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April Weather in Jalasjaervi, Finland

Last updated: August 23, 2025

In April, the average temperature in Jalasjaervi, Finland hovers around 3°C (38°F), with fluctuations that can drop as low as -15°C (5°F) and soar up to 21°C (71°F). Expect about 44 mm (1.7 in) of precipitation over 11 days, contributing to a high average humidity of 85%.

April Temperature in Jalasjaervi

In April in Jalasjaervi, the average temperature is 3°C (38°F). Maximum temperatures can reach 21°C (71°F), while minimums can drop as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures, so packing layers is essential.

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

The chart illustrates April temperature patterns in Jalasjaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jalasjaervi, April typically has an average temperature of 3°C (38°F), with highs reaching up to 21°C (71°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec242229384860625950413427
Data source: Temperature data for Jalasjaervi 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 Jalasjaervi

In Jalasjaervi in April, the precipitation amount is 44 mm (1.7 in) during 11 days, indicating a relatively wet period for that time of year.

April Precipitation Trends in Jalasjaervi

The chart displays monthly precipitation patterns in Jalasjaervi, 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 Jalasjaervi, April typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec383943445860579269695951
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Jalasjaervi

In Jalasjaervi in April, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.

April Average Humidity in Jalasjaervi

This chart illustrates the average monthly humidity levels in Jalasjaervi, 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 Jalasjaervi is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Jalasjaervi

In Jalasjaervi 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 Jalasjaervi for better planning.

Maximum UV Index Levels in Jalasjaervi for April

The chart shows the monthly maximum UV Index (UVI) for Jalasjaervi 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 Jalasjaervi typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Jalasjaervi 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 Jalasjaervi Compares to Other Months

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

This table compares monthly weather conditions in Jalasjaervi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)38 mm (1.5 inches)97%low
February Weather-5°C (22°F)39 mm (1.5 inches)95%low
March Weather-2°C (29°F)43 mm (1.7 inches)92%moderate
April Weather3°C (38°F)44 mm (1.7 inches)85%moderate
May Weather9°C (49°F)58 mm (2.3 inches)77%moderate
June Weather15°C (60°F)60 mm (2.4 inches)74%high
July Weather17°C (62°F)57 mm (2.2 inches)79%high
August Weather15°C (59°F)92 mm (3.6 inches)82%moderate
September Weather10°C (50°F)69 mm (2.7 inches)89%moderate
October Weather5°C (41°F)69 mm (2.7 inches)93%low
November Weather1°C (34°F)59 mm (2.3 inches)93%low
December Weather-3°C (28°F)51 mm (2.0 inches)95%low

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