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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 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

6/19
Friday
Sunny
17.6°C/12.1°C
6/20
Saturday
Partly Cloudy
22.1°C/12.1°C
6/21
Sunday
Patchy rain nearby
19.1°C/14.1°C
6/22
Monday
Sunny
16.7°C/11.8°C
6/23
Tuesday
Sunny
17.3°C/11.6°C
6/24
Wednesday
Patchy rain nearby
15°C/12.6°C
6/25
Thursday
Patchy rain nearby
17.1°C/12.5°C

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.