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April Weather in Nagu, Finland

Last updated: August 23, 2025

In April, the average temperature in Nagu, Finland hovers around 3°C (39°F). Expect chilly days with minimums plunging to -7°C (20°F) and occasional warmth peaking at 18°C (64°F). Prepare for 29 mm (1.1 in) of precipitation over about 8 days, and don't forget to layer up, as humidity averages a high 85%.

April Temperature in Nagu

In April in Nagu, the average temperature is 3°C (39°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop as low as -7°C (20°F). It's advisable to pack layered clothing to accommodate the varying temperatures throughout the day.

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

The chart illustrates April temperature patterns in Nagu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nagu, April typically has an average temperature of 3°C (39°F), with highs reaching up to 18°C (64°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec312832384859646356484134
Data source: Temperature data for Nagu 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 Nagu

In Nagu in April, the precipitation amount is 29 mm (1.1 in) over the course of 8 days.

April Precipitation Trends in Nagu

The chart displays monthly precipitation patterns in Nagu, 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 Nagu, April typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5143452939376085781047488
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Nagu

In Nagu in April, humidity is 85%. With an average temperature of 3°C (39°F), this humidity feels like a damp chill that clings to your clothes, making it challenging for travelers to stay comfortable while exploring the area.

April Average Humidity in Nagu

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

In Nagu 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 Nagu for better planning.

Maximum UV Index Levels in Nagu for April

The chart shows the monthly maximum UV Index (UVI) for Nagu 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 Nagu typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Nagu 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 Nagu Compares to Other Months

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

This table compares monthly weather conditions in Nagu, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)51 mm (2.0 inches)92%low
February Weather-2°C (28°F)43 mm (1.7 inches)90%low
March Weather0°C (32°F)45 mm (1.8 inches)89%moderate
April Weather3°C (39°F)29 mm (1.1 inches)85%moderate
May Weather9°C (48°F)39 mm (1.5 inches)77%moderate
June Weather15°C (59°F)37 mm (1.4 inches)78%high
July Weather18°C (64°F)60 mm (2.4 inches)78%high
August Weather17°C (63°F)85 mm (3.3 inches)79%moderate
September Weather13°C (56°F)78 mm (3.1 inches)86%moderate
October Weather9°C (48°F)104 mm (4.1 inches)90%low
November Weather5°C (42°F)74 mm (2.9 inches)91%low
December Weather1°C (35°F)88 mm (3.5 inches)89%low

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