Coupeville Water Temperature

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

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

August is the month with the highest water temperature at 54.1°F / 12.3°C. The month with the lowest is February with an average water temperature of 45.9°F / 7.7°C.

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 most draught at 0in / 0mm and March the month with the most rain around 3.6in / 91.1mm. The avg. temperature is around 63°F / 17.2°C, August is the hottest month in a year. December is the coolest with 39.7°F / 4.3°C avg. temperature.

Activities & POI in Coupeville

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

Salish Sea