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January Weather in Pori, Finland

Last updated: August 23, 2025

In January, the average temperature in Pori, Finland hovers around -2°C (29°F), with extremes reaching as low as -21°C (-5°F) and peaking at 7°C (45°F). Expect a precipitation amount of 43 mm (1.7 in) spread over approximately 10 days, coupled with high humidity levels averaging 92%. It's a chilly month, so dress warmly!

January Temperature in Pori

In January in Pori, the average temperature is -2°C (29°F). Maximums can reach 7°C (45°F) and minimums can be as low as -21°C (-5°F). Travelers should prepare for chilly conditions and pack accordingly to stay warm during their visit.

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

The chart illustrates January temperature patterns in Pori, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pori, January typically has an average temperature of -2°C (29°F), with highs reaching up to 7°C (45°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec292631394859636154453832
Data source: Temperature data for Pori 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 Pori

In Pori in January, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.

January Precipitation Trends in Pori

The chart displays monthly precipitation patterns in Pori, 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 Pori, January typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec434243404150839377886569
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Pori

In Pori in January, humidity is 92%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket suffocating your breath, making every step outside a struggle as the cold air condenses the moisture around you, turning your travel experience into a chilling challenge.

January Average Humidity in Pori

This chart illustrates the average monthly humidity levels in Pori, 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 Pori is approximately 92%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Pori

In Pori 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 Pori.

Maximum UV Index Levels in Pori for January

The chart shows the monthly maximum UV Index (UVI) for Pori 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 Pori typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Pori 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 Pori Compares to Other Months

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

This table compares monthly weather conditions in Pori, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)43 mm (1.7 inches)92%low
February Weather-3°C (26°F)42 mm (1.6 inches)90%low
March Weather-1°C (31°F)43 mm (1.7 inches)89%moderate
April Weather4°C (39°F)40 mm (1.6 inches)85%moderate
May Weather9°C (48°F)41 mm (1.6 inches)77%moderate
June Weather15°C (59°F)50 mm (2.0 inches)78%high
July Weather17°C (63°F)83 mm (3.2 inches)78%high
August Weather16°C (61°F)93 mm (3.7 inches)79%moderate
September Weather12°C (54°F)77 mm (3.0 inches)86%moderate
October Weather7°C (45°F)88 mm (3.4 inches)90%low
November Weather3°C (39°F)65 mm (2.6 inches)91%low
December Weather0°C (32°F)69 mm (2.7 inches)89%low

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