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January Weather in Jomala, Åland Islands

Last updated: August 22, 2025

In January, the average temperature in Jomala, Åland Islands hovers around 1°C (34°F), with a minimum plunging to -9°C (16°F) and a maximum peaking at 8°C (47°F). Expect 44 mm (1.7 in) of precipitation spread across 10 days, contributing to a notably high average humidity of 92%. Stay prepared for chilly, damp conditions!

January Temperature in Jomala

In January in Jomala, the average temperature is 1°C (34°F). Maximum temperatures can reach 8°C (47°F), while minimums can dip as low as -9°C (16°F). Travelers should be prepared for cold weather and dress warmly during their visit.

January Weather in Jomala: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Jomala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jomala, January typically has an average temperature of 1°C (34°F), with highs reaching up to 8°C (47°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec333234394758636356484236
Data source: Temperature data for Jomala 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.

January Precipitation in Jomala

In Jomala in January, the total precipitation amount is 44 mm (1.7 in) over the course of 10 days.

January Precipitation Trends in Jomala

The chart displays monthly precipitation patterns in Jomala, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Jomala, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec443436253830475657875071
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Jomala

In Jomala in January humidity is 92%. With average temperature 1°C (34°F), this humidity feels like a cold, damp blanket enveloping you, making travel uncomfortable as the chill seeps into your bones, and the air feels heavy and suffocating, leaving little room for any warmth or comfort.

January Average Humidity in Jomala

This chart illustrates the average monthly humidity levels in Jomala, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Jomala is approximately 92%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Jomala

In Jomala in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Jomala.

Maximum UV Index Levels in Jomala for January

The chart shows the monthly maximum UV Index (UVI) for Jomala in January, 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 January, the maximum UV index in Jomala typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Jomala January 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 January Weather in Jomala Compares to Other Months

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

This table compares monthly weather conditions in Jomala, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)44 mm (1.7 inches)92%low
February Weather0°C (32°F)34 mm (1.3 inches)90%low
March Weather1°C (34°F)36 mm (1.4 inches)90%moderate
April Weather4°C (39°F)25 mm (1.0 inches)85%moderate
May Weather8°C (47°F)38 mm (1.5 inches)77%moderate
June Weather15°C (58°F)30 mm (1.2 inches)76%high
July Weather17°C (63°F)47 mm (1.9 inches)75%high
August Weather17°C (63°F)56 mm (2.2 inches)78%moderate
September Weather13°C (56°F)57 mm (2.3 inches)86%moderate
October Weather9°C (48°F)87 mm (3.4 inches)90%low
November Weather6°C (42°F)50 mm (2.0 inches)91%low
December Weather2°C (36°F)71 mm (2.8 inches)90%low

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