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Olympic Peninsula

Olympic Peninsula 1
Travel guide
1
Travel guide

Best time to visit Olympic Peninsula

Data source:Meteostat
Last updated:2025-09

Weather in Olympic Peninsula throughout the year

  • Spring (March–May): Average 0.2–5°C, cold and humid climate, less rainfall, but staying warm is still necessary. Common activities: birdwatching, hiking (choose lower altitude routes). Recommended clothing: waterproof jacket, thermal underwear, thick sweater, waterproof pants.
  • Summer (June–August): Average 8.7–15.7°C, cool climate, very little rainfall, more sunny days. Common activities: beach activities, camping, hiking (higher altitude routes can be chosen). Recommended clothing: light and breathable clothing, sun protection clothing, rain gear (in case of occasional rain).
  • Autumn (September–November): Average 5.6–11.5°C, the climate turns cooler, rainfall gradually increases, and the weather is changeable. Common activities: viewing autumn leaves (in some areas), whale watching (depending on the season), hiking. Recommended clothing: warm jacket, waterproof jacket, long pants, comfortable hiking shoes.
  • Winter (December–February): Average -0.5–1.8°C, cold and humid climate, more rainfall, and snow may fall in some areas. Common activities: skiing (requires going to specific areas), birdwatching. Recommended clothing: warm waterproof jacket, hat, scarf, gloves, waterproof pants, warm boots.

Weather in Olympic Peninsula

Annual average temperature: approx. 5.3°C / Annual rainfall: approx. 128 mm / Summer humidity: 60%–70% / Rainiest month: December

Olympic Peninsula weather by month

Month
Temperature (°C)
Rainfall (mm)
January
-0.5°C
16.6
February
-0.5°C
8.9
March
0.2°C
7.7
April
1.3°C
5.1
May
5°C
3.7
June
8.7°C
4.4
July
15.7°C
0.6
August
13.9°C
2.9
September
11.5°C
4.5
October
5.6°C
15.9
November
0.8°C
28.5
December
1.8°C
29.6

7-day weather forecast for Olympic Peninsula

11/2
Monday
Overcast
12.9°C/1.9°C
11/3
Tuesday
Overcast
13.8°C/4.2°C
11/4
Wednesday
Overcast
11.9°C/2.4°C
11/5
Thursday
Patchy rain nearby
10.7°C/2.9°C
11/6
Friday
Mist
8.9°C/4.3°C
11/7
Saturday
Patchy rain nearby
13.5°C/5.3°C
11/8
Sunday
Light rain shower
9.3°C/4.8°C