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May Weather in Hammarland, Åland Islands

Last updated: August 22, 2025

In May, the average temperature in Hammarland, Åland Islands hovers around 9°C (49°F), making it a brisk time of year. Temperatures can vary significantly, with a minimum of -3°C (26°F) and a comfortable maximum of 25°C (77°F). Guests should also be prepared for 37 mm (1.5 in) of precipitation over approximately 7 days, alongside a noteworthy average humidity of 77%.

May Temperature in Hammarland

In May in Hammarland, the average temperature is 9°C (49°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as -3°C (26°F). This means that travelers should be prepared for a wide range of weather conditions during their visit.

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

The chart illustrates May 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, May typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (77°F) and lows dropping to around -3°C (26°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.

May Precipitation in Hammarland

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

May Precipitation Trends in Hammarland

The chart displays monthly precipitation patterns in Hammarland, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Hammarland, May typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec393235243730495349734363
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hammarland

In Hammarland in May humidity is 77%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor explorations feel colder and more uncomfortable than the thermometer suggests.

May Average Humidity in Hammarland

This chart illustrates the average monthly humidity levels in Hammarland, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Hammarland is approximately 77%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Hammarland

In Hammarland in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hammarland.

Maximum UV Index Levels in Hammarland for May

The chart shows the monthly maximum UV Index (UVI) for Hammarland in May, 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 May, the maximum UV index in Hammarland typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Hammarland May 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 May 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 May’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 May’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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