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April Weather in Pori, Finland

Last updated: August 23, 2025

In April, the average temperature in Pori, Finland hovers at a cool 4°C (39°F). Expect chilly evenings, with lows reaching -9°C (17°F), while daytime highs can climb up to 19°C (67°F). Be prepared for some rain, as 40 mm (1.6 in) of precipitation is typical over 8 days, and humidity may linger at a notable 85%.

April Temperature in Pori

In April in Pori, the average temperature is 4°C (39°F). Maximum temperatures can reach 19°C (67°F), while minimum temperatures can drop as low as -9°C (17°F). Be prepared for a wide range of temperatures, ideal for layering your clothing while exploring the area.

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

The chart illustrates April 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, April typically has an average temperature of 4°C (39°F), with highs reaching up to 19°C (67°F) and lows dropping to around -9°C (17°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.

April Precipitation in Pori

In Pori in April, the precipitation amount is 40 mm (1.6 in), occurring over a span of 8 days.

April Precipitation Trends in Pori

The chart displays monthly precipitation patterns in Pori, 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 Pori, April typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec434243404150839377886569
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Pori

In Pori in April, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.

April Average Humidity in Pori

This chart illustrates the average monthly humidity levels in Pori, 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 Pori is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Pori

In Pori 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 Pori for better planning.

Maximum UV Index Levels in Pori for April

The chart shows the monthly maximum UV Index (UVI) for Pori 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 Pori typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Pori 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 Pori Compares to Other Months

Weather in Pori varies notably across the year, with each month offering distinct climate conditions. This page compares April’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 April’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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