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April Weather in Koeylioe, Finland

Last updated: August 23, 2025

In April, the average temperature in Koeylioe, Finland hovers around 4°C (40°F). Expect a minimum of -11°C (13°F) and a maximum of 22°C (71°F), offering a wide range of weather conditions. Rainfall is moderate, with about 38 mm (1.5 in) spread over 10 days, contributing to an average humidity of 85%. Be prepared for a mild, yet occasionally rainy, month!

April Temperature in Koeylioe

In April in Koeylioe, the average temperature is 4°C (40°F). Maximums can reach 22°C (71°F), and minimums can be as low as -11°C (13°F). It's essential to pack for a wide range of temperatures when traveling during this time.

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

The chart illustrates April temperature patterns in Koeylioe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koeylioe, April typically has an average temperature of 4°C (40°F), with highs reaching up to 22°C (71°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec272531405061646153443730
Data source: Temperature data for Koeylioe 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 Koeylioe

In Koeylioe in April, the precipitation amount is 38 mm (1.5 in) over the course of 10 days.

April Precipitation Trends in Koeylioe

The chart displays monthly precipitation patterns in Koeylioe, 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 Koeylioe, April typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec444143385055919162745366
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Koeylioe

In Koeylioe in April, humidity is 85%. With an average temperature of 4°C (40°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities feel much colder and damp, which can be quite uncomfortable for traveling.

April Average Humidity in Koeylioe

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

In Koeylioe 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 Koeylioe for better planning.

Maximum UV Index Levels in Koeylioe for April

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

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

This table compares monthly weather conditions in Koeylioe, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)44 mm (1.7 inches)92%low
February Weather-4°C (25°F)41 mm (1.6 inches)90%low
March Weather0°C (31°F)43 mm (1.7 inches)89%moderate
April Weather4°C (40°F)38 mm (1.5 inches)85%moderate
May Weather10°C (50°F)50 mm (2.0 inches)77%moderate
June Weather16°C (61°F)55 mm (2.2 inches)78%high
July Weather18°C (64°F)91 mm (3.6 inches)78%high
August Weather16°C (61°F)91 mm (3.6 inches)79%moderate
September Weather11°C (53°F)62 mm (2.4 inches)86%moderate
October Weather6°C (44°F)74 mm (2.9 inches)90%low
November Weather3°C (37°F)53 mm (2.1 inches)91%low
December Weather-1°C (30°F)66 mm (2.6 inches)89%low

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