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October Weather in Isojoki, Finland

Last updated: August 23, 2025

In Isojoki, Finland, the average temperature for October hovers around 6°C (42°F). Be prepared for a chill, as minimum temperatures can drop to -10°C (15°F), while the highs may reach up to 18°C (64°F). Precipitation during this month averages 80 mm (3.1 in) over 14 days, contributing to a notably high humidity level of 90%.

October Temperature in Isojoki

In October in Isojoki, the average temperature is 6°C (42°F). The maximum can reach 18°C (64°F) and the minimum can be as low as -10°C (15°F). Travelers should prepare for a wide range of temperatures and dress in layers for this season.

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

The chart illustrates October temperature patterns in Isojoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isojoki, 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 -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec252329384960635951423528
Data source: Temperature data for Isojoki 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 Isojoki

In Isojoki in October, the precipitation amount is 80 mm (3.1 in) and is distributed over 14 days.

October Precipitation Trends in Isojoki

The chart displays monthly precipitation patterns in Isojoki, 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 Isojoki, October typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4346484647698711377806867
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Isojoki

In Isojoki in October, humidity is 90%. With an average temperature of 6°C (42°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious and causing your clothes to cling uncomfortably, which can be quite challenging for traveling.

October Average Humidity in Isojoki

This chart illustrates the average monthly humidity levels in Isojoki, 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 Isojoki is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Isojoki

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

Maximum UV Index Levels in Isojoki for October

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

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

This table compares monthly weather conditions in Isojoki, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)43 mm (1.7 inches)92%low
February Weather-5°C (24°F)46 mm (1.8 inches)90%low
March Weather-2°C (29°F)48 mm (1.9 inches)89%moderate
April Weather3°C (38°F)46 mm (1.8 inches)85%moderate
May Weather9°C (49°F)47 mm (1.8 inches)77%moderate
June Weather16°C (61°F)69 mm (2.7 inches)78%high
July Weather17°C (63°F)87 mm (3.4 inches)78%high
August Weather15°C (60°F)113 mm (4.5 inches)79%moderate
September Weather11°C (51°F)77 mm (3.0 inches)86%moderate
October Weather6°C (42°F)80 mm (3.1 inches)90%low
November Weather2°C (35°F)68 mm (2.7 inches)91%low
December Weather-2°C (29°F)67 mm (2.6 inches)89%low

Compare Isojoki's Climate with Cities Worldwide