Historical Weather in Tallinn, Estonia
See 55+ years of weather history for any date in Tallinn going back to 1970.
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Monthly Climate Averages
Historical temperature and precipitation averages for Tallinn, Estonia, based on 55+ years of weather data.
Temperatures shown in Celsius with Fahrenheit in parentheses. Rainfall in millimetres, snowfall in centimetres.
Tallinn Weather by Month
January in Tallinn has become 1.6°C (2.9°F) warmer on average: the 2012–2026 average against 1970–1989.
February in Tallinn has become 3.2°C (5.8°F) warmer on average: the 2012–2026 average against 1970–1989.
March 2026 was the warmest March in 56 years of records, 5.2°C (9.3°F) above the long-run average.
April in Tallinn has become 1.4°C (2.5°F) warmer on average: the 2012–2026 average against 1970–1989.
May is the least predictable month in Tallinn: daytime highs vary more from day to day and year to year than in any other month.
6 of the 10 warmest Junes on record in Tallinn have come since 2012.
The July heat record, 34°C (94°F) on July 30, 1994, has stood for 32 years.
5 of the 10 warmest Augusts on record in Tallinn have come since 2011.
Tallinn's hottest September day on record is a recent one: 28°C (83°F) on September 4, 2024.
The October heat record, 22°C (71°F) on October 2, 1981, has stood for 45 years.
November in Tallinn has become 2.0°C (3.6°F) warmer on average: the 2011–2025 average against 1970–1989.
December in Tallinn has become 2.3°C (4.2°F) warmer on average: the 2011–2025 average against 1970–1989.
Source: NOAA GHCN-Daily, Tallinn (1971–2026). Records through 2026.