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April Weather in Raisio, Finland

Last updated: August 23, 2025

In Raisio, Finland, the average temperature in April hovers around 4°C (40°F). Expect chilly conditions with a minimum of -12°C (10°F) and the possibility of reaching a pleasant 21°C (71°F). Precipitation averages 34 mm (1.3 in) over 9 days, while the air maintains a humid 85%. Prepare accordingly!

April Temperature in Raisio

In April in Raisio, the average temperature is 4°C (40°F). Maximum temperatures can reach 21°C (71°F), while minimums can drop as low as -12°C (10°F). Be prepared for a wide range of temperatures when planning your travels.

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

The chart illustrates April temperature patterns in Raisio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Raisio, April typically has an average temperature of 4°C (40°F), with highs reaching up to 21°C (71°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec282631405061646153453831
Data source: Temperature data for Raisio 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 Raisio

In Raisio in April, the precipitation amount is 34 mm (1.3 in) over the course of 9 days.

April Precipitation Trends in Raisio

The chart displays monthly precipitation patterns in Raisio, 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 Raisio, April typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec484245344845859569785474
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Raisio

In Raisio in April, humidity is 85%. With an average temperature of 4°C (40°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities feel much colder and damp, which can be quite uncomfortable for traveling.

April Average Humidity in Raisio

This chart illustrates the average monthly humidity levels in Raisio, 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 Raisio is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Raisio

In Raisio 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 Raisio for better planning.

Maximum UV Index Levels in Raisio for April

The chart shows the monthly maximum UV Index (UVI) for Raisio 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 Raisio typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Raisio 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 Raisio Compares to Other Months

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

This table compares monthly weather conditions in Raisio, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)48 mm (1.9 inches)92%low
February Weather-3°C (26°F)42 mm (1.7 inches)90%low
March Weather0°C (31°F)45 mm (1.8 inches)89%moderate
April Weather4°C (40°F)34 mm (1.3 inches)85%moderate
May Weather10°C (50°F)48 mm (1.9 inches)77%moderate
June Weather16°C (61°F)45 mm (1.8 inches)78%high
July Weather18°C (64°F)85 mm (3.4 inches)78%high
August Weather16°C (62°F)95 mm (3.7 inches)79%moderate
September Weather12°C (54°F)69 mm (2.7 inches)86%moderate
October Weather7°C (45°F)78 mm (3.1 inches)90%low
November Weather3°C (38°F)54 mm (2.1 inches)91%low
December Weather0°C (31°F)74 mm (2.9 inches)89%low

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