Tallinn, Estonia - Detailed climate information and monthly weather forecast

Warmest month (with highest average high temperature) is July (21.8°C).
Month with lowest average high temperature is February (-1.6°C).

Average low temperature in January:
-5.8°C
Average low temperature in February:
-7°C
Average low temperature in March:
-4.2°C
Average low temperature in April:
0.6°C
Average low temperature in May:
5.2°C
Average low temperature in June:
9.6°C

Average low temperature in July:
12.7°C
Average low temperature in August:
12°C
Average low temperature in September:
7.8°C
Average low temperature in October:
3.8°C
Average low temperature in November:
-0.8°C
Average low temperature in December:
-4.2°C

Month with highest average low temperature is July (12.7°C).
Coldest month (with lowest average low temperature) is February (-7°C).

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Months with highest relative humidity are January, November and December (88%).
Month with lowest relative humidity is May (69%).

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Wettest month (with highest rainfall) is July (74mm).
Driest month (with lowest rainfall) is April (30mm).

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Average rainfall days in January:
4 days
Average rainfall days in February:
3 days
Average rainfall days in March:
5 days
Average rainfall days in April:
8 days
Average rainfall days in May:
11 days
Average rainfall days in June:
13 days

Average rainfall days in July:
13 days
Average rainfall days in August:
15 days
Average rainfall days in September:
16 days
Average rainfall days in October:
16 days
Average rainfall days in November:
11 days
Average rainfall days in December:
5 days

Months with highest number of rainy days are September and October (16 days).
Month with lowest number of rainy days is February (3 days).

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Average snowfall days in January:
14 days
Average snowfall days in February:
12 days
Average snowfall days in March:
9 days
Average snowfall days in April:
2 days
Average snowfall days in May:
0.1 days
Average snowfall days in June:
0 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0 days
Average snowfall days in October:
1 days
Average snowfall days in November:
6 days
Average snowfall days in December:
11 days

Month with highest number of snowfall days is January (14 days).
Months with lowest number of snowfall days are June, July, August and September (0 days).

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Average sea temperature in January:
2°C
Average sea temperature in February:
1°C
Average sea temperature in March:
1°C
Average sea temperature in April:
2°C
Average sea temperature in May:
4°C
Average sea temperature in June:
10°C

Average sea temperature in July:
15°C
Average sea temperature in August:
17°C
Average sea temperature in September:
14°C
Average sea temperature in October:
10°C
Average sea temperature in November:
7°C
Average sea temperature in December:
3°C

Best month for swimming (with highest average sea temperature) is August (17°C).
Coldest months (with lowest average sea temperature) are February and March (1°C).

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