Tallinn Weather in August
In August, Tallinn averages a high of 21°C (69°F) and a low of 12°C (54°F), from 55 years of daily records (1971–2026).
21°C
Average high
69°F
12°C
Average low
54°F
33°C
Record high
91°F · August 19, 2022
2°C
Record low
36°F · August 27, 1984
What August Is Like in Tallinn
- 5 of the 10 warmest Augusts on record in Tallinn have come since 2011.
- August in Tallinn has become 1.4°C (2.5°F) warmer on average: the 2011–2025 average against 1970–1989.
- The coldest August reading, 2°C (36°F) on August 27, 1984, has not been matched in 42 years.
- August is the wettest month of the year in Tallinn, averaging 86 mm of rain.
At least 1 mm of rain falls on 34% of August days, and the month averages 86 mm in total.
Warmest: 2022 (25.3°C)Latest: 2025 (19.8°C)10-year averageLong-run average (20.5°C)
Look Up a Day in August
See the weather in Tallinn on any August date, year by year.
Source: NOAA GHCN-Daily, Tallinn (1971–2026). Averages cover 1971–2026. How we compute this