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April Weather in Sillamaee, Estonia

Last updated: August 23, 2025

In April, the average temperature in Sillamaee, Estonia hovers around 3°C (39°F). Expect chilly lows of -5°C (23°F) and pleasant highs reaching up to 17°C (63°F). Be prepared for 48 mm (1.9 in) of precipitation over approximately 11 days, and embrace the cozy atmosphere with an average humidity of 86%.

April Temperature in Sillamaee

In April in Sillamaee, the average temperature is 3°C (39°F). Maximums can reach 17°C (63°F), and minimums can be as low as -5°C (23°F). Travelers should pack accordingly to enjoy a mix of chilly and mild weather.

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

The chart illustrates April temperature patterns in Sillamaee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sillamaee, April typically has an average temperature of 3°C (39°F), with highs reaching up to 17°C (63°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec292731384860646356473932
Data source: Temperature data for Sillamaee 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 Sillamaee

In Sillamaee in April, the precipitation amount is 48 mm (1.9 in) over a span of 11 days.

April Precipitation Trends in Sillamaee

The chart displays monthly precipitation patterns in Sillamaee, 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 Sillamaee, April typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec545755486251791101071319286
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sillamaee

In Sillamaee in April, humidity is 86%. With an average temperature of 3°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers for comfort while exploring.

April Average Humidity in Sillamaee

This chart illustrates the average monthly humidity levels in Sillamaee, 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 Sillamaee is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%94%90%86%71%77%82%86%90%93%93%94%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sillamaee

In Sillamaee 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 Sillamaee for better planning.

Maximum UV Index Levels in Sillamaee for April

The chart shows the monthly maximum UV Index (UVI) for Sillamaee 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 Sillamaee typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457764211
Data source: Sillamaee 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 Sillamaee Compares to Other Months

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

This table compares monthly weather conditions in Sillamaee, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)54 mm (2.1 inches)97%low
February Weather-3°C (27°F)57 mm (2.2 inches)94%low
March Weather-1°C (31°F)55 mm (2.2 inches)90%moderate
April Weather3°C (39°F)48 mm (1.9 inches)86%moderate
May Weather9°C (48°F)62 mm (2.4 inches)71%moderate
June Weather16°C (60°F)51 mm (2.0 inches)77%high
July Weather18°C (65°F)79 mm (3.1 inches)82%high
August Weather17°C (64°F)110 mm (4.3 inches)86%high
September Weather14°C (57°F)106 mm (4.2 inches)90%moderate
October Weather8°C (47°F)131 mm (5.2 inches)93%low
November Weather4°C (40°F)92 mm (3.6 inches)93%low
December Weather0°C (32°F)86 mm (3.4 inches)94%low

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