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October Weather in Yli-Ii, Finland

Last updated: August 23, 2025

In Yli-Ii, Finland, the average temperature in October hovers around 4°C (39°F). Expect variations with a minimum reaching -15°C (5°F) and a maximum of 16°C (62°F). This month also sees 86 mm (3.4 in) of precipitation spread over 15 days, contributing to an average humidity of 95%.

October Temperature in Yli-Ii

In October in Yli-Ii, the average temperature is 4°C (39°F), with maximums reaching up to 16°C (62°F) and minimums dropping as low as -15°C (5°F). Travelers should be prepared for a chilly climate, ranging from cold to mild conditions during their visit.

October Weather in Yli-Ii: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Yli-Ii, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yli-Ii, October typically has an average temperature of 4°C (39°F), with highs reaching up to 16°C (62°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec181624334557635748393023
Data source: Temperature data for Yli-Ii 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 Yli-Ii

In Yli-Ii in October, the precipitation amount is 86 mm (3.4 in) that falls over a span of 15 days.

October Precipitation Trends in Yli-Ii

The chart displays monthly precipitation patterns in Yli-Ii, 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 Yli-Ii, October typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec454346415166779576866763
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Yli-Ii

In Yli-Ii in October humidity is 95%. With an average temperature of 4°C (39°F), this humidity feels like walking through a damp, chilly fog that clings to your skin, making every step feel heavy and every breath a reminder of the cold, damp air surrounding you, creating a uniquely uncomfortable experience for traveling.

October Average Humidity in Yli-Ii

This chart illustrates the average monthly humidity levels in Yli-Ii, 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 Yli-Ii is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec100%98%95%87%81%77%79%84%90%95%95%99%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Yli-Ii

In Yli-Ii 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 Yli-Ii, you can visit Hourly UV Index in Yli-Ii.

Maximum UV Index Levels in Yli-Ii for October

The chart shows the monthly maximum UV Index (UVI) for Yli-Ii 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 Yli-Ii typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112346643211
Data source: Yli-Ii 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 Yli-Ii Compares to Other Months

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

This table compares monthly weather conditions in Yli-Ii, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)45 mm (1.8 inches)100%low
February Weather-9°C (17°F)42 mm (1.7 inches)98%low
March Weather-4°C (25°F)46 mm (1.8 inches)95%low
April Weather1°C (34°F)41 mm (1.6 inches)87%moderate
May Weather7°C (45°F)51 mm (2.0 inches)81%moderate
June Weather14°C (58°F)66 mm (2.6 inches)77%high
July Weather17°C (63°F)77 mm (3.0 inches)79%high
August Weather14°C (58°F)95 mm (3.7 inches)84%moderate
September Weather9°C (49°F)76 mm (3.0 inches)90%moderate
October Weather4°C (39°F)86 mm (3.4 inches)95%low
November Weather-1°C (30°F)67 mm (2.6 inches)95%low
December Weather-5°C (23°F)63 mm (2.5 inches)99%low

Compare Yli-Ii's Climate with Cities Worldwide