Coos Bay Water Temperature

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Coos Bay is a town close to Pacific Ocean. September is the month with the warmest water temperature at 54.9°F / 12.7°C. The coolest month is March with an avg. water temperature of 50.5°F / 10.3°C. July is the sunniest at 0in / 0mm and March the wettest month with 1.4in / 36.4mm. The average air temperature is around 61.9°F / 16.6°C, August is the hottest month in a year. December is the coolest with 45.1°F / 7.3°C average air temperature. temperate climate with warm and dry summer would be the climate here. June, July, August, September would be the best time to visit.

Coos Bay Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	September with 54.9°F / 12.7°C
Coldest Month Water Temperature:	March with 50.5°F / 10.3°C
Warmest Month Air Temperature:	August with 61.9°F / 16.6°C
Coldest Month Air Temperature:	December with 45.1°F / 7.3°C
Wettest Month:	March with 1.4in / 36.4mm
Driest Month:	July with 0in / 0mm
Highest Humidity	December with 83.5%
Lowest Humidity	July with 72.9%
Best Time to Visit:	June, July, August, September
Climate Classification	temperate climate with warm and dry summer

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Coos Bay water temperature by month

°F

Pacific Ocean water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	51.4	51.1	50.7
February	51.1	50.5	50.2
March	50.9	50.5	50.2
April	52	51.1	50.5
May	53.4	52.3	51.4
June	55	53.6	52.5
July	54.7	53.6	52.2
August	55.8	54.3	52.7
September	55.2	54.7	54.1
October	54.7	54	53.4
November	54.1	53.6	52.7
December	52.9	52	51.3

°C

Pacific Ocean water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	10.8	10.6	10.4
February	10.6	10.3	10.1
March	10.5	10.3	10.1
April	11.1	10.6	10.3
May	11.9	11.3	10.8
June	12.8	12	11.4
July	12.6	12	11.2
August	13.2	12.4	11.5
September	12.9	12.6	12.3
October	12.6	12.2	11.9
November	12.3	12	11.5
December	11.6	11.1	10.7

September is the month with the warmest water temperature at 54.9°F / 12.7°C. The month with the coldest is March with an average water temperature of 50.5°F / 10.3°C.

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Coos Bay weather today & 14-day weather forecast

7-day weather forecast
+9-day forecast

7-day weather forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Nov. 13	Heavy rain	55 °F 50°F	13 °C 10°C	6mph (10km/h) south-southwest	1in (18mm) 90 %	94%
Nov. 14	Light rain	52 °F 44°F	11 °C 7°C	2mph (4km/h) south-southwest	0in (10mm) 85 %	92%
Nov. 15	Light shower rain	50 °F 40°F	10 °C 5°C	1mph (2km/h) southeast	0in (5mm) 70 %	89%
Nov. 16	Moderate rain	51 °F 40°F	11 °C 4°C	3mph (5km/h) south-southeast	1in (13mm) 85 %	90%
Nov. 17	Heavy rain	52 °F 46°F	11 °C 8°C	4mph (7km/h) west-southwest	1in (36mm) 95 %	92%
Nov. 18	Heavy rain	50 °F 42°F	10 °C 6°C	3mph (4km/h) west-southwest	1in (16mm) 90 %	87%
Nov. 19	Overcast clouds	51 °F 41°F	10 °C 5°C	2mph (3km/h) east-southeast	0in (0mm) 0 %	72%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Nov. 20	Scattered clouds	58 °F 45°F	14 °C 7°C	2mph (3km/h) east	0in (0mm) 0 %	64%
Nov. 21	Overcast clouds	59 °F 50°F	15 °C 10°C	2mph (3km/h) east	0in (0mm) 0 %	69%
Nov. 22	Scattered clouds	59 °F 50°F	15 °C 10°C	1mph (2km/h) east-northeast	0in (0mm) 0 %	74%
Nov. 23	Overcast clouds	57 °F 51°F	14 °C 10°C	2mph (4km/h) southeast	0in (0mm) 0 %	78%
Nov. 24	Broken clouds	58 °F 48°F	14 °C 9°C	2mph (4km/h) south-southeast	0in (0mm) 15 %	79%
Nov. 25	Heavy rain	56 °F 50°F	13 °C 10°C	3mph (5km/h) south-southeast	1in (21mm) 90 %	91%
Nov. 26	Heavy rain	53 °F 49°F	12 °C 9°C	3mph (5km/h) southeast	1in (23mm) 90 %	91%
Nov. 27	Light rain	55 °F 49°F	13 °C 10°C	4mph (6km/h) south	0in (8mm) 80 %	91%
Nov. 28	Overcast clouds	56 °F 47°F	13 °C 9°C	1mph (2km/h) south-southeast	0in (0mm) 20 %	83%

Coos Bay weather by month / climate table

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	53.2	45.5	39.7	0.3	5	82.4%
February	54	45.5	39	0.3	6	81.7%
March	56.8	46.6	40.1	1.4	12	80.6%
April	59.5	48.7	41.4	0.5	5	78.7%
May	62.8	52.9	45.3	0.2	0	77.1%
June	70	57	49.3	0.1	0	75.7%
July	72.5	61.2	53.1	0	0	72.9%
August	73.6	61.9	54.9	0	0	74.4%
September	72.5	60.3	52.5	0	0	73.2%
October	66	55.2	47.7	0.1	0	77.6%
November	59.4	49.5	41.5	0.4	9	82.1%
December	53.4	45.1	39.2	0	12	83.5%

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	11.8	7.5	4.3	6.9	5	82.4%
February	12.2	7.5	3.9	6.6	6	81.7%
March	13.8	8.1	4.5	36.4	12	80.6%
April	15.3	9.3	5.2	12.7	5	78.7%
May	17.1	11.6	7.4	4.5	0	77.1%
June	21.1	13.9	9.6	1.9	0	75.7%
July	22.5	16.2	11.7	0	0	72.9%
August	23.1	16.6	12.7	0	0	74.4%
September	22.5	15.7	11.4	0	0	73.2%
October	18.9	12.9	8.7	3.6	0	77.6%
November	15.2	9.7	5.3	10.2	9	82.1%
December	11.9	7.3	4	0	12	83.5%

July is the driest at 0in / 0mm and March the wettest month with 1.4in / 36.4mm. With an average temperature of 61.9°F / 16.6°C, August is the warmest month in a year. December is the coldest with 45.1°F / 7.3°C average temperature.

Activities & POI in Coos Bay

Type of Activity	List
Beach	Lighthouse Beach, Bastendorff Beach, Simpson Beach
Marina for Sailing, Boat adventures, fishing	Charleston Marina
Attraction	Trailhead, Observation building, Marine life center, Interpretive Center, South Slough National Estuarine Research Reserve, Shore acres gardens
Golf Course	Coos Golf Club
Caravan Site	Oceanside RV, Lucky Loggers RV Park, Sunset Bay Campground

pacific ocean