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April Weather in Hailuoto, Finland

Last updated: August 23, 2025

In Hailuoto, Finland, the average temperature in April hovers around -1°C (30°F). However, temperatures can plunge to a chilly -12°C (11°F) or reach a mild 7°C (44°F). Expect about 37 mm (1.4 in) of precipitation spread across 7 days, contributing to an average humidity of 86%. Stay warm and prepared for the elements!

April Temperature in Hailuoto

In April in Hailuoto, the average temperature is -1°C (30°F). The maximum can reach 7°C (44°F) and the minimum can be as low as -12°C (11°F). Travelers should prepare for chilly weather and pack plenty of warm clothing.

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

The chart illustrates April temperature patterns in Hailuoto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hailuoto, April typically has an average temperature of -1°C (30°F), with highs reaching up to 7°C (44°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec221924304155625952423427
Data source: Temperature data for Hailuoto 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 Hailuoto

In Hailuoto in April, the precipitation amount is measured at 37 mm (1.4 in) over a span of 7 days.

April Precipitation Trends in Hailuoto

The chart displays monthly precipitation patterns in Hailuoto, 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 Hailuoto, April typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec4039383752516387841007058
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hailuoto

In Hailuoto in April, humidity is 86%. With an average temperature of -1°C (30°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel much colder and more uncomfortable than the temperature suggests.

April Average Humidity in Hailuoto

This chart illustrates the average monthly humidity levels in Hailuoto, 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 Hailuoto is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%93%86%80%76%79%83%89%94%94%98%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hailuoto

In Hailuoto 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 Hailuoto for better planning.

Maximum UV Index Levels in Hailuoto for April

The chart shows the monthly maximum UV Index (UVI) for Hailuoto 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 Hailuoto typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456643211
Data source: Hailuoto 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 Hailuoto Compares to Other Months

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

This table compares monthly weather conditions in Hailuoto, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)40 mm (1.6 inches)99%low
February Weather-7°C (19°F)39 mm (1.5 inches)97%low
March Weather-4°C (24°F)38 mm (1.5 inches)93%moderate
April Weather-1°C (30°F)37 mm (1.4 inches)86%moderate
May Weather5°C (41°F)52 mm (2.1 inches)80%moderate
June Weather13°C (55°F)51 mm (2.0 inches)76%high
July Weather17°C (62°F)63 mm (2.5 inches)79%high
August Weather15°C (60°F)87 mm (3.4 inches)83%moderate
September Weather11°C (52°F)84 mm (3.3 inches)89%moderate
October Weather6°C (42°F)100 mm (4.0 inches)94%low
November Weather1°C (35°F)70 mm (2.8 inches)94%low
December Weather-3°C (28°F)58 mm (2.3 inches)98%low

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