Coupeville Water Temperature

Coupeville is a town close to Salish Sea. August is the month with the highest water temperature at 54.1°F / 12.3°C.
The coldest month is February with an average water temperature of 45.9°F / 7.7°C.
August is the driest at 0in / 0mm and March the wettest month with 3.6in / 91.1mm.
With an average air temperature of 63°F / 17.2°C, August is the warmest month in a year. December is the coldest with 39.7°F / 4.3°C average air temperature.
The Climate is described as temperate climate with warm and dry summer. Best time to Visit would be in June, July, August, September.

Summary

Description Value
Current water temperature 50 °F / 10 °C
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
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

Coupeville,United States of America: The current water temperature 50 °F

The temperature is too cold to swim

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

Coupeville,United States of America: The current water temperature 10 °C

The temperature is too cold to swim

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 forecast for the next 14 days

Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Nov 27.
Partly Cloudy
46 °F
8 °C
34 °F
1 °C
0 %
14.3 mph
23 km/h
0 inch
0 mm
83%
Nov 28.
Patchy rain nearby
46 °F
8 °C
43 °F
6 °C
81 %
19.3 mph
31 km/h
0.1 inch
1.9 mm
86%
Nov 29.
Patchy rain nearby
46 °F
8 °C
36 °F
2 °C
82 %
17.4 mph
28 km/h
0.1 inch
2.9 mm
83%
Nov 30.
Moderate rain
46 °F
8 °C
39 °F
4 °C
88 %
6.8 mph
11 km/h
0.2 inch
6.1 mm
86%
Dec 01.
Partly Cloudy
46 °F
8 °C
34 °F
1 °C
0 %
10.6 mph
17 km/h
0 inch
0 mm
82%
Dec 02.
Moderate rain
46 °F
8 °C
43 °F
6 °C
71 %
16.8 mph
27 km/h
0.3 inch
8.4 mm
88%
Dec 03.
Patchy rain nearby
46 °F
8 °C
30 °F
-1 °C
63 %
17.4 mph
28 km/h
0.1 inch
2 mm
83%
Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Dec 04.
Patchy rain nearby
54 °F
12 °C
43 °F
6 °C
82 %
19.3 mph
31 km/h
0.1 inch
1.4 mm
86%
Dec 05.
Patchy rain nearby
50 °F
10 °C
36 °F
2 °C
61 %
22.4 mph
36 km/h
0 inch
1 mm
76%
Dec 06.
Patchy rain nearby
54 °F
12 °C
48 °F
9 °C
86 %
18 mph
29 km/h
0.1 inch
1.5 mm
88%
Dec 07.
Partly Cloudy
46 °F
8 °C
39 °F
4 °C
0 %
8.1 mph
13 km/h
0 inch
0.1 mm
81%
Dec 08.
Partly Cloudy
48 °F
9 °C
41 °F
5 °C
0 %
8.1 mph
13 km/h
0 inch
0 mm
77%
Dec 09.
Moderate rain
50 °F
10 °C
41 °F
5 °C
87 %
19.3 mph
31 km/h
0.6 inch
15.4 mm
88%
Dec 09.
Moderate rain
50 °F
10 °C
41 °F
5 °C
87 %
19.3 mph
31 km/h
0.6 inch
15.4 mm
88%

Coupeville weather by month

Max.

Temperature

(°F)

ø.

Temperature

(°F)

Min.

Temperature

(°F)

Precip.

(inch)

Rainy Days

(day)

Rel. Humidity

(%)

January

45.5 40.1 35.4 2.6 16 87.9%

February

46 40.1 34.2 1.4 12.9 83.6%

March

51.1 42.6 36.5 3.6 20.6 82.1%

April

56.7 46.6 38.8 1.9 12.8 78.5%

May

61.3 52.3 43.9 1 5.2 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 0.7 75%

September

66.9 58.3 51.8 0.1 1.9 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 17.8 87.5%
Max.

Temperature

(°C)

ø.

Temperature

(°C)

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(days)

Rel. Humidity

(%)

January

7.5 4.5 1.9 65.8 16 87.9%

February

7.8 4.5 1.2 34.5 12.9 83.6%

March

10.6 5.9 2.5 91.1 20.6 82.1%

April

13.7 8.1 3.8 48.3 12.8 78.5%

May

16.3 11.3 6.6 24.6 5.2 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 0.7 75%

September

19.4 14.6 11 2.5 1.9 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 17.8 87.5%
The warmest 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 air temperature. August is the month with the min. precipitation of 0in / 0mm and March with the max. precipitation in a year with 3.6in / 91.1mm.

Activities & POI in Coupeville

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