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Best time to visit · Estonia
June – August are the best time to visit Tallinn on the climate data: August scores 85/100, with highs around 68°F (20°C) and 2.8 in (72 mm) of rain. May and September are good shoulder-season months. The toughest months are November – January, mainly because of cool days.
Highs run from 27°F to 70°F across the year, and the yearly total is about 26.9 in (684 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 28°F-2°C | 27°F-3°C | 33°F1°C | 44°F6°C | 55°F13°C | 63°F17°C | 70°F21°C | 68°F20°C | 60°F16°C | 48°F9°C | 39°F4°C | 33°F0°C |
| Avg low | 22°F-6°C | 20°F-7°C | 25°F-4°C | 33°F1°C | 44°F6°C | 53°F11°C | 60°F16°C | 59°F15°C | 51°F11°C | 41°F5°C | 34°F1°C | 27°F-3°C |
| Rain/snow | 2.0 in52 mm | 1.7 in42 mm | 1.6 in40 mm | 1.6 in40 mm | 1.9 in48 mm | 2.8 in72 mm | 2.6 in65 mm | 2.8 in72 mm | 2.2 in57 mm | 2.8 in71 mm | 2.7 in68 mm | 2.2 in57 mm |
| Humidity | 94% | 94% | 90% | 84% | 79% | 77% | 77% | 77% | 82% | 87% | 91% | 93% |
| Cloud | 89% | 84% | 72% | 62% | 54% | 61% | 61% | 64% | 70% | 80% | 88% | 89% |
| Comfort | 39 | 42 | 46 | 55 | 75 | 83 | 81 | 85 | 77 | 52 | 37 | 38 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 27 m (89 ft), close to Tallinn's own ~29 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 27–33°F (-3–0°C) and lows down to 20°F (-7°C). About 5.9 in (151 mm) of rain or snow falls across these months, 22% of the year's total. December – February are cold enough for snow. It holds the toughest stretch on our comfort score (December & January), averaging 40/100.
Temperatures climb through the season, from 33°F highs in March to 55°F by May. It's the driest season, with only about 5.0 in (128 mm) of rain or snow, 19% of the year's total. March is cold enough for snow. May score well without being the very best (season average 59/100).
Peak warmth: highs of 63–70°F (17–21°C). It's the wettest season, with about 8.2 in (209 mm) of rain, 31% of the year's total. Lows bottom out around 53°F (11°C). June – August are among the best-scoring months (season average 83/100).
Temperatures slide from 60°F highs in September to 39°F by November. About 7.7 in (196 mm) of rain falls across these months, 29% of the year's total. Lows bottom out around 34°F (1°C). Comfort scores bottom out in November; the season averages 55/100.
By comfort score: 5 Great, 3 Fair and 4 Tough. Great months: May – September. Tap a month for its own guide.
June – August are the best time to visit Tallinn on the climate data: August scores 85/100, with highs around 68°F (20°C) and 2.8 in (72 mm) of rain. May and September are good shoulder-season months. The toughest months are November – January, mainly because of cool days.
June is the wettest month, averaging about 2.8 in (72 mm) of rain. March is the driest, with about 1.6 in (40 mm). The yearly total is around 26.9 in (684 mm).
February is the coldest, with average lows of 20°F (-7°C) and highs of 27°F (-3°C). The warmest is July, with average highs of 70°F (21°C).
Not very: summer (June – August) humidity averages 77%, and highs peak around 70°F (21°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in December – March, bottoming out around 20°F (-7°C) in February.
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