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April Weather in Siikainen, Finland

Last updated: August 23, 2025

In April, the average temperature in Siikainen, Finland hovers around 3°C (38°F). Expect a chilly environment where temperatures can dip as low as -17°C (2°F), while the warmer days might reach up to 22°C (72°F). With an average humidity of 85%, be prepared for moist conditions. Rainfall accumulates to about 43 mm (1.7 in) over 9 days, adding a touch of refreshing coolness to the air.

April Temperature in Siikainen

In April in Siikainen, the average temperature is 3°C (38°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop as low as -17°C (2°F). This range makes it essential for travelers to pack a variety of clothing to stay comfortable in changing weather conditions.

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

The chart illustrates April temperature patterns in Siikainen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siikainen, April typically has an average temperature of 3°C (38°F), with highs reaching up to 22°C (72°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec262430384960646052433629
Data source: Temperature data for Siikainen 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 Siikainen

In Siikainen in April, the precipitation amount reaches 43 mm (1.7 in) over the course of 9 days.

April Precipitation Trends in Siikainen

The chart displays monthly precipitation patterns in Siikainen, 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 Siikainen, April typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4346474342628310676816668
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Siikainen

In Siikainen in April, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.

April Average Humidity in Siikainen

This chart illustrates the average monthly humidity levels in Siikainen, 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 Siikainen 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 Siikainen

In Siikainen 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 Siikainen for better planning.

Maximum UV Index Levels in Siikainen for April

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

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

This table compares monthly weather conditions in Siikainen, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)42 mm (1.7 inches)92%low
February Weather-4°C (24°F)46 mm (1.8 inches)90%low
March Weather-1°C (30°F)47 mm (1.8 inches)89%moderate
April Weather3°C (38°F)43 mm (1.7 inches)85%moderate
May Weather9°C (49°F)42 mm (1.7 inches)77%moderate
June Weather16°C (61°F)62 mm (2.5 inches)78%high
July Weather18°C (64°F)83 mm (3.3 inches)78%high
August Weather15°C (60°F)106 mm (4.2 inches)79%moderate
September Weather11°C (52°F)76 mm (3.0 inches)86%moderate
October Weather6°C (43°F)81 mm (3.2 inches)90%low
November Weather2°C (36°F)65 mm (2.6 inches)91%low
December Weather-2°C (29°F)68 mm (2.7 inches)89%low

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