John Day Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

John Day Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-9.124999999999998	-4.3		0.3187500000000001	4.6
	-7.86875	3.9		0.74375	7.9
	-6.8687499999999995	1.3		1.8625	6
	-6.0625	2.6		1.8562500000000002	6.4
	-4.75	-2.3		2.425	2.1
	-4.5062500000000005	-2.4		2.5249999999999995	2.5
	-5.40625	-5.7		2.8375	2.2
	-4.89375	-8.6		3.3375	-2
	-4.6625	-1.7		2.70625	3.7
	-5.5625	-2.3		1.875	6.8
	-5.4875	-1.7		1.3875000000000002	7.5
	-4.88125	-5.1		1.7687499999999998	5.6
	-5.5875	-0.6		2.6374999999999997	11
	-6.3125	3.2		3.21875	12.4
Jan.	-5.968749999999999	1.2		2.8062500000000004	10.3
	-4.975	-2.6		4.20625	4.6
	-4.8374999999999995	-0.8		3.56875	6.7
	-3.06875	-4.5		3.8374999999999995	4.2
	-3.90625	-6		3.593749999999999	2.8
	-4.581249999999999	-1.2		3.8000000000000003	7.7
	-4.49375	-3.9		3.3437500000000004	6.6
	-4.631249999999999	-6.4		2.85625	3.9
	-4.331250000000001	-7.9		4.18125	-0.9
	-3.9875	-13.4		4.61875	-1.6
	-3.84375	-8.3		4.362499999999999	6.5
	-4.8062499999999995	-5		4.637499999999999	6.2
	-3.4375	-2.7		4.60625	5.1
	-4.375	0		4.6312500000000005	5.7
	-4.1625000000000005	0.9		4.4624999999999995	4.6
	-4.018750000000001	0.4		5.0874999999999995	9.7
	-3.4125	-1.6		4.4	10.6
	-3.7937500000000006	1.9		3.6625	7.6
	-4.974999999999999	-0.7		3.5124999999999993	8.2
	-4.5375	-4.7		3.3812500000000005	10.9
	-3.4749999999999996	0		4.018750000000001	10.4
	-3.2750000000000004	2.9		3.60625	12.5
	-4.21875	4.1		4.28125	11.8
	-4.1125	3.2		4.4937499999999995	12.4
	-3.9375	0.4		4.3875	8
	-3.5749999999999997	0.6		4.04375	4.5
	-5.1937500000000005	-1.9		4.7437499999999995	6.2
	-4.775	-4.1		4.724999999999999	5.5
	-4.7562500000000005	-4.6		4.59375	5.9
	-3.9125000000000005	-6.4		5.393750000000001	5.9
	-2.43125	-1.5		4.075000000000001	7.1
Feb.	-2.9624999999999995	3.4		4.425	7.8
	-3.5625	-2		4.3999999999999995	4.7
	-4.46875	-3		4.76875	0.4
	-4.425	-5.3		4.19375	0.6
	-3.9250000000000003	-7.6		3.61875	1.2
	-4.45625	-7.3		3.31875	1.9
	-5.00625	-5.4		3.3	4.3
	-5.356250000000001	-0.3		2.7874999999999996	7.6
	-5.981249999999999	-0.2		2.6437500000000003	6.8
	-5.150000000000001	-3.6		4.21875	7.4
	-6.075	-2.3		4.21875	2.3
	-6.262499999999999	-7.8		3.44375	8.6
	-5.36875	-0.6		4.3125	10.1
	-4.30625	-0.4		5.5875	11.1
	-3.624999999999999	-0.6		5.3812500000000005	9.5
	-3.7312500000000006	-0.7		5.643750000000001	9.3
	-3.75	0.9		4.0125	9.5
	-4.0874999999999995	2.5		5.424999999999999	5.2
	-3.50625	-1.4		6.887499999999999	2.5
	-2.8	-0.5		6.5375	4.9
	-3.8937500000000003	-0.9		6.2749999999999995	12
	-3.1687500000000006	2.8		5.93125	12.2
	-3.4187499999999997	-0.9		6.7124999999999995	5.7
	-3.10625	-4.8		7.1499999999999995	2.6
	-2.4999999999999996	-1.7		8.125	7
	-1.6937500000000003	2.4		8.875	8.5
	-1.7812500000000004	3.1		8.71875	10.5
	-1.48125	-2.2		8.687500000000002	6.7
Mar.	-1.28125	-4		8.012500000000001	6.8
	-1.54375	4.8		8.243750000000002	17.6
	-2.2562499999999996	4.8		7.575000000000001	18.5
	-1.4999999999999998	6.7		8.606250000000001	20.6
	-2.075	5.1		9.012500000000001	20.7
	-1.50625	9.5		9.2625	22.5
	-0.53125	2.5		9.200000000000001	11.5
	-0.6812500000000001	2.8		8.5625	13.3
	-1.55	2.3		8.9625	14.3
	-0.9937499999999999	8.4		8.85625	12.7
	-1.53125	-1.3		9.0875	9.8
	-0.8750000000000001	-2.5		9.356250000000001	7.2
	-1.1687499999999997	0.3		10.225000000000001	15.1
	0.04374999999999998	5.7		9.631249999999998	16.2
	-0.55	2.3		9.381250000000001	11.4
	-0.8	-1.2		9.4875	6.7
	-0.38749999999999996	0.6		10.287500000000001	11.3
	-0.51875	2.9		10.168749999999998	12.8
	-1.0562500000000001	-0.2		9.11875	7.3
	-1.75625	-1.7		10.737499999999999	15
	-0.21249999999999988	2.4		11.168750000000001	20.8
	-0.8	4.9		8.76875	23.4
	-0.17500000000000016	6.6		10.437499999999998	24.5
	0.5875	7.4		11.83125	21.2
	-0.2812500000000001	2.7		10.65625	20.6
	-0.45625000000000004	4.6		12.7	22.2
	1.41875	7.9		13.793750000000001	18
	1.3312500000000003	5.9		11.662499999999998	16.5
	0.5187500000000002	4.4		10.775	14.5
	-0.45625000000000004	4.7		10.25	9.8
	-0.6312499999999998	1.6		10.64375	17.3
Apr.	8.326672684688674e-17	-1.4		11.781249999999998	8.2
	0.86875	-1.7		11.83125	6.7
	0.1937500000000001	-3.9		12.25625	13.3
	0.4124999999999999	0.5		13.9375	19.9
	1.34375	3.9		14.399999999999999	24.4
	1.0937499999999998	8.2		13.543749999999998	26.1
	2.3312500000000003	7.3		14.56875	22
	2.10625	4		14.118750000000002	7.1
	1.8999999999999997	1.8		14.98125	14.7
	2.7062500000000003	1.5		14.26875	11.6
	2.2125	-1.3		15.1875	13.3
	3.20625	-1.4		14.693749999999998	13
	2.4187499999999997	0.3		14.600000000000001	14.5
	1.4687500000000002	1.4		13.112500000000002	18.2
	1.9	4.3		14.412500000000001	19.9
	2.8499999999999996	5.2		14.281250000000002	22
	2.16875	5.3		14.787499999999998	25
	2.9187499999999997	9.4		16.681250000000002	27.1
	4.0375	10.1		16.7875	26.8
	3.9937499999999995	9.7		17.725	25.8
	3.73125	9.4		16.03125	24.6
	3.675	9.6		15.3625	26.3
	3.3562499999999997	9.4		15.106250000000001	25.2
	3.73125	7.2		16.58125	23.8
	4.30625	5.8		17.20625	25.7
	3.7562500000000005	8.4		17.662499999999998	30.4
	4.90625	6.5		18.6375	27.1
	5.04375	10.4		18.731249999999996	33.1
	5.1875	8.8		19.668750000000003	16.5
	6.356249999999999	3.6		19.950000000000003	21.4
May	5.7625	4.6		19.44375	19
	6.693749999999999	3.7		17.78125	10.9
	6.6499999999999995	3.1		17.7	13.1
	5.731249999999999	2.3		16.28125	18.5
	4.925000000000001	3.1		16.40625	20.2
	5.2437499999999995	-0.2		16.025000000000002	19.5
	4.8875	4.7		16.40625	22.5
	4.88125	5.8		15.693750000000001	25.5
	4.5125	9.2		16.075	27.8
	5.0125	9.6		16.781250000000004	28.1
	5.73125	10.9		18	29.5
	6.218750000000001	6.8		17.593749999999996	11.8
	5.6937500000000005	6.5		17.606250000000003	25.1
	6.5062500000000005	9.4		19.125000000000004	29.6
	7.18125	6.3		20.0125	17.5
	7	4.8		20.656250000000004	19
	8.6625	3.4		21.075000000000003	20.2
	7.7	6.3		21.374999999999996	24.5
	8.518749999999999	8.5		22.131249999999998	28.4
	9.375	12.3		22.099999999999998	24.2
	9.125	7.6		22.093749999999996	24.8
	9.274999999999999	8.4		23.256249999999994	25.1
	9.899999999999999	8		22.337500000000002	17.4
	9.856250000000001	4.7		23.187500000000004	19.4
	9.15625	8.2		22.506249999999998	21.8
	9.48125	9.2		21.44375	19.5
	8.31875	6.6		20.41875	17.3
	8.11875	3.8		21.099999999999998	26.3
	8.2	8.9		22.70625	27
	8.862499999999999	9.8		21.743750000000006	28.2
	7.5125	9.8		20.974999999999998	29.8
Jun.	7.41875	11.6		20.425	32.3
	8.39375	14.9		19.787499999999998	31.3
	7.918749999999999	11.7		20.843750000000004	28.3
	8.75625	11		20.537500000000005	31.7
	7.775	14.4		19.9	33.8
	7.568749999999999	17.3		21.056249999999995	29.6
	8.9	10		22.993750000000002	28.7
	9.7625	11.7		25.1375	30.4
	10.643749999999999	13.9		25.18124999999999	33.5
	11.0375	14.7		24.76875	31
	11.36875	14.4		24.85	29.2
	11.48125	11.8		26.56875	20.3
	12.181250000000002	9.7		27.3875	15.4
	12.600000000000003	8.2		27.181249999999995	18.4
	12.3375	8.2		26.412499999999998	23.4
	12.749999999999998	9.2		28.2625	24.9
	13.649999999999997	7.3		28.724999999999994	24.8
	13.624999999999998	8.1		27.4625	27.5
	13.21875	11.5		27.19375	30.2
	12.46875	13.8		27.400000000000002	32.8
	12.450000000000001	13.6		28.3875	32.8
	14.099999999999998	17.9		29.60625	27.1
	13.837500000000002	12.2		29.7625	35.3
	13.918750000000001	15.3		29.912499999999998	31.7
	14.681250000000002	12.7		30.1375	32.2
	15.475	13.2		29.206249999999997	34.9
	14.268750000000002	14.6		28.48125	35.7
	14.356250000000001	14.9		30.343750000000004	33.6
	14.5875	14.9		28.95	35.6
	14.325000000000001	20.8		29.981250000000003	30.9
Jul.	14.88125	17.4		29.787500000000005	34.5
	14.731250000000001	16.1		29.718750000000004	36.4
	14.618750000000004	14.3		29.8	34.5
	14.08125	13.6		29.718750000000004	33.8
	13.643750000000002	13.2		29.656250000000004	35
	14.80625	21		29.981250000000003	32.1
	14.687500000000002	16.1		30.093749999999996	35
	14.85	21.2		30.187500000000004	36.4
	14.462499999999999	17.4		31.443750000000005	37.4
	14.643749999999999	15.6		30.5	37.9
	15.274999999999999	15.5		31.13125	34.5
	15.481249999999998	13.7		30.462500000000002	33.2
	15.674999999999997	13.8		30.112499999999997	32.1
	15.325	15.1		30.99375	32.2
	15.94375	13.2		32.33125	33.4
	16.3625	14.6		32.73125	33.8
	16.900000000000002	15.3		31.6375	36.8
	16.287499999999998	17		31.21875	32.6
	16.568749999999998	10.1		31.718750000000004	26.3
	15.8125	8.5		30.91875	27.3
	15.925	10.5		29.806250000000006	31.6
	15.143749999999999	12.8		30.618750000000002	35.9
	15.69375	17.2		30.243750000000002	36.6
	15.368750000000002	17.4		29.925	36.7
	14.475000000000001	16.8		29.493750000000002	34
	14.918750000000003	15.1		29.931249999999995	33.2
	14.456249999999999	13.6		29.299999999999997	31.8
	14.39375	14.1		29.44375000000001	32.2
	14.51875	14.1		30.58125	30.3
	15.168750000000003	13.8		29.593749999999996	29.8
	14.537500000000001	16.5		29.631249999999998	28.5
Aug.	14.86875	12.7		30.08125	30.9
	15.3625		9.5	30.10625		31.9
	15.293750000000001		11.5	29.775		28
	15.506250000000003		7.9	30.250000000000004		28.2
	15.243749999999997		7	30.325000000000003		29.6
	14.83125		10.7	29.218750000000007		33.9
	13.912500000000001		13.4	28.41875		37.6
	13.462499999999997		9.9	28.000000000000004		28.8
	12.587499999999999		12.3	27.99375		27.3
	13.200000000000001		12.8	28.131249999999998		28
	12.862499999999999		13.1	27.64375		28.3
	12.49375		12.5	28.3		28.9
	12.643749999999999		13.1	28.393750000000004		28.4
	13.075000000000001		12.8	28.675000000000004		29
	12.650000000000002		12.9	28.650000000000006		28.4
	12.375		12.1	26.468750000000004		26.2
	11.01875		11.6	26.325		26.4
	11.999999999999998		11.6	26.96875		27.3
	11.45		11.8	28.26875		28.2
	12.5125		12.5	27.51875		27.4
	11.443749999999998		11.6	27.5875		28.1
	11.731250000000001		11.8	28.200000000000006		28.4
	11.756249999999998		11.8	28.4875		27.6
	12.087499999999999		11.8	28.15625		27.4
	12.36875		11.7	25.56875		25.6
	11.281249999999998		10.9	25.40625		25.4
	10.2875		10.2	25.343750000000004		25.5
	9.662500000000001		10.1	26.056250000000006		25.3
	10.518749999999999		10.4	25.275000000000002		25.9
	11.075		11.3	24.706249999999997		25.8
	9.712499999999999		10.4	24.993750000000002		25
Sep.	9.200000000000001		9.8	24.625		24.4
	9.243750000000002			22.7
	8.9625			23.106250000000006
	9.66875			21.356250000000003
	8.65625			21.0375
	8.268749999999997			21.49375
	8.6125			21.481250000000003
	7.7875			21.0625
	8.075			21.737499999999997
	8.6375			22.39375
	8.55			22.387500000000003
	8.20625			22.025000000000006
	8.58125			22.456249999999997
	7.543749999999999			21.162499999999994
	8.174999999999999			21.549999999999997
	7.76875			19.987499999999997
	6.968749999999998			19.1
	6.53125			20.156249999999996
	6.5			18.66875
	5.20625			17.693750000000005
	4.856249999999999			18.337500000000002
	4.95			18.725
	5.974999999999999			18.924999999999997
	6.19375			18.41875
	5.2749999999999995			18.231250000000003
	5.3187500000000005			17.46875
	3.96875			13.825
	3.01875			15.518749999999999
	3.7500000000000004			16.275
	4.64375			16.243750000000002
Oct.	3.7687500000000003			17.406250000000004
	4.1875			18.00625
	4.21875			16.718749999999996
	3.9875000000000007			16.275
	3.90625			16.7875
	4.0062500000000005			16.46875
	3.675			16.268749999999997
	3.962500000000001			14.925
	2.6312500000000005			13.187499999999998
	2.08125			12.956249999999999
	1.6375			12.912500000000003
	0.6812499999999998			9.768749999999999
	0.4624999999999999			11.118749999999999
	0.3749999999999999			11.293750000000001
	0.9687500000000001			11.043750000000001
	-0.10624999999999996			12.1
	1.75625			12.93125
	1.91875			11.16875
	1.4375			10.056250000000002
	0.66875			10.399999999999999
	1.94375			10.375
	1.3625000000000003			11.168750000000003
	1.34375			10.881250000000001
	-0.875			8.781250000000002
	-1.1125			9.143750000000002
	-1.0562500000000004			8.999999999999998
	-0.5687500000000001			7.743749999999999
	-0.9125			8.549999999999999
	-0.9500000000000001			8.1625
	-0.1937500000000001			8.024999999999999
	-0.8875			8.325
Nov.	-1.24375			7.5375000000000005
	-3.04375			5.999999999999999
	-2.575			6.262499999999999
	-2.40625			6.41875
	-3.1625			5.487500000000001
	-3.71875			5.26875
	-3.05625			6.106249999999999
	-2.525			6.54375
	-2.65625			6.0625
	-3.80625			4.687499999999999
	-4.19375			5.2875000000000005
	-3.25			5.23125
	-3.318749999999999			5.050000000000001
	-3.9125000000000005			4.675
	-5.768750000000001			3.306250000000001
	-5.506249999999999			4.0562499999999995
	-4.39375			4.3625
	-3.7187499999999996			3.7562500000000005
	-4.7749999999999995			3.19375
	-4.3687499999999995			3.60625
	-5.4125000000000005			3.7312499999999993
	-4.4375			3.71875
	-4.581249999999999			3.2687500000000007
	-4.6875			3.55
	-5.05			3.6187499999999995
	-3.5437499999999997			4.0375000000000005
	-3.5125			4.3500000000000005
	-3.45			3.793750000000001
	-3.9375000000000004			3.2937499999999997
	-5.943750000000001			2.40625
Dec.	-5.712499999999999			2.4875
	-5.9375			2.08125
	-6.081250000000001			2.5
	-5.3999999999999995			2.7437499999999995
	-5.831250000000002			2.025
	-5.3062499999999995			2.50625
	-4.143750000000001			3.275
	-4.84375			2.9125000000000005
	-6.218750000000001			1.9312500000000001
	-6.04375			1.90625
	-5.325000000000001			1.5312500000000002
	-6.806249999999999			0.42500000000000016
	-6.125000000000001			0.80625
	-4.9624999999999995			2.2
	-5.6312500000000005			2.3874999999999997
	-7.35625			0.9437499999999999
	-9.26			-0.6400000000000002

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

38°C

Highest Temp

24 Jul. 26

-13°C

Lowest Temp

24 Jan. 26

Seasonal Breakdown

Hottest MonthJuly33.36°C

Coldest MonthJanuary-2.76°C

Wettest MonthFebruary3.98mm

Windiest MonthMay21.46km/h

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

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Frequently Asked Questions

1. What is the hottest month in John Day historically?

July is historically John Day's hottest month, with average maximum temperatures around 30°C. During peak heatwave events, the highest recorded temperatures have reached 40°C on 2018-08-09.

2. What is the coldest month in John Day historically?

December is John Day's coldest month, with average minimum temperatures around -5°C. The all-time record low of -23°C was recorded on 2016-12-17.

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

John Day's average annual rainfall is approximately 547.8mm, based on records spanning 17 years.

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

John Day historically records approximately 150.7 rainy days per year. December has the highest number of rain days at an average of 18.7 days.

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

The all-time highest temperature recorded in John Day is 40°C on 2018-08-09.

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

The all-time lowest temperature recorded in John Day is -23°C on 2016-12-17.

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

John Day experiences its strongest winds during July. The historic gust record of 38.2 kph was recorded on 2025-12-17.

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

Usually, John Day's humidity peaks in December at around 84.9% and drops to its lowest in August at approximately 40.7%.

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John Day Historic Weather Records
Analyse hottest, coldest, windiest & wettest days