August Weather in Ilomantsi, Finland

Last updated: August 23, 2025

In Ilomantsi, Finland, the average temperature in August hovers around 15°C (59°F), with a minimum of 4°C (39°F) and a potential maximum reaching 29°C (85°F). During this time, expect about 105 mm (4.1 in) of precipitation spread across 16 days, contributing to an average humidity of 89%.

August Temperature in Ilomantsi

In August in Ilomantsi, the average temperature is 15°C (59°F). Maximums can reach 29°C (85°F), and minimums can drop as low as 4°C (39°F). This diverse range of temperatures means travelers should pack layers to ensure comfort during their visit.

August Weather in Ilomantsi: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Ilomantsi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilomantsi, August typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec181825354759625849393123
Data source: Temperature data for Ilomantsi 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.

August Precipitation in Ilomantsi

In Ilomantsi in August, the precipitation amount is 105 mm (4.1 in) over a span of 16 days.

August Precipitation Trends in Ilomantsi

The chart displays monthly precipitation patterns in Ilomantsi, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Ilomantsi, August typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec4950544661609510578856171
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Ilomantsi

In Ilomantsi in August humidity is 89%. With an average temperature of 15°C (59°F), this humidity feels like a damp blanket enveloping you, making even short walks feel heavy and sluggish, while creating a sense of heaviness in the air that can dampen the joy of exploring.

August Average Humidity in Ilomantsi

This chart illustrates the average monthly humidity levels in Ilomantsi, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Ilomantsi is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%98%95%88%79%76%83%89%92%95%95%97%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Ilomantsi

In Ilomantsi in August, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Ilomantsi.

Maximum UV Index Levels in Ilomantsi for August

The chart shows the monthly maximum UV Index (UVI) for Ilomantsi in August, 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 August, the maximum UV index in Ilomantsi typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Ilomantsi August 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 August Weather in Ilomantsi Compares to Other Months

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

This table compares monthly weather conditions in Ilomantsi, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)49 mm (1.9 inches)99%low
February Weather-8°C (18°F)50 mm (2.0 inches)98%low
March Weather-4°C (25°F)54 mm (2.1 inches)95%moderate
April Weather1°C (35°F)46 mm (1.8 inches)88%moderate
May Weather9°C (48°F)60 mm (2.4 inches)79%moderate
June Weather15°C (60°F)60 mm (2.3 inches)76%high
July Weather17°C (62°F)95 mm (3.7 inches)83%high
August Weather15°C (59°F)105 mm (4.1 inches)89%moderate
September Weather9°C (49°F)78 mm (3.1 inches)91%moderate
October Weather4°C (40°F)85 mm (3.4 inches)95%low
November Weather0°C (31°F)61 mm (2.4 inches)95%low
December Weather-5°C (24°F)71 mm (2.8 inches)97%low

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