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April Weather in Hammarland, Åland Islands

Last updated: August 22, 2025

In April, the average temperature in Hammarland, Åland Islands sits at a crisp 4°C (40°F). Expect minimums to dip as low as -6°C (21°F) and maximums reaching a mild 18°C (65°F). Precipitation is light, with around 24 mm (1.0 in) spanning over 6 days, while the air holds a notable 85% humidity, adding a touch of dampness to the cool atmosphere.

April Temperature in Hammarland

In April in Hammarland, the average temperature is 4°C (40°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop to as low as -6°C (21°F). Be prepared for a wide range of weather conditions if you're traveling during this time.

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

The chart illustrates April temperature patterns in Hammarland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hammarland, April typically has an average temperature of 4°C (40°F), with highs reaching up to 18°C (65°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec333134404860646355474135
Data source: Temperature data for Hammarland 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 Hammarland

In Hammarland in April, the precipitation amount is 24 mm (1.0 in) spread over a period of 6 days.

April Precipitation Trends in Hammarland

The chart displays monthly precipitation patterns in Hammarland, 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 Hammarland, April typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec393235243730495349734363
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hammarland

In Hammarland in April, humidity is 85%. With an average temperature of 4°C (40°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities feel much colder and damp, which can be quite uncomfortable for traveling.

April Average Humidity in Hammarland

This chart illustrates the average monthly humidity levels in Hammarland, 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 Hammarland is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%90%85%77%76%75%78%86%91%91%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hammarland

In Hammarland 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 Hammarland for better planning.

Maximum UV Index Levels in Hammarland for April

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

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

This table compares monthly weather conditions in Hammarland, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)39 mm (1.6 inches)92%low
February Weather-1°C (31°F)32 mm (1.3 inches)90%low
March Weather1°C (35°F)35 mm (1.4 inches)90%moderate
April Weather4°C (40°F)24 mm (1.0 inches)85%moderate
May Weather9°C (49°F)37 mm (1.5 inches)77%moderate
June Weather15°C (60°F)30 mm (1.2 inches)76%high
July Weather18°C (64°F)49 mm (1.9 inches)75%high
August Weather17°C (63°F)53 mm (2.1 inches)78%moderate
September Weather13°C (56°F)49 mm (1.9 inches)86%moderate
October Weather9°C (48°F)73 mm (2.9 inches)90%low
November Weather5°C (41°F)43 mm (1.7 inches)91%low
December Weather2°C (36°F)63 mm (2.5 inches)90%low

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