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Harju

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Harju Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Harju year round climate

  • Spring (March–May): Average 33–51°F, 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 61–65°F, 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 46–56°F, 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–-33.6°F, 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. 44.6°F / Annual rainfall: approx. 513 mm / Summer humidity: 60%–70% / Rainiest month: January

Harju monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
26.6°F
64
February
30.4°F
45.1
March
33.8°F
31.7
April
40.5°F
39.3
May
52.2°F
18.3
June
61.7°F
18.5
July
63.7°F
39.6
August
65.3°F
44.2
September
56.5°F
55.9
October
46°F
49.9
November
37°F
49.3
December
29.5°F
57.5

Harju weather for the next seven days

12/18
Thursday
Overcast
39°F/37°F
12/19
Friday
Patchy rain nearby
43.3°F/41.8°F
12/20
Saturday
Patchy rain nearby
43.3°F/41.8°F
12/21
Sunday
Partly Cloudy
40.1°F/37.2°F
12/22
Monday
Partly Cloudy
36.9°F/35.6°F
12/23
Tuesday
Patchy rain nearby
35.7°F/33.6°F
12/24
Wednesday
Blizzard
30.9°F/27°F

Harju Frequently Asked Questions and Useful Information for Travel

Is it safe to travel to Harju right now?

Yes, it is generally safe to travel to Harju. Travelers should exercise normal precautions, as petty crime like pickpocketing can occur in crowded tourist areas, particularly in Tallinn's Old Town. While there is a global risk of terrorism, Estonia has a low risk of crime and no significant homegrown terrorist threats. Stay aware of your surroundings, keep valuables secure, and avoid deserted areas at night.

Which country is Harju located in?

Harju County is a region in Estonia, located in the northern part of the country. It is home to Estonia's capital city, Tallinn.

What is the best month to visit Harju?

May and September are the best months to visit Harju for mild temperatures and fewer crowds. While summer offers the best weather, it is also the peak tourist season.

Can a US citizen travel to Harju?

Yes, U.S. citizens can travel to Harju for short stays (up to 90 days within a 180-day period) for tourism or business without a visa, provided they have a valid passport. For longer stays, a visa is required. U.S. citizens should also be aware of the upcoming ETIAS authorization requirement for entering the Schengen area, which includes Estonia.

What are some safety considerations for Harju?

In Harju, be aware of potential pickpocketing and theft in busy areas like Tallinn's Old Town and transport hubs. While the threat is low, stay informed about global security. Exercise caution with drink-spiking in bars and casinos and be careful when using credit cards to avoid fraud.