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April Weather in Nykarleby, Finland

Last updated: August 23, 2025

In April, the average temperature in Nykarleby, Finland hovers around 2°C (37°F), with a potential dip to a chilling -13°C (8°F) and a gentle rise to 19°C (67°F). Prepare for 40 mm (1.6 in) of precipitation over approximately 8 days, and expect a high humidity level of 85%. Stay warm and dry!

April Temperature in Nykarleby

In April in Nykarleby, the average temperature is 2°C (37°F), with maximums reaching up to 19°C (67°F) and minimums dropping as low as -13°C (8°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm and moderate clothing for their comfort.

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

The chart illustrates April temperature patterns in Nykarleby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nykarleby, April typically has an average temperature of 2°C (37°F), with highs reaching up to 19°C (67°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec252228364658635951423528
Data source: Temperature data for Nykarleby 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 Nykarleby

In Nykarleby in April, the precipitation amount is 40 mm (1.6 in), occurring over a span of 8 days.

April Precipitation Trends in Nykarleby

The chart displays monthly precipitation patterns in Nykarleby, 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 Nykarleby, April typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec364040404851638271835747
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Nykarleby

In Nykarleby in April, humidity is 85%. With an average temperature of 2°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions feel much colder than the thermometer suggests.

April Average Humidity in Nykarleby

This chart illustrates the average monthly humidity levels in Nykarleby, 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 Nykarleby is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%85%77%75%80%82%88%92%92%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Nykarleby

In Nykarleby 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 Nykarleby for better planning.

Maximum UV Index Levels in Nykarleby for April

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

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

This table compares monthly weather conditions in Nykarleby, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)36 mm (1.4 inches)95%low
February Weather-5°C (23°F)40 mm (1.6 inches)93%low
March Weather-2°C (29°F)40 mm (1.6 inches)91%moderate
April Weather2°C (37°F)40 mm (1.6 inches)85%moderate
May Weather8°C (47°F)48 mm (1.9 inches)77%moderate
June Weather15°C (59°F)51 mm (2.0 inches)74%high
July Weather17°C (63°F)63 mm (2.5 inches)80%high
August Weather15°C (60°F)82 mm (3.2 inches)82%moderate
September Weather11°C (51°F)71 mm (2.8 inches)88%moderate
October Weather6°C (42°F)83 mm (3.2 inches)92%low
November Weather1°C (35°F)57 mm (2.2 inches)92%low
December Weather-2°C (29°F)47 mm (1.9 inches)93%low

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