Spring (March–May): Average -32–51°F, climate transitioning from cold to mild, moderate rainfall. Common activities: Outdoor walks, enjoying spring scenery. Recommended clothing: Warm jacket, sweater, waterproof jacket.
Summer (June–August): Average 62–66°F, warm and comfortable climate, moderate rainfall. Common activities: Outdoor activities, swimming, hiking. Recommended clothing: Light and breathable clothing, short sleeves, sun hat.
Autumn (September–November): Average 44–55°F, cool climate, higher rainfall, especially in October. Common activities: Enjoying autumn scenery, picking activities (such as berries). Recommended clothing: Warm jacket, long-sleeved clothing, waterproof jacket.
Winter (December–February): Average -3.8–-35.4°F, cold climate, low rainfall, mainly snowfall. Common activities: Skiing, ice skating, enjoying winter landscapes. Recommended clothing: Heavy warm jacket, hat, scarf, gloves.
Uusimaa climatological average
Annual average temperature: approx. 44.2°F / Annual rainfall: approx. 441 mm / Summer humidity: 60%–70% / Rainiest month: October
Uusimaa monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
25.2°F
18.7
February
27.5°F
27.9
March
31.6°F
24.1
April
38.5°F
29.3
May
51.4°F
21
June
66.9°F
21.5
July
62.6°F
34.5
August
63°F
57.8
September
55.2°F
50.4
October
44.6°F
59.4
November
36°F
49.4
December
28.6°F
47.5
Uusimaa weather for the next seven days
1/19
Monday
Partly Cloudy
32.7°F/27.4°F
1/20
Tuesday
Overcast
30.1°F/18.6°F
1/21
Wednesday
Light freezing rain
27.4°F/15.8°F
1/22
Thursday
Overcast
29.1°F/21.1°F
1/23
Friday
Light freezing rain
26.8°F/19.9°F
1/24
Saturday
Moderate snow
27.9°F/18.8°F
1/25
Sunday
Light snow
21.5°F/14.7°F
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