Coupeville Water Temperature

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Coupeville is a town close to Salish Sea. August is the month with the hottest water temperature at 54.1°F / 12.3°C. The coldest month is February with an ø water temperature of 45.9°F / 7.7°C. August is the month with the lowest precipitation of 0in / 0mm and March with the highest precipitation in a year with 3.6in / 91.1mm. The avg. air temperature is around 63°F / 17.2°C, August is the month with the highest temperature. December is the coolest with 39.7°F / 4.3°C average air temperature. June, July, August, September would be the best time to visit. temperate climate with warm and dry summer would be the climate here.

Coupeville Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	August with 54.1°F / 12.3°C
Coldest Month Water Temperature:	February with 45.9°F / 7.7°C
Warmest Month Air Temperature:	August with 63°F / 17.2°C
Coldest Month Air Temperature:	December with 39.7°F / 4.3°C
Wettest Month:	March with 3.6in / 91.1mm
Driest Month:	August with 0in / 0mm
Highest Humidity	January with 87.9%
Lowest Humidity	August with 75%
Best Time to Visit:	June, July, August, September
Climate Classification	temperate climate with warm and dry summer

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Coupeville water temperature by month

°F

Salish Sea water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	46.2	46	45.9
February	46	46	45.9
March	46.9	46.4	46
April	48.6	47.7	46.9
May	50.2	49.5	48.6
June	52.5	51.3	50
July	54	53.2	52.3
August	54.3	54	53.2
September	54.1	53.1	52
October	52	50.7	49.6
November	49.6	48.9	47.8
December	47.8	47.1	46.4

°C

Salish Sea water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	7.9	7.8	7.7
February	7.8	7.8	7.7
March	8.3	8	7.8
April	9.2	8.7	8.3
May	10.1	9.7	9.2
June	11.4	10.7	10
July	12.2	11.8	11.3
August	12.4	12.2	11.8
September	12.3	11.7	11.1
October	11.1	10.4	9.8
November	9.8	9.4	8.8
December	8.8	8.4	8

The warmest water temperature are in August with around 54.1°F / 12.3°C. The coldest in February with an average water temperature of 45.9°F / 7.7°C.

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Coupeville 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. 21	Broken clouds	51 °F 43°F	11 °C 6°C	3mph (4km/h) southeast	0in (1mm) 35 %	84%
Nov. 22	Light rain	55 °F 44°F	13 °C 7°C	5mph (8km/h) east-southeast	0in (8mm) 80 %	84%
Nov. 23	Light rain	50 °F 44°F	10 °C 7°C	5mph (8km/h) south-southeast	0in (6mm) 75 %	86%
Nov. 24	Light rain	50 °F 43°F	10 °C 6°C	4mph (6km/h) southeast	0in (6mm) 75 %	86%
Nov. 25	Light shower rain	48 °F 42°F	9 °C 5°C	2mph (4km/h) south-southeast	0in (2mm) 50 %	86%
Nov. 26	Broken clouds	44 °F 40°F	6 °C 5°C	1mph (2km/h) southeast	0in (0mm) 20 %	77%
Nov. 27	Overcast clouds	44 °F 43°F	6 °C 6°C	1mph (2km/h) west	0in (1mm) 20 %	77%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Nov. 28	Overcast clouds	43 °F 41°F	6 °C 5°C	1mph (2km/h) southeast	0in (1mm) 40 %	80%
Nov. 29	Overcast clouds	41 °F 40°F	5 °C 5°C	1mph (2km/h) east-southeast	0in (0mm) 20 %	74%
Nov. 30	Overcast clouds	42 °F 41°F	6 °C 5°C	1mph (2km/h) southeast	0in (0mm) 15 %	79%
Dec. 01	Broken clouds	44 °F 40°F	7 °C 4°C	2mph (3km/h) north	0in (0mm) 0 %	78%
Dec. 02	Broken clouds	44 °F 41°F	7 °C 5°C	2mph (3km/h) north-northwest	0in (0mm) 20 %	80%
Dec. 03	Broken clouds	45 °F 42°F	7 °C 6°C	2mph (3km/h) north-northwest	0in (0mm) 0 %	81%
Dec. 04	Few clouds	46 °F 42°F	8 °C 6°C	2mph (3km/h) north-northwest	0in (0mm) 0 %	80%
Dec. 05	Few clouds	47 °F 43°F	8 °C 6°C	2mph (3km/h) north-northwest	0in (0mm) 0 %	78%
Dec. 06	Few clouds	46 °F 43°F	8 °C 6°C	1mph (2km/h) south	0in (0mm) 0 %	73%

Coupeville weather by month / climate table

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	45.5	40.1	35.4	2.6	16	87.9%
February	46	40.1	34.2	1.4	13	83.6%
March	51.1	42.6	36.5	3.6	21	82.1%
April	56.7	46.6	38.8	1.9	13	78.5%
May	61.3	52.3	43.9	1	5	77.3%
June	66.4	56.7	49.6	1.4	10	78.1%
July	71.2	62.1	54.3	0.3	0	75.6%
August	71.4	63	55.9	0	1	75%
September	66.9	58.3	51.8	0.1	2	78%
October	59.5	51.3	43.7	0.3	0	83.4%
November	51.3	44.2	37	3.4	19	86.9%
December	44.2	39.7	35.4	3.6	18	87.5%

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	7.5	4.5	1.9	65.8	16	87.9%
February	7.8	4.5	1.2	34.5	13	83.6%
March	10.6	5.9	2.5	91.1	21	82.1%
April	13.7	8.1	3.8	48.3	13	78.5%
May	16.3	11.3	6.6	24.6	5	77.3%
June	19.1	13.7	9.8	34.5	10	78.1%
July	21.8	16.7	12.4	7.5	0	75.6%
August	21.9	17.2	13.3	0	1	75%
September	19.4	14.6	11	2.5	2	78%
October	15.3	10.7	6.5	7.3	0	83.4%
November	10.7	6.8	2.8	87.2	19	86.9%
December	6.8	4.3	1.9	90.3	18	87.5%

August is the month with the lowest rain of 0in / 0mm and March with the highest precipitation in a year with 3.6in / 91.1mm. The avg. temperature is around 63°F / 17.2°C, August is the month with the highest temperature. December is the coolest with 39.7°F / 4.3°C average temperature.

Activities & POI in Coupeville

Type of Activity	List
Beach	West Beach, Monroe Landing
Attraction	Alexander Blockhouse, Admirality Head Lighthouse

Salish Sea