April Weather in Tartu, Estonia

Last updated: August 21, 2025

April in Tartu, Estonia witnesses variable weather as the city transitions from winter to spring. With temperatures ranging from a minimum of -8°C (18°F) to a maximum of 23°C (73°F), residents can experience a significant temperature swing. The average temperature hovers around 5°C (41°F), indicating the lingering chill of winter. Rainfall is also notable, with 49 mm (1.9 in) of precipitation spread over 12 days, contributing to an 87% humidity level that can make the air feel even cooler. As blossoms begin to bloom and days gradually lengthen, April serves as a vibrant reminder of nature's revival in Tartu.

April Temperature in Tartu

As April arrives in Tartu, Estonia, the transition to spring becomes palpable, with temperatures making a notable leap from the winter chill. The month typically sees minimums around -8°C (18°F), providing a sharp contrast to the biting cold of earlier months, while average temperatures rise to a brisk 5°C (41°F). Daytime can be quite pleasant, with maximum temperatures soaring to a comfortable 23°C (73°F), inviting residents and visitors alike to enjoy the rejuvenating onset of the season. This remarkable shift not only sparks new life in the surrounding landscapes but also encourages outdoor activities as the days grow longer and warmer.

April Weather in Tartu: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Tartu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tartu, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec282732415263646255453829
Data source: Temperature data for Tartu generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Tartu

In April, Tartu, Estonia, experiences a noticeable increase in precipitation, totaling 49 mm (1.9 in) over 12 days. This uptick reflects a gradual trend from the previous months, where rainfall steadily rose from 38 mm in January to 45 mm in March. The spring season kick-starts with a sense of rejuvenation as the city transitions into the warmer months, and April's showers pave the way for May's even higher total of 56 mm (2.2 in). The consistent increase in both precipitation amounts and days of rain underscores the shift in weather patterns, invigorating the landscape and preparing it for the lushness of summer ahead.

April Precipitation Trends in Tartu

The chart displays monthly precipitation patterns in Tartu, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Tartu, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec384245495665657962725454
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Tartu

In April, Tartu experiences a notable shift in humidity, dropping to 87% from the previous month’s 90%. This decline indicates the gradual transition from the damp chill of early spring to more temperate conditions. As the year progresses, humidity levels continue their descent, reaching a more comfortable 73% in May, suggesting that Tartu’s climate is becoming increasingly pleasant as warmer days approach. The trend signifies a gradual easing of moisture in the air, providing a refreshing contrast to the winter months when humidity levels hovered near 95%. Overall, April serves as a pivotal moment, marking the beginning of a more moderate and inviting atmosphere in this Estonian city.

April Average Humidity in Tartu

This chart illustrates the average monthly humidity levels in Tartu, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Tartu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%90%87%73%77%80%84%89%93%93%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Tartu

As April arrives in Tartu, Estonia, the UV Index sees an increase to 4, marking a shift towards moderate exposure levels. This trend is consistent with the gradual ascent from the 1 of January through 3 in March, indicating the approaching warmth of spring. With a burn time of just 30 minutes, it’s essential for residents and visitors alike to take precautions while enjoying outdoor activities. The moderate UV Index, shared with the following month of May, emphasizes the need to stay vigilant as the sun becomes a more potent presence. For further details on the UV Index and safety tips, check out Tartu UV Index.

Maximum UV Index Levels in Tartu for April

The chart shows the monthly maximum UV Index (UVI) for Tartu in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Tartu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Tartu April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Tartu

April in Tartu, Estonia, is a vibrant tapestry of sunshine, where the daylight hours leap dramatically to 337 hours, a delightful surge from the 261 hours experienced in March. This transition marks a significant shift as the city emerges from winter's grasp, signaling the arrival of warmer days and blossoming life. As spring unfolds, the increase not only highlights the growing brightness but also sets the stage for even sunnier May, which boasts an impressive 429 hours. This upward trend through the spring months reflects the promise of rejuvenation, inviting residents and visitors alike to bask in the warmth and beauty of Tartu's awakening landscape.

Monthly Sunshine Duration in Tartu: April Highlighted

The April sunshine duration represents the total number of hours Tartu experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec57h125h261h337h429h463h457h388h295h205h106h57h
Data source: Tartu April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tartu During April

As spring unfolds in Tartu, April emerges as a pivotal month for sunshine seekers, boasting a 39% chance of sunny weather. This marks a significant increase from the dreary winter months, where chances lingered below 12%. Following the leap from March’s 32%, April heralds the arrival of brighter days, setting the stage for a delightful transition into summer. Although May offers a dip back to 32%, the upward trend toward sunnier days continues into June and July, when the likelihood rises to a promising 56%. Thus, April serves as a crucial stepping stone, hinting at the warmer, sun-kissed days that lie ahead.

Percentage of Sunny Days in April in Tartu

The chart illustrates the percentage of sunny days in Tartu throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tartu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec5%12%32%39%32%56%56%24%22%31%17%7%
Data source: Tartu April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tartu in April

As winter fades, April brings a significant increase in daylight hours to Tartu, Estonia, with 14 hours of sunlight enriching the days. This marks a noticeable jump from the 11 hours offered in March, highlighting the gentle transition into spring. The longer days not only brighten the landscape but also invigorate the spirit, inviting residents to embrace outdoor activities and experience nature's rebirth. The trend of increasing daylight continues as spring progresses into May, with daylight reaching a peak of 16 hours. This gradual extension of sunlight is a welcome change, fostering a sense of renewal and vibrant energy as Tartu shakes off the chill of winter.

Average Daylight Hours in Tartu for April

The chart illustrates the variation in daylight duration in Tartu throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 10m9h 19m11h 52m14h 27m16h 49m18h 9m17h 26m15h 16m12h 45m10h 11m7h 48m6h 27m
Data source: Tartu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Tartu

As April unfolds in Tartu, Estonia, the average wind speed settles at a moderate 4.3 m/s (10 mph), creating a brisk yet refreshing atmosphere. Following the steady increase of wind speeds from the previous months—where March reached 4.8 m/s (11 mph)—April's winds bring a slight dip, which is common as spring begins to soften the grip of winter. This transition is reflected in the overall trend of wind speeds, showing a gradual rise from the calmness of winter months, peaking in late autumn before tapering off in the warmer summer season. By the time May rolls around, the winds slow to 4.0 m/s (9 mph), hinting at the gentle breezes that characterize the onset of warmer weather. This seasonal shift enhances Tartu’s charm, inviting residents and visitors alike to embrace the invigorating air while soaking in the beauty of springtime.

Average April Wind Speed in Tartu

The chart displays monthly wind speed patterns in Tartu, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.94.84.3 m/s4.02.93.24.44.45.24.94.4
Data source: Tartu April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Tartu Compares to Other Months

Weather in Tartu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Tartu, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January present a stark contrast in weather conditions. While January experiences colder temperatures, with averages around -2°C (28°F) and a minimum of -20°C (-4°F), April warms up significantly, boasting an average temperature of 5°C (41°F) and a maximum of 23°C (73°F). In terms of precipitation, April sees slightly more rain at 49 mm (1.9 in) over 12 days, compared to January’s 38 mm (1.5 in) over 10 days. Humidity levels also differ, with January being more humid at 95%, compared to April's 87%. For a deeper look at January weather, check out Tartu weather in January.

April's weather showcases a significant transition as temperatures rise, with a minimum of -8°C (18°F) and an average of 5°C (41°F), peaking at a pleasant 23°C (73°F). In contrast, February remains much colder, with temperatures ranging from a minimum of -24°C (-12°F) to an average of -3°C (27°F) and only reaching a maximum of 9°C (48°F). While both months experience precipitation, April has slightly more at 49 mm (1.9 in) over 12 days, compared to February's 42 mm (1.7 in) over 10 days. Humidity levels are also noteworthy, with April at 87% and February slightly higher at 93%. For a deeper look into February’s climate specifics, check out Tartu weather in February.

April brings a noticeable shift in weather compared to March, with temperatures ranging from a chilly minimum of -8°C (18°F) to a comfortable maximum of 23°C (73°F) and an average of 5°C (41°F). In contrast, March starts off much colder, with temperatures dipping as low as -23°C (-8°F) and averaging around 0°C (32°F), peaking at only 13°C (55°F). While both months experience similar levels of precipitation—49 mm (1.9 in) in April compared to 45 mm (1.8 in) in March—they share a consistent number of rainy days at 12. Humidity remains high in both months, with April at 87% and March slightly elevated at 90%. For further details, check out Tartu weather in March.

April weather in Tartu tends to be cool, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 23°C (73°F) and an average of 5°C (41°F). The month is characterized by relatively high humidity at 87% and around 49 mm (1.9 in) of precipitation over 12 days. In contrast, May begins to warm up, featuring a minimum temperature of -3°C (26°F) and a maximum of 27°C (81°F), with an average temperature of 11°C (52°F). Although May sees slightly higher precipitation, accumulating 56 mm (2.2 in) over just 11 days, the humidity drops to a more comfortable 73%. For a detailed overview of May weather in Tartu, you can check Tartu weather in May.

April and June showcase a significant shift in weather conditions. In April, temperatures range from a chilly minimum of -8°C (18°F) to a comfortable maximum of 23°C (73°F), with an average of 5°C (41°F). The month experiences around 49 mm (1.9 in) of precipitation over 12 days, contributing to a high humidity level of 87%. In contrast, June presents warmer temperatures, with a minimum of 3°C (37°F), an average of 17°C (63°F), and a peak of 32°C (89°F). Although June sees a slightly higher average precipitation of 65 mm (2.6 in) over 10 days, humidity levels drop to 77%, creating a more pleasant atmosphere. For a detailed look at June's weather, visit Tartu weather in June.

April and July present markedly different weather patterns in Tartu. In April, temperatures fluctuate from a chilly minimum of -8°C (18°F) to a mild maximum of 23°C (73°F), with an average of 5°C (41°F). This month also experiences significant precipitation, totaling 49 mm (1.9 in) over 12 days, accompanied by high humidity at 87%. In contrast, July showcases a much warmer climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 32°C (89°F) and an average of 18°C (65°F). Precipitation is slightly higher at 65 mm (2.6 in) over 13 days, but humidity decreases to 80%. For more details about weather conditions in Tartu during July, you can visit Tartu weather in July.

April and August present quite contrasting weather patterns. In April, temperatures range from a chilly minimum of -8°C (18°F) to a pleasant maximum of 23°C (73°F), with an average of 5°C (41°F). The month sees 49 mm (1.9 in) of precipitation over approximately 12 days, paired with high humidity at 87%. In contrast, August offers a much warmer climate, with temperatures spanning from a minimum of 7°C (45°F) to a maximum of 31°C (87°F), averaging 17°C (62°F). The humidity remains relatively high at 84%, and rainfall increases to 79 mm (3.1 in) over about 14 days. For more detailed information, you can check out Tartu weather in August.

April and September present distinct weather patterns, with April experiencing a wider temperature range. In April, temperatures can plummet as low as -8°C (18°F) but average around 5°C (41°F), peaking at 23°C (73°F). This month witnesses an average precipitation of 49 mm (1.9 in) over 12 days, and with humidity at 87%, it feels quite damp. Conversely, September offers milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to an average of 13°C (55°F) and maximums reaching 26°C (78°F). It has slightly higher precipitation at 62 mm (2.4 in) over 11 days, and humidity increases slightly to 89%. To explore more about the climate during this time, check out Tartu weather in September.

April and October present distinct weather patterns, each marking a transition between seasons. In April, temperatures range from a chilly -8°C (18°F) to a pleasant max of 23°C (73°F), with an average of 5°C (41°F). The month sees about 49 mm (1.9 in) of precipitation over 12 days, accompanied by high humidity at 87%. Conversely, October has a slightly milder temperature range, with minimums around -4°C (26°F) and maximums hitting 19°C (66°F), leading to an average of 7°C (46°F). Rainfall increases to 72 mm (2.9 in) across 14 days, with humidity rising to 92%. For a detailed look into October weather conditions, you can explore Tartu weather in October.

In comparing the weather of April and November, both months present a range of cool temperatures, but with notable differences. April sees a milder climate with average temperatures around 5°C (41°F), highs reaching 23°C (73°F), and lows of -8°C (18°F), while November is chillier, averaging 3°C (38°F), with highs only reaching 12°C (54°F) and lows dropping to -10°C (15°F). Precipitation is slightly higher in November at 54 mm (2.1 in) over 10 days, compared to April's 49 mm (1.9 in) across 12 days. Additionally, humidity levels are higher in November at 93%, compared to April's 87%. For more detailed information about November weather, visit Tartu weather in November.

April and December in Tartu present a striking contrast in weather conditions. In April, temperatures range from a chilly -8°C (18°F) at night to a pleasant max of 23°C (73°F) during the day, with an average of 5°C (41°F). The month sees around 49 mm (1.9 in) of precipitation over 12 days, accompanied by relatively high humidity at 87%. In contrast, December is much colder, with nighttime temperatures dropping to -21°C (-5°F) and daytime highs reaching only 8°C (48°F), averaging -1°C (30°F). This month experiences slightly more precipitation at 54 mm (2.1 in) across 13 days, while humidity remains quite high at 93%. For a closer look at the weather in December, you can visit Tartu weather in December.

Compare Tartu's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Tartu

April in Tartu marks a dramatic transition from the lingering chill of winter to the gentle warmth of spring. With temperatures gradually climbing, this month typically showcases a significant increase in daily highs, allowing locals and visitors alike to shed their heavy winter coats. However, the lingering coolness can still surprise, with the occasional frost reminding everyone that winter is not quite done yet. Alongside this temperature variability, April also brings a fair share of precipitation, leading to a noticeably humid atmosphere that contrasts with the drier months ahead. As Tartu shakes off the frost and revives with blooming nature, it's a vibrant prelude to the warmer days of summer. For more detailed insights into the city’s climate, visit Tartu Climate.