Climate averages 1991–2020
Tartu weather
in May.
A mild, moderately wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Tartu: daytime highs average 15.6°C and nights cool to about 6.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 53 mm of rain on roughly 11 days, which makes May a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 45 min on an average May day.
The nearest other city in this atlas is Pskov (113 km away). In May its highs average 16.2°C, 0.6°C warmer than Tartu, with 60 mm of rain.
Among the 2 cities listed in Estonia, Tartu ranks 1st of 2 for the warmest May highs and 2nd of 2 for the driest May (rainfall, lowest first). The mean May high of those 2 cities is 15.1°C; Tartu is 0.5°C warmer than that mean.
From May to June, average highs rise by 3.8°C to 19.4°C, and monthly rainfall rises from 53 mm to 84 mm.
The annual picture
May in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tartu climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.2°C-6.3°C | -6.3°C | 40 | 10.4 | 7.27 h |
| February | -2.3°C-7.2°C | -7.2°C | 36 | 8.9 | 9.39 h |
| March | 2.3°C-4.1°C | -4.1°C | 35 | 9.0 | 11.812 h |
| April | 9.7°C1.3°C | 1.3°C | 39 | 9.6 | 14.414 h |
| May, selected | 15.6°C6.9°C | 6.9°C | 53 | 10.6 | 16.717 h |
| June | 19.4°C11.6°C | 11.6°C | 84 | 13.1 | 18.218 h |
| July | 21.9°C14.4°C | 14.4°C | 68 | 12.3 | 17.518 h |
| August | 20.6°C13.5°C | 13.5°C | 75 | 12.8 | 15.415 h |
| September | 15.4°C9.3°C | 9.3°C | 50 | 10.3 | 12.913 h |
| October | 8.6°C4.0°C | 4.0°C | 58 | 11.2 | 10.310 h |
| November | 2.9°C-0.4°C | -0.4°C | 50 | 10.7 | 7.98 h |
| December | -0.4°C-3.9°C | -3.9°C | 44 | 10.8 | 6.57 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Pskov in MayRussia · 113 kmHigh 16.2°C · Low 7.7°C · 60 mm rain
- Tallinn in MayEstonia · 163 kmHigh 14.6°C · Low 6.1°C · 41 mm rain
- Riga in MayLatvia · 223 kmHigh 16.4°C · Low 7.8°C · 52 mm rain
- Helsinki in MayFinland · 223 kmHigh 13.1°C · Low 6.0°C · 44 mm rain
- Vantaa in MayFinland · 233 kmHigh 14.8°C · Low 5.9°C · 44 mm rain
- Espoo in MayFinland · 235 kmHigh 12.9°C · Low 6.2°C · 43 mm rain
- Gatchina in MayRussia · 236 kmHigh 15.0°C · Low 5.4°C · 57 mm rain
- Peterhof in MayRussia · 246 kmHigh 13.5°C · Low 6.4°C · 48 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tartu) is explained once on the Tartu year overview and on the Sources, method and limits page.