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April Weather in Koosa, Estonia

Last updated: August 23, 2025

In Koosa, Estonia, the average temperature in April hovers around 5°C (41°F), with a notable minimum of -8°C (18°F) and a maximum reaching 23°C (73°F). Expect 49 mm (1.9 in) of precipitation spread across 11 days, coupled with a high average humidity of 87%. Be prepared for a mix of chilly and wet days during this time!

April Temperature in Koosa

In April in Koosa, the average temperature is 5°C (41°F). Maximums can reach 23°C (73°F) and minimums can be as low as -8°C (18°F). Be prepared for a wide range of temperatures when traveling, as layering your clothing will help you stay comfortable throughout the day.

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

The chart illustrates April temperature patterns in Koosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koosa, April typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (73°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec282732415263656255453829
Data source: Temperature data for Koosa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Koosa

In Koosa in April, the total precipitation amount is 49 mm (1.9 in) spread over 11 days.

April Precipitation Trends in Koosa

The chart displays monthly precipitation patterns in Koosa, 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 Koosa, April typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec384243495865637459705553
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Koosa

In Koosa in April humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

April Average Humidity in Koosa

This chart illustrates the average monthly humidity levels in Koosa, 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 Koosa is approximately 87%, 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 Koosa

In Koosa in April, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Koosa for better planning.

Maximum UV Index Levels in Koosa for April

The chart shows the monthly maximum UV Index (UVI) for Koosa 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 Koosa typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Koosa 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.

How April Weather in Koosa Compares to Other Months

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

This table compares monthly weather conditions in Koosa, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)38 mm (1.5 inches)95%low
February Weather-3°C (27°F)42 mm (1.6 inches)93%low
March Weather0°C (33°F)43 mm (1.7 inches)90%moderate
April Weather5°C (41°F)49 mm (1.9 inches)87%moderate
May Weather11°C (52°F)58 mm (2.3 inches)73%moderate
June Weather17°C (63°F)65 mm (2.6 inches)77%high
July Weather18°C (65°F)63 mm (2.5 inches)80%high
August Weather17°C (63°F)74 mm (2.9 inches)84%high
September Weather13°C (55°F)59 mm (2.3 inches)89%moderate
October Weather7°C (46°F)70 mm (2.8 inches)92%low
November Weather3°C (38°F)55 mm (2.1 inches)93%low
December Weather-1°C (30°F)53 mm (2.1 inches)93%low

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