Coos Bay Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Coos Bay Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	4.324999999999999	6.9		10.556250000000002	10.8
	4.875	11.2		10.1875	14.1
	5.762499999999999	9.9		10.75	12
	6.218749999999999	8.4		10.212499999999999	10.8
	6.44375	7.4		10.6375	8.5
	6.0625	6.4		10.362500000000004	8.2
	6.21875	7.7		10.98125	9.2
	6.48125	6.3		11.1875	7.4
	6.1499999999999995	6.4		10.99375	12.5
	5.73125	7		10.71875	10.7
	6.387500000000001	7.4		10.5875	11
	6.95	5.6		10.7625	9.8
	6.14375	2.6		11.4125	8.6
	5.6625	5		11.68125	9
Jan.	5.59375	2.6		11.481250000000001	12
	5.8374999999999995	7.9		11.05625	16.5
	6.70625	7		11.3125	12.6
	6.2875	4.8		11.006249999999998	9.5
	6.2749999999999995	3.5		11.0125	18
	5.862499999999999	5.8		11.337499999999999	11.1
	5.9125000000000005	5.9		11.075000000000001	9.9
	5.800000000000001	5.1		11.19375	10.7
	5.7125	6.1		11.51875	12
	5.79375	2.1		11.59375	11.8
	6.36875	5.6		11.91875	11.2
	5.65625	8.9		12.03125	12.2
	5.956250000000001	9.4		12.08125	11.3
	6.925	10.1		12.649999999999997	12.7
	6.3	10.7		11.56875	12.9
	5.66875	12.5		11.131250000000001	14.6
	5.4750000000000005	11.1		10.993750000000002	14.9
	5.625	9.1		10.375	11.8
	5.3374999999999995	9.7		10.662499999999998	12.9
	5.55	9.1		9.9875	14.7
	5.2875000000000005	9.8		10.275	14.1
	6.05	7.7		10.71875	15.4
	5.7437499999999995	8.3		10.8	11.9
	5.70625	9.8		10.912500000000001	13.1
	6.0375	9.7		11.48125	11.7
	5.56875	8.1		11.325000000000001	10.1
	5.20625	6.1		11.131250000000001	13.5
	5.84375	6.7		11.231250000000001	8
	5.949999999999999	6.2		11.49375	7.9
	6.05625	4.7		11.043750000000001	8.6
	6.0875	7.2		10.549999999999999	8.3
Feb.	5.7124999999999995	5.8		11.275	7.5
	5.80625	5.5		10.5	9.4
	5.84375	4.5		11.193750000000001	5.6
	5.03125	3.7		10.04375	6.8
	4.7875000000000005	3.7		10.099999999999998	5.9
	5.1937500000000005	4.6		10.1875	7.4
	4.8	6.6		9.818749999999998	13.5
	3.987500000000001	9.2		10.375000000000002	12.6
	3.8125	10.8		9.899999999999999	11.8
	4.0874999999999995	7.7		9.9375	11.2
	3.7749999999999995	6.8		10.56875	9.9
	4.30625	3.1		9.74375	9.1
	4.71875	7.8		10.443749999999998	14.9
	5.60625	7		10.475	12
	4.9437500000000005	10.3		10.41875	11.5
	5.268750000000001	10.6		9.81875	12.4
	4.775000000000002	9.3		9.693750000000001	10.2
	4.531249999999999	7.8		10.99375	9.5
	4.675	6.7		10.7875	8.1
	4.76875	7.1		10.8375	9.5
	4.575	9.3		10.668750000000001	11.9
	4.406250000000001	8.2		10.556250000000002	10.7
	5.206250000000001	6.1		11.518749999999999	8.9
	4.775	4.4		11.375	8.1
	5.65	7.3		12.1125	9.7
	5.9625	8.5		12.29375	10.3
	5.874999999999999	10.2		10.881250000000001	10.7
	5.637499999999998	8.2		10.725000000000001	10.7
Mar.	5.8875	5.4		11.562499999999998	15.6
	5.031250000000001	9.7		11.5125	15
	5.16875	8.3		11.95625	15.7
	5.318749999999999	7.4		12.856250000000003	13.5
	6.012499999999999	11.1		13.087499999999999	14.7
	6.231250000000001	10.7		11.393749999999999	12.2
	6.449999999999999	7.4		11.51875	10.1
	5.9875	4.5		11.04375	9.7
	5.675	6.8		11.3625	9.9
	6.1875	9.2		12	11.8
	6.131249999999999	6.4		10.7125	9.2
	5.712500000000001	4.5		11.35625	12.4
	6.312500000000001	5.6		11.975000000000001	14.4
	6.643749999999999	8.4		11.750000000000002	12.1
	6.1625	7.5		11.674999999999999	10.7
	6.48125	4		12.5	13.8
	5.762499999999999	7.2		12.40625	9.2
	6.15	5		11.50625	11.2
	5.331250000000001	4.1		11.00625	14.1
	5.375	3.2		11.862500000000002	16.8
	6.162499999999998	6		11.89375	23.9
	6.19375	8.1		11.168750000000003	22.4
	6.35	6.6		12.5	13.5
	6.59375	7		12.212499999999999	12.9
	6.0125	4.1		12.037499999999998	15.2
	6.2437499999999995	6.8		13.581249999999999	18.8
	6.556249999999999	7.5		12.587499999999999	15.4
	5.94375	8.8		11.331249999999999	14.9
	5.5062500000000005	8.3		11.637500000000001	13.4
	5.8625	7.3		12.218749999999998	12.5
	5.918749999999999	6.6		12.593750000000002	10.8
Apr.	5.675000000000001	5.1		12.1875	10.6
	6.5249999999999995	3.1		13.06875	13.9
	6.44375	2.5		13.718749999999998	16
	6.8125	4.8		15.475	15.3
	7.2875000000000005	7.4		13.662500000000001	19.9
	6.9375	9.4		13.412499999999998	15.3
	7.031250000000001	9.4		13.537500000000001	15.6
	7.0249999999999995	7.7		14.39375	13.4
	6.9624999999999995	7.6		14.506249999999998	12.9
	7.65	5.1		14.093750000000002	18.7
	7.281250000000001	5.7		13.625	17.7
	7.499999999999999	7		13.087500000000002	13.7
	6.800000000000001	7.6		13.412499999999998	14.2
	7.00625	6.6		13.2625	14.3
	7.237500000000001	5		14.212499999999999	16.4
	7.73125	8.9		14.2375	14
	7.168749999999999	9.3		14.631250000000001	13.2
	7.612500000000002	10		15.149999999999999	15.5
	7.650000000000001	9.4		14.83125	15.1
	7.768749999999999	11.3		14.787499999999998	15.5
	7.656249999999999	12.2		14.59375	17
	7.674999999999999	11.4		14.218750000000002	15
	7.293749999999999	11		14.29375	16.1
	7.5375	8.7		15.025000000000002	15.7
	7.68125	7.4		15.725000000000001	20.2
	7.80625	11.6		15.4	16.6
	7.7875	8.5		15.787500000000001	20.1
	8.412500000000001	10.9		15.675	15.4
	8.85	11.3		16.41875	16.5
	9.7375	9.8		16.974999999999998	16.2
May	8.956249999999999	8.5		15.125	15.3
	8.95625	9.7		15.262500000000001	14.2
	9.099999999999998	7.5		15	17.2
	8.58125	7.3		14.743749999999997	17.2
	8.318749999999998	9.7		14.537500000000003	17.7
	8.2625	10		14.850000000000001	14.6
	8.825000000000001	9.9		14.86875	20.3
	8.8875	10.4		14.875000000000002	14.9
	8.768749999999999	10.2		14.26875	15.8
	8.21875	6.7		15.2	17.1
	8.41875	9.7		14.781249999999998	13.9
	9.11875	9.8		15.48125	15.9
	9.162500000000001	11.1		15.443750000000001	14.3
	9.4625	11		15.587500000000002	14.9
	9.200000000000001	9.6		15.35625	13
	8.96875	6.9		15.91875	16.8
	9.112499999999999	7.6		16.525	17.7
	9.456249999999997	7.3		16.75625	20.9
	9.506250000000001	9.3		16.400000000000002	16
	9.700000000000001	10.5		16.212500000000002	16.1
	10.11875	8.1		17.3375	16.6
	10.206249999999997	8.4		17.462500000000002	16.3
	9.9875	8.3		16.681250000000002	15.9
	9.73125	6		17.2125	18.5
	10.05	9.8		17.325000000000003	14.2
	9.793750000000001	10.5		16.8625	15.1
	9.781250000000002	9.4		16.124999999999996	17.7
	10.418750000000001	8.8		17.300000000000004	20
	10.312499999999998	9.6		17.09375	19.3
	10.268749999999999	10.4		15.681249999999999	24.8
	9.512500000000001	11.2		16.162500000000005	31.2
Jun.	9.543750000000001	12.2		15.931249999999999	24.9
	9.95	10.2		16.46875	18.7
	10.0125	10.8		17.25	18.9
	9.781250000000002	11		16.59375	18.4
	9.86875	11.7		16.993750000000002	16
	10.418750000000003	12.4		17.218749999999996	16.7
	10.83125	11.6		18.175	18.6
	10.99375	11.3		18.756250000000005	17.5
	11.125	11.2		18.7	17.5
	11.05	12.1		18.8125	17.6
	11.325000000000001	11.6		18.756249999999998	16.2
	11.362499999999999	12.5		18.7625	15.4
	11.756250000000001	12.6		19.025	15.8
	11.6	12.5		18.5875	16.8
	11.199999999999998	11.5		19.05625	16.8
	11.762500000000001	11.8		19.05625	16.6
	12.0125	10.1		19.2375	18
	11.7125	9.9		19.1375	19.2
	11.774999999999997	13.3		19.256249999999998	19.1
	11.125	13.3		19.362499999999997	18.4
	11.499999999999998	11.9		19.59375	18.3
	11.737499999999999	11.9		20.143750000000004	16.2
	11.975	11.3		19.675	16.6
	11.668749999999996	12.2		19.79375	19.4
	11.649999999999999	9.5		19.35	18
	12.125	12.3		19.693749999999998	17.5
	12.24375	13		19.76875	18.9
	12.137500000000003	9.6		19.4375	20.5
	11.862499999999999	9.2		19.387500000000003	18.7
	11.843749999999998	12.5		20.50625	17.4
Jul.	11.981249999999996	12.5		20.268750000000004	18.1
	12.300000000000002	13.9		19.712500000000002	18.4
	12.000000000000002	8.8		19.14375	20.2
	11.474999999999998	11.5		20.224999999999998	20.6
	11.687500000000002	12.2		19.656250000000004	18.8
	12.04375	12.4		19.75625	19.3
	12.025	12.8		19.424999999999997	19.4
	11.975	13.5		20.218750000000004	22
	12.14375	13.5		20.025	20.2
	12.093750000000002	12		20.624999999999996	18.6
	12.368749999999999	11.7		20.418750000000006	21.1
	12.00625	13.6		20.26875	19.3
	12.062499999999998	10.1		20.406250000000004	21.7
	12.187500000000002	13		20.61875	20.9
	12.2625	13.1		20.974999999999994	19.4
	12.568750000000001	9.6		20.743750000000002	20.3
	12.424999999999999	10.3		20.91875	20.8
	12.437499999999998	13.7		20.424999999999997	19
	12.587499999999999	11.2		20.84375	20.3
	12.737500000000002	12.2		20.75	22.9
	12.681249999999999	12		20.88125	26.5
	12.837499999999999	11.3		20.568749999999998	19.3
	12.999999999999998	13		20.874999999999996	18.1
	12.568750000000001	14		19.962500000000002	18.4
	12.218749999999998	12.8		20.256249999999998	20.4
	12.299999999999999	13.2		20.381249999999998	18.8
	12.975000000000001	12.5		20.6375	19.9
	13.075000000000003	12.4		21.168749999999996	19.1
	12.562500000000004	14.2		21.231250000000003	19.4
	12.6	13.4		21.3	19.6
	12.743750000000002	14.3		21.175	18.4
Aug.	13.25		11.5	21.468750000000004		16.9
	13.475		10.4	22.1875		16.9
	12.999999999999998		10.9	21.275000000000002		16.7
	12.612500000000002		11.8	20.74375		17.2
	12.5		10.4	20.787499999999998		18.3
	12.56875		12.1	21.393750000000004		17.1
	12.425000000000002		12.4	21.368750000000006		17.1
	12.868749999999999		11.4	20.356250000000003		17.5
	12.7		12.5	21.10625		20.9
	12.381250000000001		12.3	20.875000000000004		20.9
	12.5875		12.6	21.04375		21.3
	12.762500000000001		12.7	21.312500000000004		21.3
	13.143750000000004		13.1	21.7875		21.3
	12.8625		12.7	21.0625		20.9
	12.7625		12.9	19.46875		19.8
	12.49375		12.7	19.34375		19.4
	12.281250000000004		12.3	19.718750000000004		19.4
	12.475		12.5	20.4125		20.8
	12.96875		12.8	21.237499999999997		21.4
	12.73125		12.6	21.125		21
	12.2875		12.3	20.999999999999996		21.2
	12.500000000000002		12.7	21.24375		20.9
	12.375000000000002		12.5	20.668750000000006		20.5
	12.756250000000001		12.9	20.50625		20.2
	12.662500000000001		12.7	20.21875		20.8
	13.118749999999999		12.7	21.537499999999994		21.8
	12.98125		13.1	22.256249999999998		21.4
	12.612499999999999		12.4	20.74375		20.6
	12.1125		12.1	19.675		20.5
	11.75625		12	20.012499999999996		20
	11.5875		11.5	20.381249999999998		20
Sep.	11.424999999999997			18.65625
	11.756250000000001			18.75625
	11.693749999999998			18.462500000000002
	12.250000000000002			18.44375
	12.1			18.400000000000006
	11.725			18.83125
	11.375			18.724999999999998
	11.34375			17.8875
	11.45			18.693749999999998
	12.075000000000001			19.8125
	12.0375			19.249999999999996
	12.1875			19.60625
	11.781250000000002			19.2875
	11.675			19.1375
	11.78125			18.6375
	11.181249999999999			18.45625
	10.81875			18.06875
	10.69375			17.825
	10.6625			17.6875
	10.518750000000002			19.08125
	10.781249999999998			18.949999999999996
	11.125			19.568750000000005
	10.78125			17.55625
	10.762499999999998			17.11875
	10.512500000000001			16.95625
	10.4625			16.30625
	10.23125			16.14375
	9.462499999999999			17.025
	9.987499999999997			17.1625
	10.4125			18.031250000000004
Oct.	10.725			17.65
	10.64375			16.956250000000004
	10.45			16.637500000000003
	10.4			17.5375
	10.181250000000002			16.831249999999997
	10.700000000000001			16.9125
	10.5375			16.537499999999998
	10.381250000000001			14.831249999999999
	9.4875			15.1
	9.5			15.018749999999999
	9.53125			14.131249999999998
	8.568749999999998			14.425
	9.268749999999999			15.493749999999999
	9.881250000000001			14.956249999999999
	9.4125			15.112499999999999
	9.225			15.506250000000001
	9.75			14.462499999999999
	9.412500000000003			14.7625
	9.262500000000001			14.175000000000002
	8.94375			14.456249999999999
	9.075000000000001			14.187500000000002
	9.706249999999999			14.08125
	8.906250000000002			13.549999999999997
	7.981250000000001			13.13125
	7.456249999999999			13.4125
	7.300000000000001			12.8
	7.262500000000002			12.874999999999998
	8.43125			14.09375
	8.868749999999999			13.5625
	8.7			13.64375
	9.24375			13.19375
Nov.	8.393749999999999			12.687500000000002
	7.375			12.7625
	7.5875			13.281249999999998
	7.25			12.487499999999999
	6.887500000000001			11.75
	6.337499999999999			11.968750000000002
	7.2			12.774999999999999
	7.33125			12.212499999999999
	6.906249999999999			11.51875
	5.962499999999999			11.187499999999998
	6.30625			11.7
	6.7125			11.593749999999998
	6.4437500000000005			11.268749999999999
	6.06875			11.28125
	5.65625			10.750000000000002
	5.6625000000000005			10.475000000000003
	6.675000000000001			11.131249999999998
	5.9937499999999995			10.79375
	5.768749999999999			10.85625
	6.43125			11.006250000000001
	6.575000000000001			12.06875
	6.5			11.39375
	6.556250000000001			10.900000000000002
	6.58125			10.8125
	6.418749999999999			11.075
	6.843749999999999			11.075000000000001
	6.543749999999999			11.200000000000001
	6.2			10.562499999999998
	5.7250000000000005			10.125
	5.0125			9.8375
Dec.	5.249999999999999			9.75
	5.6875			10.774999999999999
	5.887500000000001			10.6875
	6.4312499999999995			10.468749999999998
	6.325			9.675
	6.699999999999999			10.975000000000001
	6.7875000000000005			10.562500000000002
	6.018749999999999			9.9125
	6.66875			10.412500000000003
	5.5687500000000005			10.04375
	5.543749999999999			9.668750000000001
	5.4937499999999995			9.343749999999998
	6.00625			9.474999999999998
	5.843750000000001			10.237499999999999
	5.86875			9.9125
	4.40625			9.5375
	3.7266666666666666			9.053333333333335

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

31°C

Highest Temp

14 Jun. 26

2°C

Lowest Temp

24 Jan. 26

Seasonal Breakdown

Hottest MonthAugust20.01°C

Coldest MonthApril6.41°C

Wettest MonthFebruary18.37mm

Windiest MonthMay23.79km/h

Coos Bay 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 Coos Bay historically?

August is historically Coos Bay's hottest month, with average maximum temperatures around 21°C. During peak heatwave events, the highest recorded temperatures have reached 34°C on 2020-09-08.

2. What is the coldest month in Coos Bay historically?

February is Coos Bay's coldest month, with average minimum temperatures around 5°C. The all-time record low of -5°C was recorded on 2013-12-08.

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

Coos Bay's average annual rainfall is approximately 1648.2mm, based on records spanning 17 years.

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

Coos Bay historically records approximately 171.2 rainy days per year. December 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 Coos Bay?

The all-time highest temperature recorded in Coos Bay is 34°C on 2020-09-08.

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

The all-time lowest temperature recorded in Coos Bay is -5°C on 2013-12-08.

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

Coos Bay experiences its strongest winds during March. The historic gust record of 57.6 kph was recorded on 2025-12-19.

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

Usually, Coos Bay's humidity peaks in August at around 85.3% and drops to its lowest in April at approximately 80.9%.

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Coos Bay Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Coos Bay Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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