Tallinn Weather
A month-by-month look at temperature, rainfall and what to pack in Tallinn. The annual average is 9°C high / 2°C low — hottest in July (best of summer) (22°C) and coldest in February (-8°C).
Tallinn Weather at a Glance
As of 2026A quick summary of Tallinn's year-round climate and the best time to visit.
- Annual average
- 9° / 2°
- Best time to visit
- June (white nights begin), July (best of summer), August (end of summer)
- Hottest month
- July (best of summer) (22°C)
- Coldest month
- February (-8°C)
- Wettest month
- August (end of summer) (85mm)
- Driest month
- March (30mm)
As of 2026, Tallinn's weather averages 9°C high / 2°C low across the year, and the best time to visit for stable temperatures, rainfall and crowds is June (white nights begin), July (best of summer), August (end of summer). The hottest month is July (best of summer) (22°C), the coldest is February (-8°C), and the wettest is August (end of summer) (85mm).
Best Time to Visit Tallinn
Tallinn Weather Month by Month
Tap any month for a detailed guide with what to wear, sunrise/sunset and air quality.
| Month | High/Low | Rain | Rainy days | Crowds | |
|---|---|---|---|---|---|
| January | -2° / -7° | 50mm | 11 | Quiet | Details → |
| February | -2° / -8° | 35mm | 9 | Quiet | Details → |
| March | 2° / -4° | 30mm | 7 | Quiet | Details → |
| April | 8° / 1° | 35mm | 8 | Moderate | Details → |
| May | 14° / 5° | 35mm | 8 | Busy | Details → |
| June (white nights begin) | 19° / 9° | 50mm | 9 | Very busy | Details → |
| July (best of summer) | 22° / 13° | 75mm | 11 | Very busy | Details → |
| August (end of summer) | 21° / 12° | 85mm | 12 | Very busy | Details → |
| September | 16° / 8° | 60mm | 11 | Moderate | Details → |
| October | 9° / 4° | 75mm | 12 | Quiet | Details → |
| November | 4° / 0° | 70mm | 12 | Quiet | Details → |
| December (deep winter, Christmas) | -1° / -4° | 50mm | 11 | Busy | Details → |
What to Wear in Tallinn by Season
Spring begins. A light down jacket.
Summer. Short sleeves and shorts.
Autumn. A light down jacket.
Deep winter.
Tallinn Weather FAQ
What is the best time to visit Tallinn? +
For weather, June (white nights begin), July (best of summer), August (end of summer) are the most comfortable months. Highs sit around 19°C with relatively stable rainfall and crowds.
What are the hottest and coldest months in Tallinn? +
The hottest month is July (best of summer) with an average high of 22°C, and the coldest is February with an average low of -8°C. The annual average is 9°C high / 2°C low.
When does it rain most in Tallinn? +
The wettest month is August (end of summer) (85mm over about 12 rainy days) and the driest is March (30mm). Total annual rainfall is roughly 650mm.
What should I pack for Tallinn? +
Spring (Mar–May) averages 8/1°C — Spring begins. A light down jacket. Summer (Jun–Aug) averages 21/11°C — Summer. Short sleeves and shorts. Autumn (Sep–Nov) averages 10/4°C — Autumn. A light down jacket. Winter (Dec–Feb) averages -2/-6°C — Deep winter.
What is the weather in Tallinn this month (June (white nights begin))? +
June (white nights begin) averages 19°C high / 9°C low with 50mm rainfall over about 9 rainy days. Crowds are very busy and prices are high.
Keep Planning Your Tallinn Trip
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.