Shoreline Water Temperature

Shoreline is a town close to Salish Sea. August is the month with the highest water temperature at 55.2°F / 12.9°C.
The coldest month is February with an average water temperature of 45.7°F / 7.6°C.
July is the driest at 0in / 0mm and December the wettest month with 3in / 75.7mm.
With an average air temperature of 64.8°F / 18.2°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.

Shoreline Summary

Description Value
Current water temperature 50 °F / 10 °C
Warmest Month Water Temperature: August with 55.2°F / 12.9°C
Coldest Month Water Temperature: February with 45.7°F / 7.6°C
Warmest Month Air Temperature: August with 64.8°F / 18.2°C
Coldest Month Air Temperature: December with 39.7°F / 4.3°C
Wettest Month: December with 3in / 75.7mm
Driest Month: July with 0in / 0mm
Highest Humidity January with 83.8%
Lowest Humidity July with 67.3%
Best Time to Visit: June, July, August, September
Climate Classification temperate climate with warm and dry summer

Shoreline water temperature by month

Salish Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

46.2 45.9 45.5

February

46 45.7 45.5

March

46.6 46.2 46

April

48.2 46.9 46.2

May

50 49.1 48.2

June

52.9 50.9 49.5

July

55 54 52.9

August

55.8 55 54.3

September

55.2 54.1 53.4

October

53.1 51.3 50

November

50 48.9 47.8

December

47.8 46.9 46.2

Salish Sea water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

7.9 7.7 7.5

February

7.8 7.6 7.5

March

8.1 7.9 7.8

April

9 8.3 7.9

May

10 9.5 9

June

11.6 10.5 9.7

July

12.8 12.2 11.6

August

13.2 12.8 12.4

September

12.9 12.3 11.9

October

11.7 10.7 10

November

10 9.4 8.8

December

8.8 8.3 7.9
The highest water temperature will be reached in August with around 55.2°F / 12.9°C. The lowest in February with an average water temperature of 45.7°F / 7.6°C.

Shoreline Weather Forecast for the next 14 Days

Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Dec 04.
Moderate rain
54 °F
12 °C
43 °F
6 °C
79 %
11.8 mph
19 km/h
0.6 inch
16.4 mm
89%
Dec 05.
Moderate rain
52 °F
11 °C
50 °F
10 °C
89 %
13 mph
21 km/h
0.3 inch
8.7 mm
84%
Dec 06.
Patchy rain nearby
50 °F
10 °C
43 °F
6 °C
89 %
8.7 mph
14 km/h
0.2 inch
4.9 mm
86%
Dec 07.
Patchy rain nearby
48 °F
9 °C
28 °F
-2 °C
81 %
3.7 mph
6 km/h
0 inch
1 mm
82%
Dec 08.
Partly Cloudy
50 °F
10 °C
39 °F
4 °C
0 %
3.7 mph
6 km/h
0 inch
0 mm
78%
Dec 09.
Heavy rain
50 °F
10 °C
37 °F
3 °C
87 %
14.3 mph
23 km/h
1.2 inch
30.1 mm
89%
Dec 09.
Heavy rain
50 °F
10 °C
37 °F
3 °C
87 %
14.3 mph
23 km/h
1.2 inch
30.1 mm
89%
Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Dec 10.
Patchy rain nearby
45 °F
7 °C
37 °F
3 °C
88 %
5.6 mph
9 km/h
0.1 inch
2.4 mm
83%
Dec 11.
Patchy moderate snow
37 °F
3 °C
19 °F
-7 °C
81 %
6.2 mph
10 km/h
0 inch
0.7 mm
74%
Dec 12.
Overcast
39 °F
4 °C
25 °F
-4 °C
0 %
2.5 mph
4 km/h
0 inch
0 mm
80%
Dec 12.
Overcast
39 °F
4 °C
25 °F
-4 °C
0 %
2.5 mph
4 km/h
0 inch
0 mm
80%
Dec 13.
Overcast
45 °F
7 °C
36 °F
2 °C
0 %
5 mph
8 km/h
0 inch
0.1 mm
89%
Dec 14.
Patchy rain nearby
46 °F
8 °C
34 °F
1 °C
74 %
10.6 mph
17 km/h
0.1 inch
3.8 mm
90%
Dec 15.
Heavy rain
48 °F
9 °C
41 °F
5 °C
85 %
19.3 mph
31 km/h
1.1 inch
28.8 mm
84%

Shoreline weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

47.5 40.5 34.2 1.2 14 83.8%

February

47.8 40.5 34.3 0.5 9 80.3%

March

54.3 43.5 35.6 1.5 14 78.5%

April

59.9 47.3 37.4 0.7 10 75.5%

May

64.6 53.2 42.4 0.2 1 73.1%

June

71.6 58.1 49.3 0.3 1 71.3%

July

76.8 64 53.8 0 0 67.3%

August

77.2 64.8 54.7 0 1 68%

September

71.1 59.2 50 0 1 74.7%

October

62.2 51.4 43.2 0 0 81.2%

November

52.7 44.4 35.6 0.7 15 83.1%

December

45.3 39.7 34.9 3 13 82.8%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

8.6 4.7 1.2 29.5 14 83.8%

February

8.8 4.7 1.3 13.9 9 80.3%

March

12.4 6.4 2 36.9 14 78.5%

April

15.5 8.5 3 18.2 10 75.5%

May

18.1 11.8 5.8 4.5 1 73.1%

June

22 14.5 9.6 7.5 1 71.3%

July

24.9 17.8 12.1 0 0 67.3%

August

25.1 18.2 12.6 0 1 68%

September

21.7 15.1 10 0 1 74.7%

October

16.8 10.8 6.2 0 0 81.2%

November

11.5 6.9 2 17.7 15 83.1%

December

7.4 4.3 1.6 75.7 13 82.8%
July is the driest at 0in / 0mm and December the wettest month with 3in / 75.7mm. With an average temperature of 64.8°F / 18.2°C, August is the warmest month in a year. December is the coldest with 39.7°F / 4.3°C average temperature.

Activities & POI in Shoreline

Type of Activity List
Beach West Green Lake Beach, North Beach
Marina for Sailing, Boat adventures, fishing Shilshole Bay Marina, Corinthian Yacht Club
Attraction Leif Erikson Statue
Golf Course Jackson Park Golf Course, Seattle Golf Club
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