Spring (March–May): Average 1–11°C, cold and humid climate with frequent rainfall, especially in March. Warmer temperatures arrive gradually starting in April. Common activities: Outdoor hiking, visiting museums or art galleries. Recommended clothing: Warm jacket, waterproof clothing, comfortable shoes.
Summer (June–August): Average 16.5–18.5°C, mild climate with occasional rainfall, generally drier. Common activities: Outdoor picnics, cycling, forest walks. Recommended clothing: Light and breathable clothing, light jacket.
Autumn (September–November): Average 7.8–13.6°C, cool climate with more rainfall, especially in September and November. Common activities: Viewing autumn leaves (if applicable), visiting local cultural attractions. Recommended clothing: Warm jacket, waterproof clothing, comfortable shoes.
Winter (December–February): Average -3–-0.9°C, cold climate with higher probability of snowfall, with the most rainfall in January. Common activities: Indoor activities, skiing (depending on conditions). Recommended clothing: Heavy warm coat, scarf, hat, gloves.
Harju climatological average
Annual average temperature: approx. 7°C / Annual rainfall: approx. 513 mm / Summer humidity: 60%–70% / Rainiest month: January
Harju monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-3°C
64
February
-0.9°C
45.1
March
1°C
31.7
April
4.7°C
39.3
May
11.2°C
18.3
June
16.5°C
18.5
July
17.6°C
39.6
August
18.5°C
44.2
September
13.6°C
55.9
October
7.8°C
49.9
November
2.8°C
49.3
December
-1.4°C
57.5
Harju weather for the next seven days
11/2
Sunday
Patchy rain nearby
8.6°C/5.6°C
11/3
Monday
Overcast
9.6°C/7.1°C
11/4
Tuesday
Patchy rain nearby
9.9°C/6.2°C
11/5
Wednesday
Patchy rain nearby
10.9°C/9.8°C
11/6
Thursday
Cloudy
10°C/7.7°C
11/7
Friday
Patchy rain nearby
10.8°C/7.6°C
11/8
Saturday
Overcast
9.1°C/7.2°C
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