October Weather in Oulainen, Finland

Last updated: August 23, 2025

In October, the average temperature in Oulainen, Finland hovers around 4°C (40°F). While you might experience chilly lows of -13°C (10°F), it's also possible to revel in a mild high of 20°C (68°F). Be prepared for some wet days, as 83 mm (3.3 in) of precipitation is expected over 15 days, coupled with an average humidity of a remarkable 94%.

October Temperature in Oulainen

In October in Oulainen, the average temperature is 4°C (40°F). Maximums can reach 20°C (68°F), while minimums can drop as low as -13°C (10°F). Be prepared for fluctuating temperatures and pack layers for your trip!

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

The chart illustrates October temperature patterns in Oulainen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oulainen, October typically has an average temperature of 4°C (40°F), with highs reaching up to 20°C (68°F) and lows dropping to around -13°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec201926354759625849393225
Data source: Temperature data for Oulainen 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 Oulainen

In Oulainen in October, the precipitation amount is 83 mm (3.3 in) spread over 15 days.

October Precipitation Trends in Oulainen

The chart displays monthly precipitation patterns in Oulainen, 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 Oulainen, October typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec383938405957749377836150
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Oulainen

In Oulainen in October humidity is 94%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling and causing you to feel colder than the actual temperature suggests.

October Average Humidity in Oulainen

This chart illustrates the average monthly humidity levels in Oulainen, 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 Oulainen is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%93%86%80%76%79%83%89%94%94%98%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Oulainen

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

Maximum UV Index Levels in Oulainen for October

The chart shows the monthly maximum UV Index (UVI) for Oulainen 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 Oulainen typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Oulainen 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 Oulainen Compares to Other Months

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

This table compares monthly weather conditions in Oulainen, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)38 mm (1.5 inches)99%low
February Weather-7°C (19°F)39 mm (1.5 inches)97%low
March Weather-3°C (27°F)38 mm (1.5 inches)93%low
April Weather2°C (35°F)40 mm (1.6 inches)86%moderate
May Weather8°C (47°F)59 mm (2.3 inches)80%moderate
June Weather15°C (59°F)57 mm (2.3 inches)76%high
July Weather17°C (63°F)74 mm (2.9 inches)79%high
August Weather14°C (58°F)93 mm (3.7 inches)83%moderate
September Weather9°C (49°F)76 mm (3.0 inches)89%moderate
October Weather4°C (40°F)83 mm (3.3 inches)94%low
November Weather0°C (32°F)61 mm (2.4 inches)94%low
December Weather-4°C (25°F)50 mm (2.0 inches)98%low

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