Tallinn · Estonia · 1995–2024 averages
Tallinn weather, month by month. July is the pick.
Thirty years of averages for Tallinn, Estonia — how hot it really feels, when the rain arrives, and what the air is like. July comes out on top; November is the one to skip.
The year at a glance
Tap a month for its full breakdown.
July
bestscore 79.8/100Mild, sticky and some rain, with clean air.
- Feels like
- 21°
- mild
- Real temp
- 22°
- mild
- Humidity
- 74%
- sticky
- Rain
- 78mm
- some rain
- Cloud cover
- 56%
- mixed
- Air quality
- 32
- clean
- Daylight
- 17.8h
- long days
Month by month, metric by metric
Each strip covers the same twelve months, so you can see where the rain lands and how the air shifts with it.
Feels like
peaks at 21° in July
Real temp
-2–22° in the shade across the year
Humidity
69% at its driest, 87% at its most oppressive
Rain
78mm in July, 32mm in March
Cloud cover
53% at its clearest, 85% at its greyest
Air quality
worst in March, cleanest in July
Daylight
6.2h to 18.5h of daylight across the year
Tallinn's air, month by month
The air is at its worst in March at 43 AQI (clean), and at its cleanest in July at 32 (clean). The dirtiest months here are also the driest.
Every month in full
All twelve months, all seven measures.
| Month | Feels like | Real temp | Humidity | Rain | Cloud cover | Air quality | Daylight |
|---|---|---|---|---|---|---|---|
| January | -7° freezing | -2° freezing | 87% soupy | 46mm dryish | 85% overcast | 40 clean | 7h dark |
| February | -6° freezing | -2° freezing | 86% soupy | 39mm dryish | 81% grey | 42 clean | 9.2h short |
| March | -3° freezing | 2° freezing | 81% sweaty | 32mm dryish | 65% mixed | 43 clean | 11.8h shortish |
| April | 5° cold | 9° cold | 75% sweaty | 37mm dryish | 60% mixed | 39 clean | 14.5h long days |
| May | 12° cold | 15° cool | 69% sticky | 44mm dryish | 53% bright | 36 clean | 17h long days |
| June | 18° cool | 19° cool | 72% sticky | 69mm dryish | 56% mixed | 35 clean | 18.5h long days |
| July | 21° mild | 22° mild | 74% sticky | 78mm some rain | 56% mixed | 32 clean | 17.8h long days |
| August | 20° cool | 21° mild | 77% sweaty | 78mm some rain | 59% mixed | 33 clean | 15.5h long days |
| September | 13° cold | 16° cool | 80% sweaty | 58mm dryish | 65% mixed | 34 clean | 12.8h even |
| October | 6° cold | 9° cold | 84% sweaty | 66mm dryish | 75% grey | 33 clean | 10.2h shortish |
| November | 0° freezing | 4° freezing | 87% soupy | 57mm dryish | 84% grey | 37 clean | 7.7h dark |
| December | -5° freezing | 0° freezing | 87% soupy | 51mm dryish | 84% grey | 39 clean | 6.2h dark |
Tallinn weather questions
- What is the best time to visit Tallinn?
- July scores best across temperature, rain, humidity and air quality — 21° feels-like, 78mm of rain and 74% humidity. November is the month to avoid: 57mm of rain and 37 AQI.
- How hot does Tallinn get?
- July is the peak, at 21° feels-like (22° in the shade) — mild. Even in July it reaches 21°.
- When is the rainy season in Tallinn?
- July is the wettest month at 78mm, and March the driest at just 32mm.
- Is air quality a problem in Tallinn?
- March is the worst month at 43 AQI (clean), and July the best at 32 (clean).
Weather normals from Open-Meteo (ERA5 reanalysis, 1995–2024) and CAMS air quality (2015–2024), licensed CC-BY-4.0. Contains modified Copernicus Climate Change Service information. These are long-run averages, not forecasts — any given year will differ.
Going in July? You won't be the only one.
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