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October Weather in Mikkeli, Finland

Last updated: August 23, 2025

In October, the average temperature in Mikkeli, Finland hovers around 6°C (42°F). Expect chilly nights, with a minimum dropping to -4°C (24°F), while the daytime can reach a pleasant 18°C (64°F). Be prepared for 76 mm (3.0 in) of precipitation spread over 15 days, contributing to an average humidity of a high 94%.

October Temperature in Mikkeli

In October in Mikkeli, the average temperature is 6°C (42°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop as low as -4°C (24°F). It's advisable to pack layers to stay comfortable while exploring the area during this time.

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

The chart illustrates October temperature patterns in Mikkeli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mikkeli, October typically has an average temperature of 6°C (42°F), with highs reaching up to 18°C (64°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec232128364861636051423426
Data source: Temperature data for Mikkeli 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 Mikkeli

In Mikkeli in October, the precipitation amount is 76 mm (3.0 in), recorded over a span of 15 days.

October Precipitation Trends in Mikkeli

The chart displays monthly precipitation patterns in Mikkeli, 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 Mikkeli, October typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec494544445366818671765870
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Mikkeli

In Mikkeli in October, humidity is 94%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that clings to your skin, making traveling uncomfortable and necessitating extra layers to stay warm and dry.

October Average Humidity in Mikkeli

This chart illustrates the average monthly humidity levels in Mikkeli, 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 Mikkeli is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%87%75%74%80%85%90%94%94%96%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Mikkeli

In Mikkeli 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 Mikkeli, you can visit Hourly UV Index in Mikkeli.

Maximum UV Index Levels in Mikkeli for October

The chart shows the monthly maximum UV Index (UVI) for Mikkeli 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 Mikkeli typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456753211
Data source: Mikkeli 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 Mikkeli Compares to Other Months

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

This table compares monthly weather conditions in Mikkeli, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)49 mm (1.9 inches)98%low
February Weather-6°C (22°F)45 mm (1.8 inches)96%low
March Weather-2°C (28°F)44 mm (1.7 inches)93%moderate
April Weather2°C (36°F)44 mm (1.7 inches)87%moderate
May Weather9°C (49°F)53 mm (2.1 inches)75%moderate
June Weather16°C (61°F)66 mm (2.6 inches)74%high
July Weather17°C (64°F)81 mm (3.2 inches)80%high
August Weather16°C (60°F)86 mm (3.4 inches)85%moderate
September Weather11°C (51°F)71 mm (2.8 inches)90%moderate
October Weather6°C (42°F)76 mm (3.0 inches)94%low
November Weather1°C (35°F)58 mm (2.3 inches)94%low
December Weather-3°C (27°F)70 mm (2.8 inches)96%low

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