Temperature
Cold by day, freezing at night.
Good sunshine. Cold weather is the main drawback.
Cold by day, freezing at night.
Some precipitation is expected this month.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In April, afternoons feel about 36° and nights feel near 27°.
Partly cloudy skies this month.
Breezy April days can feel brisker in open spots.
April late afternoons are around 45°F, easing to about 43°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 29 | 22 | 1.8 | 12 | 0.8 | 88 |
| Feb | 29 | 21 | 1.4 | 10 | 2.0 | 86 |
| Mar | 35 | 25 | 1.2 | 8 | 4.1 | 80 |
| Apr | 46 | 34 | 1.4 | 9 | 6.2 | 74 |
| May | 56 | 42 | 1.6 | 9 | 8.9 | 70 |
| Jun | 64 | 51 | 2.7 | 11 | 10.1 | 74 |
| Jul | 70 | 58 | 3.0 | 13 | 9.0 | 76 |
| Aug | 68 | 56 | 3.1 | 13 | 7.4 | 78 |
| Sep | 60 | 49 | 2.3 | 11 | 4.7 | 81 |
| Oct | 49 | 41 | 2.6 | 13 | 3.0 | 84 |
| Nov | 40 | 34 | 2.1 | 12 | 1.0 | 88 |
| Dec | 34 | 28 | 2.0 | 12 | 0.6 | 88 |
Similar climates
Want a side-by-side climate view? Compare Tallinn with Oslo.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology