Kennewick Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Kennewick Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-2.88125	-4.8		2.4	0.5
	-3.2375	0.3		1.9125	6.2
	-2.4625	0.4		3.26875	3.4
	-1.7437499999999997	2.3		4.456250000000001	9.1
	-1.1437499999999998	1.2		4.58125	8.7
	-1.2125	0.4		5.3625	5.9
	-0.6812500000000002	2.1		5.3	8
	-0.9375	-0.1		4.5625	6.9
	-0.6062500000000001	1.5		4.83125	8.2
	-0.9249999999999999	-0.8		5.175	1.4
	-1.2625000000000002	-2.2		4.687500000000001	3.7
	-1.85625	0.2		4.75	11.3
	-2.3187499999999996	0.1		4.19375	5.2
	-2.06875	2.7		4.44375	5.1
Jan.	-2.24375	-0.7		3.7625	2
	-2.0625	0.6		4.30625	3
	-1.4125	-1.7		4.6937500000000005	3.7
	-0.8875	0.4		5.625	2.2
	-1.3125	-3.4		5.05	2.9
	-1.4562499999999998	-4.2		5	3.4
	-1.1312499999999999	-3.4		4.968750000000001	-0.3
	-1.15	-1.1		5.106249999999998	0.2
	-1.38125	-2.1		5.3500000000000005	2.9
	-0.36250000000000004	-5.2		6.918749999999999	1.8
	-0.21875	-6		6.6125	2.6
	-0.84375	-2.8		6.2375	2.1
	-0.3375	-3.9		6.6625	1.7
	-0.44999999999999996	-1.6		6.5875	6.6
	0.07500000000000007	2.2		7.443749999999999	9.1
	-0.11874999999999997	2.6		6.81875	7.7
	0.08749999999999997	1.1		7.425000000000001	4.8
	-0.4000000000000001	2.4		6.94375	5.3
	-0.7687499999999999	0.3		6.387499999999999	4.4
	-0.7500000000000003	0.9		6.125	4.3
	-0.5375000000000001	3.6		7.21875	4.6
	0.7250000000000001	2.2		7.9375	3.9
	0.8624999999999998	1.7		8.075	4.1
	0.59375	1.3		7.9375	4.3
	0.04999999999999999	5.9		7.28125	9.9
	-0.7437499999999999	2.8		6.5874999999999995	12.6
	-1.04375	-2		7.606250000000001	1.6
	-0.33125000000000004	0.6		7.612500000000002	5.5
	-0.09375000000000006	0.3		8.19375	5.6
	0.018750000000000044	-0.7		7.7250000000000005	4.6
	0.15	2.5		8.0125	7.2
Feb.	0.28124999999999983	3.5		7.524999999999999	7.8
	0.8312499999999998	1.9		8.85	7.2
	0.76875	-0.9		8.70625	7.6
	-0.13125000000000006	0.7		7.831249999999999	7
	-1.0408340855860843e-17	-2.3		8.1125	4.7
	0.29375000000000007	-2.5		8.6125	8.9
	0.23124999999999984	-2.3		7.95	8.5
	-0.6375	-1.5		8.20625	7.7
	-0.8125	0.8		7.55625	11.6
	-0.7937499999999998	3.3		7.2125	6
	-0.7937500000000002	1.4		7.75	9.4
	-1.0687499999999996	0.1		7.9125000000000005	12.6
	0.2	0.1		9.700000000000003	13.2
	1.0562500000000001	-1.4		9.806249999999999	8.2
	1.65625	1.3		10.4	10.5
	1.7687500000000003	2.1		10.58125	16.5
	1.13125	3.5		10.787500000000001	14.3
	1.3875000000000002	6.9		11.274999999999999	12.6
	1.4437499999999999	3		11.743749999999999	11.3
	1.7437500000000001	4.1		11.437499999999998	12.1
	1.78125	7.3		11.425	16.1
	1.7187499999999998	5.8		11.5375	14.2
	1.6312499999999999	-0.1		12.162500000000001	8.4
	2.0875000000000004	1.1		11.924999999999997	10
	2.7625	4.8		12.756250000000001	12.5
	3.7437499999999995	7.8		13.981250000000001	14.4
	3.7375	2		13.968750000000002	4.4
	3.4687499999999996	2.5		13.656249999999998	9.4
Mar.	3.475	-1.4		12.718749999999998	9.8
	3.3062500000000004	6.5		12.975000000000001	16.2
	2.5000000000000004	11.2		12.58125	18
	2.7125000000000004	8		14.1125	20.2
	2.8812499999999996	10.8		14.225	20.4
	3.3937500000000007	12.7		15.05	22.4
	4.699999999999999	7.7		14.19375	14.5
	3.81875	1.4		14.1125	11.6
	4.074999999999999	4.5		14.3875	15.6
	4.825	9.5		14.31875	13.6
	4.58125	5.6		14.624999999999996	13.1
	4.40625	-0.3		14.856249999999998	13.7
	4.9312499999999995	0		15.893749999999999	14.5
	6.03125	5.7		15.093749999999998	18.1
	5.293749999999999	4.6		15.650000000000004	11.2
	5.193750000000001	1.1		16.34375	11.7
	5.043749999999999	0.6		15.875	12.1
	4.90625	3.5		16.775	16.1
	5.000000000000001	4.7		15.568749999999998	15.3
	4.793749999999999	3		16.16875	20.8
	5.2625	2.8		15.831249999999999	24.4
	5.1312500000000005	6.8		14.862499999999997	26.6
	5.26875	6.5		16.24375	27.6
	5.706249999999998	12.9		17.41875	26.9
	5.499999999999999	4.6		16.7375	20.2
	4.974999999999999	2.9		17.237499999999997	25.3
	6.20625	6.5		18.0625	26
	6.168749999999999	9.5		17.34375	24.7
	5.6499999999999995	9		16.362499999999997	22.8
	5.518749999999999	12.7		15.66875	21.4
	4.41875	7.5		16.681250000000002	18.5
Apr.	6.01875	6.4		17.531249999999996	15.2
	6.1187499999999995	4.2		17.6625	15.2
	5.843749999999998	3.7		17.51875	19.9
	5.85625	2.6		19.081249999999997	25.1
	6.699999999999999	6.2		19.68125	27.8
	6.81875	7.7		19.6125	27.5
	7.7125	8.5		19.981249999999996	27.8
	7.362500000000001	9		19.5875	17
	7.44375	7.4		20.025	21.6
	8.11875	4.8		20.274999999999995	19.3
	8.1625	0.4		20.237499999999997	20.3
	8.06875	0.9		21.275	21.2
	8.262500000000001	4.7		20.35625	24.2
	7.9875	8.3		19.51875	24.4
	8.081249999999999	8.1		20.362499999999997	25.8
	8.412500000000001	6.5		20.506249999999998	27.4
	8.3125	6		21.050000000000004	29.2
	8.525	11.2		21.6625	32.5
	9.6	11		22.743750000000006	32.1
	9.593750000000002	10.1		23.243750000000002	32.9
	9.875	13.4		21.75625	30.9
	9.856250000000001	13.4		21.75	32.6
	9.568750000000001	12.8		22.01875	29.3
	9.325000000000001	12		22.7625	29.2
	9.775	11.2		23.550000000000004	28.9
	9.993749999999999	9		23.9375	30
	11.03125	10.9		24.699999999999996	28
	11.206249999999999	9.1		24.45625	32.9
	11.15625	14.2		24.60625	21.7
	11.487500000000002	10.6		25.593750000000004	23.4
May	11.80625	8.7		25.368750000000002	21.5
	13.012500000000003	9		24.89375	17.9
	12.006250000000001	8.1		24.799999999999997	23.9
	11.55625	8.3		22.85625	24.6
	10.843750000000002	11.3		23.712499999999995	27.2
	11.174999999999999	9.9		23.4	24.5
	10.912500000000001	12.7		23.237499999999997	28.9
	11.518749999999999	8.2		22.925000000000004	31.2
	11.312499999999998	11.4		23.59375	32.9
	11.26875	14.2		23.36875	32.5
	11.362499999999999	15.4		24.268749999999997	32.7
	12.318750000000001	11.8		24.15	24.7
	11.931249999999999	11.9		24.218750000000007	30.3
	12.487499999999999	15.6		25.6125	35.3
	12.975	16		25.7375	27.6
	12.625	11.5		26.562499999999996	26.9
	13.124999999999996	11.1		26.968749999999993	27.9
	13.462499999999999	11.2		26.81875	30.5
	14.16875	10.9		28.1875	30.2
	14.75	12.6		27.30625	31
	13.7375	14		26.881249999999998	28.5
	14.15	12.5		27.712499999999995	27.4
	14.525	12.2		27.8875	22.5
	14.96875	9.4		28.9625	25.9
	14.8125	9.4		28.381249999999998	27.5
	14.674999999999999	13.7		27.2625	25
	14.093750000000002	11.6		26.55	27
	13.868749999999999	8.9		27.481249999999996	29.2
	14.04375	13.5		28.212500000000002	31.7
	14.462500000000002	12.6		27.718749999999996	32.6
	13.006249999999998	12.7		26.25625	34.8
Jun.	12.700000000000003	12.5		25.843749999999996	38.1
	13.51875	19.3		26.64375	36.9
	13.937499999999996	17.5		27.018749999999997	33.7
	14.425	14.3		26.69375	33.8
	13.65	14.1		26.41875	36.2
	13.781249999999998	21.5		26.312499999999996	34.3
	14.199999999999998	16.8		28.237499999999997	33.3
	15.056249999999999	13.6		30.5625	35
	16.04375	13.6		30.962500000000002	36.5
	16.5	13.9		30.468749999999996	37.4
	16.44375	18.9		30.45625	34.9
	16.5	16.3		31.725	27.2
	17.456250000000004	15		32.637499999999996	23.4
	17.63125	14.4		32.287499999999994	27.1
	17.481249999999996	15.9		32.1125	30
	18.20625	14.6		33.38125	29.6
	18.29375	12.6		33.88125000000001	28.9
	18.3625	13.4		32.8375	30.5
	17.593750000000004	15.5		32.2125	33.6
	17.200000000000003	14.6		31.66875	35.8
	17.575	16.9		33.2375	35
	18.65625	13.1		34.268750000000004	35.7
	19.087499999999995	13.9		34.6	39.6
	19.225	21.4		34.80625	36.8
	19.9625	17.1		35.481249999999996	36.6
	20.025	18.1		34.3125	36.7
	18.912499999999998	19.8		33.7375	35.4
	18.756249999999994	19.6		34.61875	33.4
	19.268750000000004	13.6		34.09375	36.7
	18.6875	19		34.22500000000001	38.1
Jul.	19.712500000000002	22.3		34.53125000000001	39.7
	19.212500000000002	23.5		34.28125	39.8
	18.656249999999996	18.1		33.7125	36
	18.84375	17		34.025	35.5
	18.9375	15.8		34.0875	36.1
	19.325	16.5		33.8375	33.2
	18.625	16.5		33.63125	38.8
	18.712500000000002	17.5		34.2625	41.1
	18.81875	23.1		34.768750000000004	39.4
	18.462500000000002	19.2		33.95	39.9
	18.793749999999996	21		34.4625	37
	18.781249999999996	15.8		34.4125	34.8
	19.806250000000002	15.5		34.637499999999996	35.5
	19.881249999999998	17.5		35.537499999999994	35.4
	20.393750000000004	15.9		36.8875	34.4
	21.393749999999994	15.8		37.762499999999996	35.5
	21.61875	15.5		36.93125	36.6
	20.83125	19.7		34.88125	35.7
	20.799999999999997	13.2		36.237500000000004	30
	20.187500000000004	13.4		35.324999999999996	29.9
	19.962500000000002	12.1		34.3375	32.2
	20.106250000000003	11.2		35.056250000000006	34.9
	20.093749999999996	12.2		34.64999999999999	37.7
	20.356250000000003	14.6		34.3125	40.3
	19.012499999999996	17.9		34.3375	39.1
	19.281249999999996	17.3		34.4375	36.9
	19.59375	16.4		34.28750000000001	36
	19.3625	16.6		34.56875	35.6
	19.64375	17.9		34.993750000000006	35.1
	19.9875	18.8		34.2125	32.8
	18.925	17.9		33.6	33.9
Aug.	19.099999999999998		19	34.14375		33.4
	19.849999999999998		19.7	34.28125000000001		36.5
	19.443749999999998		19.2	34.425		35.8
	19.73125		18.2	34.9125		34.3
	19.812500000000004		15.3	34.67499999999999		34.3
	18.71875		17.2	32.9		37.1
	18.30625		19.6	32.4375		39.8
	18.05		18.9	31.993750000000002		33
	17.262499999999996		17.1	30.999999999999996		30.9
	17.175000000000004		16.8	31.462499999999995		31.4
	17.0625		17.2	31.324999999999996		31.7
	17.400000000000002		17.6	32.068749999999994		32.4
	17.89375		17.7	32.05625		32
	17.5		17.3	32.58125		32.5
	17.41875		17.8	31.725		31.7
	17.368750000000002		17.3	30.61874999999999		30.3
	16.393750000000004		16.7	29.275		30
	16.43125		16.6	30.987499999999997		31.1
	16.73125		16.9	31.70625		31.8
	17.29375		17	31.26875		30.6
	16.231250000000003		16.2	30.7		31.1
	16.14375		16.5	31.2125		31.2
	16.487499999999997		16.4	30.66875		29.9
	16.7125		16.5	31.15		30.7
	16.356249999999996		15.7	29.89375		29.7
	15.918750000000003		15.5	29.449999999999996		28.9
	15.643749999999997		15.5	28.8375		29
	14.843749999999998		15	29.05625		28.3
	15.16875		14.9	29.062499999999996		29.5
	15.1625		15	28.56875		28.9
	14.25		14.9	27.556250000000002		27.8
Sep.	13.9875			27.581249999999997
	13.45			26.76875
	13.575000000000001			26.4
	14.125			24.893750000000004
	13			25.843750000000007
	13.356250000000001			25.6375
	12.881250000000001			24.656250000000004
	12.299999999999999			25.168749999999996
	11.962499999999999			25.15625
	13.025			25.175000000000004
	12.89375			25.512499999999996
	12.86875			25.231250000000003
	12.281249999999998			24.550000000000004
	12.375			24.275000000000006
	11.825000000000001			23.11875
	11.58125			23.45
	10.956249999999999			22.925
	10.3875			22.762500000000003
	10.737499999999999			22.4875
	10.09375			21.981249999999996
	9.6625			21.718750000000004
	9.600000000000001			22.018749999999997
	10.1125			22.475
	10.35			21.04375
	9.86875			21.368750000000002
	10.524999999999999			21.4375
	8.737499999999999			18.8375
	7.643750000000001			18.26875
	8.05625			18.5375
	8.1625			18.80625
Oct.	8.749999999999998			19.337500000000002
	8.1125			19.41875
	8.581249999999999			19.60625
	8.1625			18.45625
	7.90625			18.712500000000006
	8.656250000000002			19.425
	7.837499999999999			18.237499999999997
	8.46875			17.625
	6.8125			15.9625
	6.562500000000001			14.843749999999998
	5.50625			15.262499999999998
	5.3999999999999995			13.93125
	5.36875			13.91875
	5.4875			13.599999999999998
	5.53125			14.88125
	4.79375			14.293749999999998
	5.9375			15.300000000000002
	5.8375			14.2625
	5.2437499999999995			13.987499999999999
	5.375			13.456249999999999
	5.606249999999999			14.575000000000001
	5.9125000000000005			14.018749999999999
	4.8687499999999995			13.893749999999997
	3.6812500000000004			11.5125
	3.11875			11.231249999999998
	3.06875			10.956249999999999
	2.6437500000000003			9.9125
	2.24375			9.387500000000001
	2.4187499999999997			9.806250000000002
	4.012499999999999			11.181250000000002
	3.9312499999999995			11.35
Nov.	3.2562500000000005			11.343750000000002
	2.5749999999999997			9.674999999999999
	2.53125			9.78125
	2.0062500000000005			8.34375
	1.4187499999999997			8.543750000000001
	0.7375			7.575
	0.11875000000000001			6.675000000000002
	1.125			8.325000000000001
	1.04375			8.71875
	-0.04999999999999985			7.1625
	0.425			7.375
	0.89375			7.618750000000001
	1.2375			8.83125
	0.4437500000000001			6.700000000000001
	-1.6249999999999996			5.074999999999999
	-1.4124999999999999			4.906250000000001
	-0.4062499999999999			6.562500000000001
	-0.6687500000000001			5.93125
	-0.8499999999999999			5.268749999999999
	-0.5687500000000001			5.39375
	-0.6687499999999996			5.1625
	-0.7250000000000001			5.237500000000001
	-1.1875			4.1875
	-1.2687499999999998			5.1187499999999995
	-1.0312500000000004			5.475
	0			6.018750000000001
	0.10625000000000007			5.193749999999999
	-0.012499999999999872			6.356249999999999
	-0.55			5.824999999999999
	-1.0562500000000004			5.356249999999999
Dec.	-1.25625			4.8875
	-1.675			4.7
	-1.5437500000000002			4.275
	-1.0999999999999999			5.70625
	-1.13125			5.612499999999999
	-0.7874999999999998			6.0125
	0.04374999999999982			6.2
	-0.9687500000000002			5.156249999999999
	-1.2812500000000002			4.825
	-1.58125			3.9687500000000004
	-1.8999999999999997			3.5812500000000003
	-2.15625			2.95
	-1.66875			4.13125
	-0.3999999999999999			5.025
	-1.0875			4.8875
	-2.29375			3.7125
	-3.1133333333333324			2.9666666666666663

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

41°C

Highest Temp

22 Jul. 26

-6°C

Lowest Temp

25 Jan. 26

Seasonal Breakdown

Hottest MonthJuly36.18°C

Coldest MonthJanuary-0.84°C

Wettest MonthFebruary2.46mm

Windiest MonthJune25.98km/h

Kennewick Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Kennewick historically?

July is historically Kennewick's hottest month, with average maximum temperatures around 35°C. During peak heatwave events, the highest recorded temperatures have reached 48°C on 2021-06-29.

2. What is the coldest month in Kennewick historically?

January is Kennewick's coldest month, with average minimum temperatures around -1°C. The all-time record low of -19°C was recorded on 2017-01-13.

3. What is the average annual rainfall in Kennewick over the past 17 years?

Kennewick's average annual rainfall is approximately 261.9mm, based on records spanning 17 years.

4. How many rainy days does Kennewick experience on average per year?

Kennewick historically records approximately 112.1 rainy days per year. December has the highest number of rain days at an average of 14.7 days.

5. What is the all-time highest temperature ever recorded in Kennewick?

The all-time highest temperature recorded in Kennewick is 48°C on 2021-06-29.

6. What is the all-time lowest temperature ever recorded in Kennewick?

The all-time lowest temperature recorded in Kennewick is -19°C on 2017-01-13.

7. What is the windiest time of year in Kennewick historically?

Kennewick experiences its strongest winds during April. The historic gust record of 54 kph was recorded on 2025-12-17.

8. What is the highest and lowest humidity in Kennewick during a year?

Usually, Kennewick's humidity peaks in January at around 79.3% and drops to its lowest in July at approximately 33.7%.

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Kennewick Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Kennewick Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

Recent Blogs On Weather

World Top 10 Hottest Cities Are All in India Again - May 2026

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

World Top Hottest Cities Belong to India - April 2026

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Kennewick Historic Weather RecordsAnalyse hottest, coldest, windiest & wettest days

Kennewick Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

Recent Blogs On Weather

World Top 10 Hottest Cities Are All in India Again - May 2026

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

World Top Hottest Cities Belong to India - April 2026

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Kennewick Historic Weather Records
Analyse hottest, coldest, windiest & wettest days