Northwestern Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Northwestern year round climate
Spring (March–May): Average -33–45°F, cold and humid climate with relatively low rainfall, but staying warm is still necessary. Common activities: Hiking, birdwatching (with appropriate clothing). Recommended clothing: Warm waterproof jacket, sweater, waterproof pants, warm hat, gloves and scarf.
Summer (June–August): Average 50–51°F, cool climate with moderate rainfall. Common activities: Hiking, camping, exploring fjords and waterfalls. Recommended clothing: Lightweight breathable jacket, long-sleeved shirt, comfortable long pants, waterproof jacket for backup.
Autumn (September–November): Average 45–35°F, the climate turns cooler, rainfall increases, and the weather is changeable. Common activities: Viewing the Northern Lights (depending on weather conditions), photography. Recommended clothing: Warm waterproof jacket, waterproof pants, sweater, warm hat, gloves and scarf.
Winter (December–February): Average -4.0–-34.0°F, cold climate, snowfall may be less, but temperatures are low and windy. Common activities: Skiing, snowshoeing (if there is snow). Recommended clothing: Thick warm waterproof jacket, waterproof pants, warm hat, scarf, gloves, warm underwear, snow boots.
Northwestern climatological average
Annual average temperature: approx. 38.8°F / Annual rainfall: approx. 600 mm / Summer humidity: 60%–70% / Rainiest month: March
Northwestern monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
30°F
46.1
February
29.3°F
74.3
March
30.2°F
85.1
April
36.9°F
32.8
May
45.3°F
26
June
50.2°F
30
July
52°F
32.7
August
50.5°F
45
September
45.3°F
54.7
October
35.8°F
72.7
November
35.1°F
51.7
December
24.8°F
49.3
Northwestern weather for the next seven days
12/7
Sunday
Partly Cloudy
35.5°F/29.6°F
12/8
Monday
Sunny
31.3°F/29.7°F
12/9
Tuesday
Partly Cloudy
34.7°F/28°F
12/10
Wednesday
Blizzard
35.5°F/29.9°F
12/11
Thursday
Partly Cloudy
31.4°F/19.8°F
12/12
Friday
Partly Cloudy
25.4°F/16.8°F
12/13
Saturday
Blowing snow
29.8°F/18.1°F
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