October Weather in Sumiainen, Finland

Last updated: August 23, 2025

In October, the average temperature in Sumiainen, Finland is a cool 5°C (41°F). Temperatures can swing from a chilly -5°C (24°F) to a mild 18°C (65°F). Expect 80 mm (3.1 in) of precipitation spread over 16 days, contributing to a high average humidity of 95%.

October Temperature in Sumiainen

In October in Sumiainen, the average temperature is 5°C (41°F). Maximums can reach 18°C (65°F), while minimums can drop as low as -5°C (24°F). It's advisable to dress in layers and be prepared for a range of weather conditions when traveling during this time.

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

The chart illustrates October temperature patterns in Sumiainen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumiainen, October typically has an average temperature of 5°C (41°F), with highs reaching up to 18°C (65°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Sumiainen generated using information from the Copernicus Climate Change Service.

October Precipitation in Sumiainen

In Sumiainen in October, the precipitation amount is 80 mm (3.1 in) over a span of 16 days.

October Precipitation Trends in Sumiainen

The chart displays monthly precipitation patterns in Sumiainen, 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 Sumiainen, October typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Sumiainen

In Sumiainen in October, humidity is 95%. With an average temperature of 5°C (41°F), this humidity feels like a damp and chilly blanket, making travel uncomfortable as the cold moisture clings to your skin and saps your energy.

October Average Humidity in Sumiainen

This chart illustrates the average monthly humidity levels in Sumiainen, 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 Sumiainen is approximately 95%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sumiainen

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

Maximum UV Index Levels in Sumiainen for October

The chart shows the monthly maximum UV Index (UVI) for Sumiainen 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 Sumiainen typically reaches 2, which falls under the low exposure category.

Data source: Sumiainen 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 Sumiainen Compares to Other Months

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

This table compares monthly weather conditions in Sumiainen, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	45 mm (1.8 inches)	99%	low
February Weather	-6°C (21°F)	41 mm (1.6 inches)	97%	low
March Weather	-3°C (27°F)	38 mm (1.5 inches)	95%	moderate
April Weather	2°C (35°F)	43 mm (1.7 inches)	87%	moderate
May Weather	8°C (48°F)	60 mm (2.4 inches)	78%	moderate
June Weather	15°C (60°F)	57 mm (2.3 inches)	74%	high
July Weather	17°C (63°F)	71 mm (2.8 inches)	80%	high
August Weather	15°C (60°F)	89 mm (3.5 inches)	85%	moderate
September Weather	10°C (50°F)	80 mm (3.2 inches)	91%	moderate
October Weather	5°C (41°F)	80 mm (3.1 inches)	95%	low
November Weather	1°C (34°F)	62 mm (2.4 inches)	94%	low
December Weather	-3°C (26°F)	62 mm (2.4 inches)	98%	low