The average temperature for the week of 23 June 2025 - 29 June 2025 was 17 °C (63 °F) during the day and 10 °C (50 °F) during the night. These temperatures are slightly below the long-time average for Tartu, being 21 °C (70 °F) for daily temperatures and 11 °C (52 °F) for night temperatures. The average temperatures observed during different times of day (based on local time) were as below: 7am 12 °C (54 °F), 10am 15 °C (59 °F), 1pm 16 °C (61 °F), 4pm 17 °C (63 °F), 7pm 16 °C (61 °F), 10pm 13 °C (55 °F).

There were 1 day without rain, 2 days with light rain, 3 days with moderate rain and 1 day with heavy rain during this week. During the whole week, total of 56 mm (2.20 in) of precipitation was observed, which is above the long term average for Tartu, which is 18 mm (0.71 in). On average, the cloud coverage during daylight hours (from dawn to dusk) was 74 %. Meteorologically speaking, fog and mist were observed.

An average wind speed of 4.7 m/s was recorded. The most common wind direction(s) were West and South-West. The air pressure was 985 hpa - 1016 hpa. The air in Tartu had an average humidity of 71 %.

During the daytime (from dawn to dusk), there were in average: 3 hours clear skies, 1.5 hours partially overcast skies, 10 hours overcast skies and 4 hours rainy weather. On average, the time of sunrise was 04:07, and the time of sunset was 22:24.

Weather overview

The city of Tartu in Estonia boasts a temperate continental climate characterized by considerable seasonal variation. In the heart of winter, day temperatures can drop to an average low of -2 °C (28 °F), while during the height of summer, they can soar to an average high of 23 °C (73 °F). Nighttime brings a chill with temperatures ranging from a frigid -8 °C (17 °F) in February to a more temperate 13 °C (56 °F) in July. Out of all the months, April exemplifies aridity with a mere 8 days of precipitation, whereas August contrasts as the wettest month with 12 days of rainfall. Inhabitants and visitors alike experience a dynamic kaleidoscope of weather patterns, including variations in wind speed, humidity levels, sunshine hours, and precipitation throughout the year, all contributing to Tartu's diverse climate.

January weather

In Tartu, the minimum daytime temperature hovers around -2 °C (28 °F), while the night temperature dips to an average low of -7 °C (19 °F). The incremental increase in sunlight hours, marked at 1 hour, signals the start of brighter days. The wind speed reaches its peak this month, averaging 3.

February weather

The decline in the number of rainy days to 10 days in Tartu points to a transition as does the decrease in rainfall, registering at 32 mm (1.25 in). February also marks the coldest nighttime temperatures. A further increase in cloud-free sunshine hours to 2 hours is noted.

March weather

A noticeable reduction in rainy days to 9 days accompanies the onset of milder weather in Tartu, with day temperatures rising to 3 °C (37 °F), and the night temperatures following suit at -4 °C (24 °F). The trend of increasing sunlight continues, now at 4 hours.

April weather

April in Tartu brings a further temperature rise, with daytime warmth at 10 °C (50 °F) and nighttime also warming. The month is distinguished by minimal rainfall at 29 mm (1.15 in) and the sparsest rain days, noted as 8 days. Expanding sunlight hours reach 6 hours.

May weather

May in Tartu is characterized by a rise in the day temperature to an average of 17 °C (62 °F) and, similarly, the night temperature to 7 °C (44 °F). Noteworthy, too, is the initial increase in rainy days to 9 days and rainfall quantity at 53 mm (2.07 in). The least humidity of the year can be observed, with a value of 68 %.

June weather

With the advent of summer, Tartu experiences a rise in day temperatures to 20 °C (67 °F) and night temperatures to 10 °C (50 °F), while precipitation levels also see an increase to 78 mm (3.07 in). The sun graces the sky for a maximum of 9 hours signifying a peak in daylight.

July weather

The ongoing tourist season benefits from the highest day temperatures, averaging 23 °C (73 °F), and warm nights at 13 °C (56 °F). A lesser rainfall amount is noted, and the wind speed hits its annual low at 2 in Tartu.

August weather

Tourism in Tartu continues through August, although a slight downturn in temperatures is seen with days at 21 °C (70 °F) and nights at 12 °C (53 °F). The month also witnesses the highest rainfall levels and rain days of the year.

September weather

September in Tartu heralds a downturn in temperatures with daytime averages at 15 °C (59 °F) and nighttime averages at 8 °C (46 °F). A reduction in rainy days begins, matched with a dip in total rainfall. Shorter sunny periods are observable as well, with sunlight hours at 5 hours.

October weather

With the approach of winter, October sees a continued decline in temperatures with daytime averages at 9 °C (48 °F) and nights cooling to 3 °C (38 °F). The frequency of rainy days increases slightly, and fewer sunny intervals are noted with sunlight hours at 3 hours.

November weather

November in Tartu is characterized by a further temperature drop to an average of 3 °C (37 °F) during the day and -1 °C (29 °F) at night. Rainfall sees a decrease, while daylight hours are minimally present, amounting to just 1 hour.

December weather

Tartu’s climate in December features a further decrease in both day and night temperatures, with nightly averages descending to -6 °C (22 °F). Rainfall amounts also diminish, while sunshine is seldom, reaching a minimal 1 hour.

What are Tartu's average daytime and nighttime temperatures in January?

In January, Tartu experiences average daytime temperatures of -2 °C (28 °F), while the nighttime temperatures fall to an average of -7 °C (19 °F).

How does the number of rainy days in Tartu change in February?

The frequency of rainy days in Tartu decreases to an average of 10 days in February.

What alterations occur in Tartu's daylight hours and temperatures during March?

March sees an extension in daylight hours to 4 hours, alongside a warming trend with day temperatures reaching 3 °C (37 °F) and night temperatures averaging -4 °C (24 °F).

How do rainfall and temperature trends evolve in Tartu during April?

April witnesses reduced rainfall with just 29 mm (1.15 in) and fewer rainy days, tallying up to 8 days, coupled with an increase in average temperatures during both day and night.

What can be expected of Tartu's climate in May?

In May, one can anticipate warmer days and nights in Tartu, with temperatures averaging 17 °C (62 °F) during the day and 7 °C (44 °F) at night, alongside a modest increase in precipitation.

How does Tartu's weather transition with the start of summer in June?

June ushers in summer in Tartu, with longer, sunnier days peaking at 9 hours and warmer temperatures that average 20 °C (67 °F) during daytime and 10 °C (50 °F) at night.

How do the climatic conditions influence tourism in Tartu in July?

July’s optimal climatic conditions, with peak daytime temperatures of 23 °C (73 °F) and mild nighttime temperatures, render it an ideal time for tourism in Tartu.

How does Tartu's weather appear to tourists in August?

Tourists in August will encounter warm but not extreme conditions, with temperatures averaging 21 °C (70 °F) during the day and 12 °C (53 °F) at night, alongside the most plentiful rainfall of the year.

What shifts are observed in Tartu's weather as autumn approaches in September?

As autumn approaches, Tartu experiences cooler temperatures and diminishing rainfall, alongside a reduction in daylight hours to 5 hours.

What changes does October bring to Tartu's climate?

October in Tartu is marked by chillier days averaging 9 °C (48 °F) and colder nights, as well as an uptick in rainy days and reduced incidents of sunlight to 3 hours.

How does the weather change in Tartu as winter draws near in November?

November's climate in Tartu transitions towards winter with cooler day and night temperatures, a decline in rainfall, and scarce instances of sunlight, averaging only 1 hour.

What are typical weather conditions in Tartu as the year ends in December?

December sees Tartu in the grasp of winter, with even lower temperatures, reduced rainfall, and minimal sunlight hours, setting the stage for the chilly end of the year.