Tallinn weather by month & the best time to visit
Estonia · seaside town · continental climate
The best time to visit Tallinn is July — its sunniest month (Sunshine Score 76/100), with August close behind. Tallinn averages about 1,693 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 65 mm of rain in July.
When is the best time to visit Tallinn?
For sunshine, the best time to visit Tallinn is July, then August. The dullest month is January (0/100, 52 mm of rain). The full month-by-month picture is in the table below.
How sunny is Tallinn?
Tallinn isn't a sunny place by world standards: about 1,693 hours of sunshine a year. 76 Sunshine Score points separate July (76) from January (0), so the month you pick matters. It ranks #3 of 5 destinations in Estonia for annual sunshine, right at the national median of 1,693 hours. The year's 684 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -2° / 28°F | -6° / 21°F | 52 mm | 0 | 1° / 34°F |
| February | 0 | -3° / 27°F | -7° / 19°F | 42 mm | 0 | 0° / 32°F |
| March | 0 | 0° / 32°F | -4° / 25°F | 40 mm | 1 | 1° / 34°F |
| April | 0 | 6° / 43°F | 1° / 34°F | 40 mm | 2 | 3° / 37°F |
| May | 33 | 13° / 55°F | 6° / 43°F | 48 mm | 4 | 9° / 48°F |
| June | 56 | 17° / 63°F | 11° / 52°F | 72 mm | 4 | 16° / 61°F |
| July | 76 | 21° / 70°F | 15° / 59°F | 65 mm | 4 | 20° / 68°F |
| August | 75 | 20° / 68°F | 15° / 59°F | 72 mm | 3 | 20° / 68°F |
| September | 45 | 15° / 59°F | 11° / 52°F | 57 mm | 2 | 18° / 64°F |
| October | 6 | 9° / 48°F | 5° / 41°F | 71 mm | 1 | 13° / 55°F |
| November | 0 | 4° / 39°F | 1° / 34°F | 68 mm | 0 | 9° / 48°F |
| December | 0 | 0° / 32°F | -3° / 27°F | 57 mm | 0 | 6° / 43°F |
Sea temperature in Tallinn by month
The sea off Tallinn is warmest in July at around 20°C / 68°F, and coolest in February at 0°C / 32°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Tallinn compares month by month: Tallinn vs St. Petersburg · Tallinn vs Stockholm · Tallinn vs Helsinki (Vantaa) · Tallinn vs Riga · all comparisons
Tallinn: questions and answers
What kind of destination is Tallinn?
Tallinn is a seaside town in Estonia with a continental climate — the sea reaches 20°C at its warmest.
How many hours of sunshine does Tallinn get a year?
Tallinn gets about 1,693 hours of sunshine a year, at its best around July.
When is the best time to visit Tallinn?
The sunniest time to visit Tallinn is July, when the Sunshine Score peaks at 76/100 (with August close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Tallinn?
January is the least sunny month in Tallinn, scoring 0/100 with about 52 mm of rain.
What is the sea temperature in Tallinn?
The sea in Tallinn ranges from about 0°C (February) to 20°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Tallinn?
The typical midday UV index in Tallinn peaks around 4 (moderate) in May, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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