Monthly climate guide
Tallinn weather in May
May in Tallinn is typically cool, with average daytime highs around 13°C (55°F) and night-time lows near 7°C (44°F). The month usually brings about 48 mm of rain (fairly dry) and is a mix of sun and cloud. Daytime highs are 7°C warmer than April and 4°C cooler than June.
What stands out in May
- Tallinn is usually about 2°C cooler than Pärnu, 120 km away, in May.
- It's one of the sunniest months here, with cloud cover around 53%.
- Seasonally, May counts as late spring in Tallinn.
- Temperatures are climbing — June is around 5°C warmer.
Avg high
13°C
55°F
Avg low
7°C
44°F
Rainfall
48 mm
fairly dry
Humidity
78%
relative
Sky
53%
cloud · a mix of sun and cloud
Tallinn weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | -2°C / 28°F | -5°C / 22°F | 52 mm | 94% | 89% |
| February | -2°C / 29°F | -6°C / 22°F | 47 mm | 94% | 83% |
| March | 1°C / 34°F | -3°C / 26°F | 37 mm | 89% | 70% |
| April | 7°C / 44°F | 1°C / 34°F | 42 mm | 84% | 63% |
| May | 13°C / 55°F | 7°C / 44°F | 48 mm | 78% | 53% |
| June | 18°C / 64°F | 12°C / 53°F | 65 mm | 77% | 60% |
| July | 21°C / 69°F | 15°C / 59°F | 58 mm | 76% | 62% |
| August | 20°C / 68°F | 15°C / 58°F | 66 mm | 76% | 62% |
| September | 16°C / 61°F | 11°C / 52°F | 58 mm | 82% | 69% |
| October | 9°C / 49°F | 5°C / 42°F | 67 mm | 87% | 79% |
| November | 5°C / 40°F | 2°C / 36°F | 60 mm | 92% | 87% |
| December | 1°C / 35°F | -1°C / 29°F | 59 mm | 93% | 89% |
What to pack for May
- A warm sweater or fleece for layering
- A mid-weight jacket
- A small travel umbrella, just in case
Is May a good time to visit Tallinn?
Compare the months in the chart above to find your ideal window.
Best time to visit Tallinn →Other Estonia cities in May
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Tallinn weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/estonia/tallinn/may
<a href="https://weathercompare.eu/weather/estonia/tallinn/may">Tallinn weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/estonia/tallinn" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Tallinn weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/estonia/tallinn/may">Tallinn weather in May</a> – WeatherCompare</p>
Tallinn in May: quick answers
Is May a good time to visit Tallinn?
May is a reasonable time for Tallinn: highs around 13°C and about 48 mm of rain, though not one of the three best months.
How warm is Tallinn in May?
Average highs are about 13°C (55°F) and average lows about 7°C (44°F), based on 10 years of daily data.
Does it rain a lot in Tallinn in May?
Tallinn typically gets around 48 mm of rain in May — fairly dry.
Figures are long-term averages for the area around Tallinn (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.