Quick decision
When to visit Tallinn?
🌞 Best time overall
June
🌡️ Optimal temperature
12°C–20°C in June
🌧 Least rain
37% rainy days in June
🌧 Wettest month
January (46%)
📅 Best score
7.7/10
By trip type
Best time by type of trip
Medieval Old TownMay–September — ramparts, Toompea and hidden passages.
Tech & InnovationYear-round — Telliskivi, startups and e-residency.
Christmas MarketDecember — Raekoja plats, mulled wine and medieval atmosphere.
Nordic FoodYear-round — renewed Estonian cuisine, Rataskaevu and Telliskivi.
Monthly climate data
Tallinn weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | -3°C | 1°C | 46% | 1.9 | 0.2h | 1.1/10 |
| 🌨️ February | -3°C | 1°C | 41% | 1.7 | 1.7h | 1.8/10 |
| 🌨️ March | -2°C | 4°C | 34% | 1.2 | 7.8h | 4.1/10 |
| 🌫️ April | 1°C | 8°C | 34% | 1.5 | 12.0h | 5.6/10 |
| ⛅ May | 6°C | 15°C | 26% | 1.5 | 15.0h | 7.3/10 |
| 🌤️ June | 12°C | 20°C | 37% | 2.4 | 16.3h | 7.7/10 |
| 🌦️ July | 14°C | 21°C | 47% | 3.0 | 15.0h | 7.6/10 |
| 🌦️ August | 14°C | 20°C | 50% | 3.2 | 12.6h | 7.2/10 |
| 🌦️ September | 11°C | 16°C | 41% | 2.2 | 9.6h | 7.0/10 |
| 🌦️ October | 6°C | 10°C | 46% | 2.4 | 5.3h | 4.0/10 |
| 🌦️ November | 2°C | 5°C | 48% | 2.2 | 0.8h | 1.1/10 |
| 🌨️ December | -2°C | 2°C | 46% | 1.8 | 0.0h | 1.1/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 9°C, 31% rainy days, 11.6h sunshine/day. Score: 5.7/10.
☀️ Summer (Jun–Aug) — Good time
Average 20°C, 45% rainy days, 14.6h sunshine/day. Score: 7.5/10.
🍂 Autumn (Sep–Nov) — Challenging climate
Average 10°C, 45% rainy days, 5.2h sunshine/day. Score: 4.0/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 1°C, 44% rainy days, 0.6h sunshine/day. Score: 1.3/10.
Accommodation
Find a place to stay in Tallinn
Check availability during the recommended period
Tip : off-peak months (January, February) are cheapest but weather is significantly worse.
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Activities and tours in Tallinn
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
June is ideal with 37% rainy days and 20°C.
January is the wettest month with 46% rainy days.
Yes, June is the best month with an average of 20°C.
In winter, the average score is 1.3/10. Difficult period — prefer the peak season.
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