Climate Insights for Friday Harbor Seaplane Base

San Juan County, Washington, United States

Based on 10 years of historical weather data

Current Season

What season is it in Friday Harbor Seaplane Base?

Astronomical Season

winter

Based on Earth's position relative to the sun

Meteorological Season

spring

Based on temperature cycles and weather patterns

spring begins on March 20, 2026 (5 days from now)

Season Timeline for 2026

spring
Mar 20
Next
summer
Jun 21
Future
fall
Sep 23
Future
winter
Dec 21
Current

Hottest Month

August
Peak: 17°C
Average: 15°C

Coldest Month

February
Low: 5°C
Average: 6°C

Wettest Month

November
187 mm rain
1 mm snow

Best Time to Visit

August
Comfortable temps & low rain
Monthly Climate Data
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
6 °C
8 °C
30 km/h
159 mm
3 cm
Feb
5 °C
8 °C
28 km/h
122 mm
7 cm
Mar Current
6 °C
9 °C
26 km/h
101 mm
1 cm
Apr
8 °C
10 °C
25 km/h
72 mm
0 cm
May
11 °C
13 °C
21 km/h
41 mm
0 cm
Jun
12 °C
14 °C
21 km/h
37 mm
0 cm
Jul
14 °C
16 °C
19 km/h
15 mm
0 cm
Aug
14 °C
17 °C
19 km/h
21 mm
0 cm
Sep
13 °C
15 °C
19 km/h
58 mm
0 cm
Oct
11 °C
13 °C
25 km/h
131 mm
0 cm
Nov
8 °C
10 °C
30 km/h
187 mm
1 cm
Dec
6 °C
8 °C
31 km/h
169 mm
5 cm
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Metric (°C, km/h)