October Weather in Ilomantsi, Finland

Last updated: August 23, 2025

In October, the average temperature in Ilomantsi, Finland hovers around 4°C (40°F). Expect a chilly range, with minimums dipping to -12°C (11°F) and maximums reaching up to 18°C (65°F). Be prepared for 85 mm (3.4 in) of precipitation over approximately 16 days, and notably high average humidity at 95%.

October Temperature in Ilomantsi

In October in Ilomantsi, the average temperature is 4°C (40°F). The maximum can reach 18°C (65°F) and the minimum can be as low as -12°C (11°F). Travelers should be prepared for a wide range of temperatures, ranging from chilly to mild, making layers essential for comfort during their visit.

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

The chart illustrates October 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, October typically has an average temperature of 4°C (40°F), with highs reaching up to 18°C (65°F) and lows dropping to around -12°C (11°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.

October Precipitation in Ilomantsi

In Ilomantsi in October, the total precipitation amount is 85 mm (3.4 in) spread over 16 days.

October Precipitation Trends in Ilomantsi

The chart displays monthly precipitation patterns in Ilomantsi, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Ilomantsi, October typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec4950544661609510578856171
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Ilomantsi

In Ilomantsi in October humidity is 95%. With an average temperature of 4°C (40°F), this humidity feels like a chilling blanket that clings to your skin, making every step seem heavier and turning a simple stroll into a battle against the damp cold.

October Average Humidity in Ilomantsi

This chart illustrates the average monthly humidity levels in Ilomantsi, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Ilomantsi is approximately 95%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Ilomantsi

In Ilomantsi in October, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Ilomantsi, you can visit Hourly UV Index in Ilomantsi.

Maximum UV Index Levels in Ilomantsi for October

The chart shows the monthly maximum UV Index (UVI) for Ilomantsi in October, 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 October, the maximum UV index in Ilomantsi typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Ilomantsi October 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 October 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 October’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 October’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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