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April Weather in Jakobstad, Finland

Last updated: August 23, 2025

In April, the average temperature in Jakobstad, Finland hovers around 1°C (35°F), showcasing the typical chill of the season. Expect minimum lows of -11°C (12°F) and maximum highs reaching 14°C (58°F). The area experiences about 37 mm (1.5 in) of precipitation over 7 days, contributing to an average humidity level of 85%. Stay prepared for a cold, wet month!

April Temperature in Jakobstad

In April in Jakobstad, the average temperature is 1°C (35°F). Maximums can reach 14°C (58°F), and minimums can be as low as -11°C (12°F). Be prepared for chilly weather and pack warm layers for your trip!

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

The chart illustrates April temperature patterns in Jakobstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jakobstad, April typically has an average temperature of 1°C (35°F), with highs reaching up to 14°C (58°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec262328354455625952433629
Data source: Temperature data for Jakobstad 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 Jakobstad

In Jakobstad in April, the precipitation amount is 37 mm (1.5 in) during a span of 7 days.

April Precipitation Trends in Jakobstad

The chart displays monthly precipitation patterns in Jakobstad, 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 Jakobstad, April typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec384240374948648679946452
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Jakobstad

In Jakobstad in April humidity is 85%. With an average temperature of 1°C (35°F), this humidity feels like a chilly blanket wrapping around you, making outdoor adventures damp and uncomfortable, especially for travelers unprepared for such a heavy and cold atmosphere.

April Average Humidity in Jakobstad

This chart illustrates the average monthly humidity levels in Jakobstad, 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 Jakobstad 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 Jakobstad

In Jakobstad 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 Jakobstad for better planning.

Maximum UV Index Levels in Jakobstad for April

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

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

This table compares monthly weather conditions in Jakobstad, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)38 mm (1.5 inches)97%low
February Weather-5°C (23°F)41 mm (1.6 inches)95%low
March Weather-2°C (28°F)40 mm (1.6 inches)92%moderate
April Weather1°C (35°F)37 mm (1.5 inches)85%moderate
May Weather7°C (44°F)49 mm (1.9 inches)77%moderate
June Weather13°C (56°F)48 mm (1.9 inches)74%high
July Weather17°C (62°F)64 mm (2.5 inches)79%high
August Weather15°C (60°F)85 mm (3.4 inches)82%moderate
September Weather11°C (52°F)79 mm (3.1 inches)89%moderate
October Weather6°C (43°F)94 mm (3.7 inches)93%low
November Weather2°C (36°F)64 mm (2.5 inches)93%low
December Weather-1°C (30°F)52 mm (2.1 inches)95%low

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