Capital city in Harju County, Estonia
Tallinn weather by month and the best time to visit
When to go to Tallinn
May–Sep is mild with long evenings (white nights in June); Dec has Christmas markets but 6 h of daylight. Jan–Feb is cold and snowy.
Tallinn weather by month
Average daily high, rainfall and conditions.
- Jan-2°52 mm
- Feb-3°42 mm
- Mar1°40 mm
- Apr6°40 mm
- May13°48 mm
- Jun17°72 mm
- Jul21°65 mm
- Aug20°72 mm
- Sep16°57 mm
- Oct9°71 mm
- Nov4°68 mm
- Dec0°57 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | -2°C28°F | -6°C22°F | 52 mm | 94% | Freezing |
| February | -3°C27°F | -7°C20°F | 42 mm | 94% | Freezing |
| March | 1°C33°F | -4°C25°F | 40 mm | 90% | Freezing |
| April | 6°C44°F | 1°C34°F | 40 mm | 84% | Cold |
| May | 13°C55°F | 6°C44°F | 48 mm | 79% | Cool |
| June | 17°C63°F | 12°C53°F | 72 mm | 77% | Cool |
| July | 21°C70°F | 16°C60°F | 65 mm | 77% | Pleasant |
| August | 20°C69°F | 15°C59°F | 72 mm | 77% | Pleasant |
| September | 16°C60°F | 11°C52°F | 57 mm | 82% | Cool |
| October | 9°C48°F | 5°C41°F | 71 mm | 87% | Cold |
| November | 4°C39°F | 1°C34°F | 68 mm | 91% | Cold |
| December | 0°C33°F | -3°C27°F | 57 mm | 93% | Freezing |
Best months across Estonia
Quick answers
What is the best month to visit Tallinn?
May–Sep. May–Sep is mild with long evenings (white nights in June); Dec has Christmas markets but 6 h of daylight. Jan–Feb is cold and snowy.
When is the rainy season in Tallinn?
Rain peaks in June with about 72 mm. No month averages 150 mm or more.
What is the hottest month in Tallinn?
July, with average highs of 21°C (70°F).
How cold does Tallinn get?
The coolest nights are in February, averaging -7°C (20°F).
More about Tallinn
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Sources
- NASA POWER climatology (2001–2020)
- Visit Tallinn
- Tallinn Airport
- Tallinn public transport
- North Estonia Medical Centre
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.