Tartu has a temperate continental climate with four distinct seasons and significant temperature swings. Winters are cold and snowy, with lows often below -7°C, while summers are mild to warm, reaching up to 23°C in July. Rain falls year-round, peaking in summer, and sunshine is most abundant from May to August.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Tartu’s climate is shaped by its inland location in southern Estonia, resulting in pronounced seasonal contrasts. Winters (December–February) are cold and often snowy, with average highs around -2°C and lows near -7°C. January and February are the coldest months, sometimes dropping to -24°C during severe cold spells. Snow cover is common, and days are short, with just 1–2 hours of sunshine. Humidity is high in winter, making the cold feel even more intense.
Summers (June–August) are mild to pleasantly warm, with average highs of 20–23°C in July and August, though heatwaves can push temperatures above 30°C. Nights remain cool, and rainfall peaks in June and August, with up to 85 mm per month and around 11–14 rainy days. Sunshine is plentiful in summer, with up to 8–9 hours per day and daylight lasting up to 18 hours in June. Spring (March–May) and autumn (September–November) are transitional, featuring variable weather, moderate rainfall, and rapidly changing temperatures. Spring brings blooming gardens and longer days, while autumn is known for colourful foliage and a gradual return to colder, darker days. Winds are moderate year-round, and humidity remains high, especially in winter and late summer.
| Average climate data for Tartu, Estonia | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | -2 | -2 | 3 | 11 | 17 | 20 | 23 | 21 | 15 | 9 | 2 | -1 | 23 |
| Average minimum temperature (°C) | -7 | -8 | -4 | 1 | 6 | 10 | 12 | 12 | 7 | 3 | -1 | -6 | -8 |
| Average precipitation (mm) | 48 | 35 | 28 | 30 | 55 | 83 | 73 | 85 | 60 | 68 | 53 | 48 | 667 |
| Average rainfall days (days) | 14 | 12 | 11 | 12 | 12 | 13 | 15 | 16 | 16 | 16 | 16 | 16 | 169 |
| Average daily daylight hours (h) | 7 | 9 | 11 | 14 | 16 | 18 | 17 | 15 | 12 | 10 | 7 | 6 | 12 |
| Average daily sunshine hours (h) | 1 | 2 | 4 | 6 | 8 | 8 | 8 | 7 | 4 | 2 | 1 | 0 | 4 |
| Average UV index | 0 | 1 | 1 | 3 | 4 | 5 | 5 | 4 | 3 | 1 | 0 | 0 | 2 |
The best time to visit Tartu is from late May to early September, when temperatures are mild to warm (16–23°C), daylight is long, and the city is lively with festivals and outdoor events. This period offers the most sunshine, blooming gardens, and comfortable conditions for exploring the city and surrounding nature.
The least favourable time to visit is from November to February, when days are shortest, temperatures are coldest (often below freezing), and rain or snow is frequent. Outdoor activities are limited, but the city’s museums and cosy cafés offer refuge from the damp, chilly weather.
Tartu has cold, snowy winters (highs -2°C, lows -7°C) and mild to warm summers (highs 20–23°C). Rain falls year-round, peaking in summer, and the weather can change quickly in spring and autumn.
Yes, snow is common from December to March. Winters are cold and snowy, with snow cover lasting for weeks. Snowfall is lighter in November and April but still possible.
June, August, and October are the wettest months, each with 65–85 mm of rain and 11–14 rainy days. Summer showers are common, but rain can occur in any month.
Tartu enjoys up to 8–9 hours of sunshine per day in June and July, but just 1–2 hours in December and January. Annual sunshine averages around 1,700–1,800 hours.
Pack warm, waterproof layers for winter and spring, and light clothes plus an umbrella for summer. Even in summer, nights are cool. Always bring layers, as weather can change quickly.
Yes, summer and late spring are ideal for outdoor activities, with mild temperatures and long days. Winter is best for snow sports, while spring and autumn offer fewer crowds but more variable weather.
While not a seaside city, Tartu has riverfront areas and nearby lakes with small beaches, especially popular in summer for swimming, sunbathing, and water sports.
The warmest month, with the highest average maximum temperature, is July (22.7 °C). The month with the lowest average maximum temperature is February (-2.1 °C). Overall, the average maximum temperature over the whole year is 9.7 °C.
The month with the highest average minimum temperature is July (12.4 °C). The coldest month, with the lowest average minimum temperature, is February (-8.2 °C). Overall, the average minimum temperature over the whole year is 2.1 °C.
The wettest month, with the highest amount of precipitation, is August (85.1 mm). The driest month, with the least amount of precipitation, is March (28.4 mm). Over the whole year there are 667 mm of rainfall on average.
The month with the most days of rain is September (16.1 days). The month with the fewest days of rain is March (11 days). Over the whole year there are 169.1 days of rain on average.
The month with the longest days, so the most daylight, is June (Average daylight: 18 h). The month with the shortest days, so the least daylight, is December (Average daylight: 6 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is June (Average sunshine: 8.1 h). The month with the least sunshine per day is December (Average sunshine: 0 h). Over the whole year there are 4.3 h of sunlight per day on average.
The months with the highest average UV index are June and July (UV index: 5). The months with the lowest average UV index are January, November and December (UV index: 0). Over the whole year the average UV index is 2.2.
