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October Weather in Seinaejoki, Finland

Last updated: August 23, 2025

In October, the average temperature in Seinaejoki, Finland hovers around 5°C (41°F), providing a brisk atmosphere perfect for cozy layers. Expect the mercury to dip as low as -13°C (9°F) or rise to a pleasant 20°C (68°F). Rainfall is typical, with about 75 mm (2.9 in) spread over 14 days. With an average humidity level of 93%, make sure to prepare for a wonderfully wet experience!

October Temperature in Seinaejoki

In October in Seinaejoki, the average temperature is 5°C (41°F). Maximums can reach 20°C (68°F), while minimums can dip as low as -13°C (9°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates October temperature patterns in Seinaejoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seinaejoki, October typically has an average temperature of 5°C (41°F), with highs reaching up to 20°C (68°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec242229384860625950413427
Data source: Temperature data for Seinaejoki 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 Seinaejoki

In Seinaejoki in October, the total precipitation amount is 75 mm (2.9 in) accumulated over a period of 14 days.

October Precipitation Trends in Seinaejoki

The chart displays monthly precipitation patterns in Seinaejoki, 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 Seinaejoki, October typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec373941446061599071755847
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Seinaejoki

In Seinaejoki in October, humidity is 93%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures feel more uncomfortable and reminding you to bundle up to stay warm while exploring the sights.

October Average Humidity in Seinaejoki

This chart illustrates the average monthly humidity levels in Seinaejoki, 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 Seinaejoki is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Seinaejoki

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

Maximum UV Index Levels in Seinaejoki for October

The chart shows the monthly maximum UV Index (UVI) for Seinaejoki 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 Seinaejoki typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Seinaejoki 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 Seinaejoki Compares to Other Months

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

This table compares monthly weather conditions in Seinaejoki, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)37 mm (1.4 inches)97%low
February Weather-5°C (22°F)39 mm (1.5 inches)95%low
March Weather-2°C (29°F)41 mm (1.6 inches)92%moderate
April Weather3°C (38°F)44 mm (1.7 inches)85%moderate
May Weather9°C (49°F)60 mm (2.3 inches)77%moderate
June Weather15°C (60°F)61 mm (2.4 inches)74%high
July Weather17°C (63°F)59 mm (2.3 inches)79%high
August Weather15°C (59°F)90 mm (3.6 inches)82%moderate
September Weather10°C (50°F)71 mm (2.8 inches)89%moderate
October Weather5°C (41°F)75 mm (2.9 inches)93%low
November Weather1°C (34°F)58 mm (2.3 inches)93%low
December Weather-3°C (28°F)47 mm (1.9 inches)95%low

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