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

Seattle Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	0.5937500000000001	-1.5		6.3625	6.4
	0.9062500000000001	3.7		6.074999999999999	8.6
	1.4562499999999998	7.4		6.91875	9.5
	2.44375	6.2		6.975000000000001	9.4
	3.0437499999999997	4.2		7.0874999999999995	6.3
	2.31875	4		7.63125	6.5
	2.3000000000000003	4.3		7	5.9
	2.5500000000000003	2.1		7.262499999999998	5.5
	2.1625	4.5		7.637499999999999	8.9
	2.03125	2.9		7.075000000000001	9.9
	2.14375	6.7		7.2875	8.7
	2.0875	8.9		7.562500000000002	10.4
	1.8687499999999997	6.8		7.00625	12.9
	1.3812500000000005	6.2		7.33125	7.2
Jan.	1.60625	5		7.375000000000001	8.4
	2.1249999999999996	2		7.4125000000000005	11.3
	2.4937500000000004	2.5		7.55625	11.7
	2.83125	3.8		7.5562499999999995	11.1
	2.3000000000000003	3.6		7.6625	11.5
	2.025	0.9		8.00625	5.6
	2.4749999999999996	-1.1		7.806249999999999	5.5
	2.375	-1.7		7.8812500000000005	7.5
	2.7374999999999994	-1.2		7.931250000000001	7.8
	3.4	-0.2		8.26875	8
	2.75625	-2		8.881249999999998	5
	2.59375	-0.8		8.8125	7.2
	2.7937499999999997	4.8		8.6625	10.1
	2.98125	7		8.95625	9.4
	3.112499999999999	7.8		8.543750000000001	10.5
	3.2187499999999996	9.1		7.8187500000000005	10.3
	3.35625	8.9		7.9375	15.2
	2.5375000000000005	8.5		7.88125	9.9
	1.7687499999999998	8.7		8.0375	9.5
	2.0374999999999996	7.7		7.256249999999999	12.6
	2.8625	9.2		7.5874999999999995	16.5
	2.4249999999999994	4		7.831250000000001	17.4
	2.2375	6.2		7.937499999999999	13.6
	1.8375000000000004	8.9		8.262499999999998	10.9
	1.7875	7.3		8.10625	10.1
	1.9312499999999997	5.8		8.606250000000001	8.3
	1.49375	4.3		7.393750000000002	11.9
	1.88125	3.4		7.881249999999999	5.3
	2.7062500000000003	3.5		8.45625	5.4
	1.96875	5.7		8.318750000000001	8.1
	2.2375	4.5		8.062499999999998	7.1
Feb.	2.49375	2.6		7.80625	5.4
	2.8125	2.2		8.693749999999998	5.1
	2.5625	0.5		8.8125	5
	2.13125	0.2		7.70625	6.9
	2.1937499999999996	0		8.2	2.8
	2.24375	-0.9		8.6875	5.4
	1.73125	3.4		8.156249999999998	5.4
	1.4125	7.2		7.681249999999999	13.6
	0.75625	5.9		7.275	8
	0.9562499999999998	1.5		7.593750000000001	6.1
	1.0749999999999997	3.3		8.1375	6.6
	1.0062499999999999	5.4		8.387500000000001	7.6
	1.8250000000000006	5.3		8.93125	7.2
	2.43125	-0.7		9.225000000000001	7.8
	2.3250000000000006	2.2		9.49375	14.3
	2.8375000000000004	2.5		8.50625	14.1
	2.55625	8.7		9.14375	10.4
	2.1062499999999997	8.4		9.65625	11
	2.75625	5.7		10.1625	7.1
	2.1125	6.2		9.575000000000001	9.4
	1.8937499999999998	8.7		9.1	10.1
	2.1187500000000004	2.7		9.237499999999999	9.7
	2.04375	1.8		10.774999999999999	4.4
	2.4812499999999997	1.9		9.831249999999999	5.8
	3.0562499999999995	4.4		10.768750000000002	9.3
	3.3812499999999996	4.5		11.1	8.7
	3.8625	1.3		10.268749999999999	6.2
	4.018750000000001	2.4		9.975	6.2
Mar.	3.45625	-2.2		10.4625	9.3
	2.98125	6.8		10.718749999999998	11.4
	2.41875	9.7		11.29375	12.1
	2.6624999999999996	10.6		11.924999999999999	11.9
	2.71875	10.3		12.725000000000001	12.2
	3.4437499999999996	9.7		12.581249999999999	12.5
	4.16875	4.4		10.924999999999999	8.1
	3.6375000000000006	3		11.243749999999999	8.9
	3.6812500000000004	3.2		11.50625	9.3
	4.2124999999999995	4.8		12.081250000000002	10
	4.38125	4.1		12.281250000000002	7.7
	5.0062500000000005	2.9		12.443750000000001	10.2
	4.875	1.7		13.125	11.3
	5.293749999999999	4.8		11.756249999999998	9.8
	4.793749999999999	2.1		11.86875	6.8
	4.7250000000000005	1.2		12.381250000000001	9.1
	4.5062500000000005	3.3		13.437500000000002	13.4
	4.4437500000000005	5.6		11.975	12.4
	4.2562500000000005	4		12.368749999999999	11.2
	4.1937500000000005	4.3		12.58125	16.9
	3.8874999999999993	4.2		11.749999999999998	20.1
	4.281249999999999	7.3		11.762500000000001	22.4
	4.8187500000000005	7.3		12.174999999999997	21.5
	4.93125	6.8		12.775	13.3
	4.8	2.9		12.9	15.5
	4.23125	4.3		13.425	21.6
	5.1312500000000005	6.6		12.687499999999998	22.3
	4.30625	8.2		12.749999999999998	15
	4.46875	5.7		12.025	14.5
	4.125	6.9		12.212499999999997	13.9
	3.8249999999999997	6.2		13.443750000000001	9.9
Apr.	4.1625	2.8		14.162500000000001	7.9
	5.06875	1.8		13.74375	13.1
	5.081250000000001	4.6		14.931249999999997	12.7
	5.175000000000001	5.7		15.393749999999999	20.3
	5.6125	8		14.95	24.8
	5.7625	10.1		15.206249999999999	25.5
	5.65625	10.4		15.25	17
	5.499999999999999	8.6		14.675	12.7
	5.643749999999999	7		15.087499999999999	14
	6.443750000000001	5.1		15.73125	20.1
	6.4125000000000005	4.6		14.956249999999999	20.7
	6.6	4.8		15.55625	20
	6.33125	7.5		13.931250000000002	16.1
	5.918749999999999	7.5		14.224999999999998	14.8
	6.243750000000001	6.4		16.193749999999998	21.9
	6.925000000000001	8		15.487499999999999	26.6
	6.0249999999999995	10.1		16.125	24.4
	6.6375	11.3		16.59375	26.5
	7.1312500000000005	12		16.84375	30.3
	7.11875	12.3		16.3625	27.6
	6.8	12.8		15.056250000000002	22.9
	7.23125	11.1		17.2125	19
	7.25	10.8		16.7375	19.3
	7	9		17.6375	20.6
	7.5375	9.5		18.4875	23
	7.968749999999998	10.4		18.66875	19.5
	8.09375	9.8		19.250000000000004	24.5
	8.15625	9.9		18.887500000000003	30
	8.31875	10.5		19.41875	18.2
	9.256249999999998	9.4		20.062500000000004	17.9
May	9.625	7.6		19.3	12.8
	9.4	6.8		18.65625	13.4
	9.03125	4.9		17.975	17.8
	8.65	7.6		18.2875	21
	8.4375	9.4		17.93125	17.8
	8.1875	8.2		18.0625	19.3
	8.337499999999999	10.2		17.425	25.5
	8.737499999999999	11.1		17.6125	25.8
	8.874999999999998	11.6		17.33125	23.4
	8.6875	12.1		17.456250000000004	24.8
	8.943749999999998	11.2		17.90625	19.9
	9.325000000000001	8.2		18.53125	16.3
	9.381250000000001	9.8		18.86875	25.4
	9.481250000000001	13.6		19.2625	29.4
	9.487500000000002	10.2		18.125	12.8
	8.73125	8.2		18.35625	18.5
	9.51875	7.6		19.66875	22.2
	9.725	8.9		19.85	27.2
	10.6625	11.7		20.375	32.1
	9.9	14.4		19.306249999999995	24.3
	9.7	12.6		19.9125	22.2
	10.043750000000001	10.7		20.325	17.1
	10.012499999999998	8.6		21.36875	16.6
	10.1125	7.6		21.193749999999994	19.9
	10.76875	8.9		21.16875	21.1
	10.69375	11		19.69375	16.5
	10.143749999999999	10.2		19.275000000000002	18.3
	10.112499999999999	8.9		20.13125	22.4
	10.4125	11.5		20.400000000000002	25.6
	10.61875	13		18.437499999999996	31
	9.962499999999999	15.3		18.343749999999996	34.4
Jun.	9.418750000000001	17.1		19.11875	35.1
	9.612500000000002	15		20.025000000000002	23.2
	10.518749999999999	12.4		20.262500000000003	23.4
	10.793750000000001	12.2		19.84375	28
	10.475	15		19.86875	30.3
	10.575000000000001	13		19.98125	25.3
	10.593749999999996	11.2		22.10625	27.6
	11.606250000000001	13.8		22.362499999999997	31
	11.475	17.2		22.8375	34.8
	11.812499999999998	17.1		22.224999999999998	33.5
	11.856250000000003	13.4		22.868750000000002	21.4
	12.262500000000001	13.1		23.724999999999998	18.3
	12.718749999999998	11.5		23.293750000000003	19.4
	13.1125	12.3		23.025000000000002	19.9
	12.956249999999999	12.1		23.51875	19.7
	12.824999999999998	12.6		24.38125	18.7
	13.3375	9.9		24.293750000000006	19.4
	13.093750000000002	11.5		23.112500000000004	22.9
	12.812500000000002	14.9		22.474999999999998	24.1
	12.05625	13.3		23.40625	23
	12.38125	11.5		24.237500000000004	25.6
	13.149999999999999	12.6		25.299999999999997	30.9
	12.993749999999999	13.9		24.893749999999997	28.2
	13.456249999999999	14.3		25.39375	23.6
	13.950000000000001	13.5		25.762499999999996	28.2
	14.05625	14.5		23.9125	28.3
	13.38125	13.9		25.106250000000003	23.8
	13.725000000000001	13.2		25.25625	24.3
	13.88125	11		25.112499999999997	28.5
	13.35	12.4		25.406250000000004	32.2
Jul.	13.775	14.7		26.13125	31.3
	14.293750000000001	15.4		25.46875	25.2
	13.93125	13.4		24.768749999999997	25
	13.61875	13.7		24.81875	26
	13.24375	12.6		24.9375	27.7
	13.68125	14.8		24.931250000000002	32.7
	13.775	16		25.237499999999997	34.4
	13.543750000000001	17.7		25.231250000000003	38.1
	13.43125	15.9		24.506249999999994	27
	13.5875	14.7		24.575000000000003	29.7
	13.55	15.1		25.006250000000005	23.3
	13.9625	16.3		26.325	26
	13.725000000000001	14.4		26.068750000000005	28.5
	14.0875	16.2		27.21875	24.3
	14.6875	13.4		27.4625	27.4
	15.225	11.8		27.76875	28.1
	15.35625	13.2		26.687500000000004	30.4
	15.04375	15.1		26.475	25.5
	14.7875	12.6		26.049999999999997	23.5
	14.818750000000003	10.9		25.78125	27.9
	14.85625	13.1		26.775000000000006	29.7
	15.000000000000002	13.5		27.30625	32.1
	15.43125	15.1		26.8875	32.6
	14.437499999999998	15.3		25.262499999999996	32.7
	14.3875	15.3		25.037500000000005	31
	14.593749999999996	14.5		25.243750000000002	28.3
	14.887499999999996	12.8		25.587499999999995	25.3
	15.000000000000002	13.5		26.09375	28
	14.562500000000002	15.3		27	28.4
	14.756250000000001	14.6		26.175	28.4
	15.106250000000001	15.1		25.975000000000005	28.7
Aug.	15.200000000000003		14.7	26.0375		28.8
	14.91875		12.8	26.843750000000004		28.3
	15.05625		12.9	27.225		29.2
	14.987500000000002		13.1	27		26.8
	14.999999999999996		12.4	25.775		27.1
	14.00625		13	25.48125		26.7
	14.087499999999997		14	25.1625		27.2
	13.95625		13.2	24.375000000000004		21.3
	13.56875		13	24.312500000000004		24
	13.337500000000002		13.2	24.30625		24.6
	13.618749999999999		13.7	25.481250000000003		25.9
	13.7875		13.6	25.13125		25.1
	14.13125		14	25.275		24.7
	13.700000000000001		13.6	24.40625		24.7
	13.63125		13.5	23.15625		23.4
	13.23125		13.2	22.60625		22.7
	13.1		13.3	21.775		22
	13.05		13	23.21875		23.3
	12.543749999999998		12.6	24.218749999999996		24
	13.15		13	23.906249999999996		23.8
	12.56875		12.4	23.60625		23.8
	13.16875		13.3	24.8875		24.4
	13.581250000000002		13.7	24.631249999999998		24.4
	13.399999999999999		13.3	24.006249999999998		23.7
	13.6		13.1	23.575000000000003		23.5
	13.181249999999999		12.8	23.29375		22.5
	12.799999999999997		12.9	23.25625		23.3
	12.787500000000003		12.9	23.675000000000004		23.3
	12.925		12.8	22.4125		23.1
	11.950000000000003		12	21.768749999999997		22.5
	11.450000000000001		11.9	22.18125		22.2
Sep.	11.937499999999998			21.606250000000003
	11.33125			21.8625
	11.987499999999999			20.3
	11.8125			19.3375
	11.59375			20.537499999999998
	11.649999999999999			20.4125
	11.25625			21.29375
	10.981250000000001			20.181250000000002
	11.45			19.493749999999995
	11.3375			20.11875
	11.218749999999998			19.74375
	11.118750000000004			18.95
	10.875			19.80625
	10.749999999999998			19.281250000000004
	10.212499999999999			18.90625
	9.81875			18.23125
	9.53125			18.806250000000006
	9.5375			18.08125
	9.49375			17.80625
	9.424999999999999			18.268749999999997
	9.45			17.64375
	9.55625			19.243750000000002
	9.81875			18.562499999999996
	9.799999999999999			17.974999999999998
	9.8375			16.974999999999998
	9.162500000000001			16.537499999999994
	8.325000000000001			15.48125
	7.543749999999999			15.662500000000001
	7.59375			16.63125
	8.39375			16.081250000000004
Oct.	8.768749999999999			16.5625
	8.862499999999999			16.9875
	8.299999999999999			15.768749999999999
	8.450000000000001			15.6125
	8.78125			16.1375
	8.725			15.324999999999998
	8.525			15.18125
	7.9312499999999995			14.5125
	7.0625			14.087500000000002
	7.343750000000001			13.4625
	6.8812500000000005			12.612499999999999
	6.0874999999999995			12.181249999999999
	6.487500000000001			12.7875
	6.9937499999999995			12.768750000000002
	6.88125			13.518749999999999
	6.6499999999999995			13.29375
	6.65			12.700000000000001
	6.518750000000001			12.025
	6.143749999999999			12.562499999999998
	6.268750000000001			11.899999999999999
	6.862500000000001			12.6
	6.75625			12.30625
	6.05			11.40625
	5.456250000000001			10.887499999999998
	5.2437499999999995			11.349999999999998
	5.09375			10.731250000000001
	4.98125			10.599999999999998
	4.68125			10.7
	5.29375			10.725
	6.043749999999999			10.518749999999999
	5.9125000000000005			10.862499999999999
Nov.	5.05			10.325
	4.1625			9.637500000000001
	3.7499999999999996			9.575000000000001
	3.91875			9.424999999999999
	3.425			8.881250000000001
	2.81875			8.799999999999999
	3.64375			9.25625
	3.9687500000000004			9.15
	2.9687499999999996			8.631250000000001
	2.8187499999999996			7.79375
	3.5500000000000003			8.381250000000001
	4.5			9.206249999999999
	4.08125			9.3375
	2.9375			8.2
	2.0625			7.3187500000000005
	2.3625			7.24375
	2.8874999999999997			7.981249999999999
	2.45			7.30625
	2.3			7.2562500000000005
	2.2125			7.362500000000002
	2.0999999999999996			7.4937499999999995
	2.30625			7.45625
	3.13125			7.90625
	3.1624999999999996			8.075
	2.96875			7.406249999999999
	3.3125			7.606249999999999
	3.3187499999999996			7.643749999999999
	3.4937500000000004			7.6000000000000005
	2.95625			7.4750000000000005
	2.6624999999999996			7.35625
Dec.	2.625			7.031250000000001
	2.43125			6.9437500000000005
	2.60625			7.137499999999999
	2.8437499999999996			7.156250000000002
	2.7687500000000003			6.706249999999999
	2.7624999999999997			6.937500000000002
	2.7375			6.875
	2.3000000000000003			6.55
	2.025			6.862499999999999
	2.1687499999999997			6.35625
	1.7437500000000001			6.0874999999999995
	1.2249999999999999			5.518750000000001
	1.8437499999999998			5.843750000000001
	2.4375000000000004			6.49375
	1.9874999999999998			6.918749999999999
	1.4749999999999999			5.93125
	0.6			5.806666666666667

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

38°C

Highest Temp

22 Jul. 26

-2°C

Lowest Temp

15 Mar. 26

Seasonal Breakdown

Hottest MonthAugust28.72°C

Coldest MonthJanuary3.7°C

Wettest MonthMarch7.77mm

Windiest MonthJune14.63km/h

Seattle 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 Seattle historically?

August is historically Seattle's hottest month, with average maximum temperatures around 26°C. During peak heatwave events, the highest recorded temperatures have reached 41°C on 2021-06-28.

2. What is the coldest month in Seattle historically?

February is Seattle's coldest month, with average minimum temperatures around 2°C. The all-time record low of -11°C was recorded on 2010-11-24.

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

Seattle's average annual rainfall is approximately 1271.8mm, based on records spanning 17 years.

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

Seattle historically records approximately 197.4 rainy days per year. November has the highest number of rain days at an average of 20.7 days.

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

The all-time highest temperature recorded in Seattle is 41°C on 2021-06-28.

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

The all-time lowest temperature recorded in Seattle is -11°C on 2010-11-24.

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

Seattle experiences its strongest winds during November. The historic gust record of 46.4 kph was recorded on 2015-11-17.

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

Usually, Seattle's humidity peaks in December at around 85.3% and drops to its lowest in July at approximately 66.8%.

Recent Blogs On Weather

See all blogs

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

Seattle 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

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

Seattle 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

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