October Weather in Heinola, Finland

Last updated: August 23, 2025

In October, the average temperature in Heinola, Finland hovers around 6°C (43°F). Expect chilly nights with a minimum of -5°C (23°F), while the daytime can warm up to a comfortable 17°C (63°F). Be prepared for wet days, as precipitation averages 77 mm (3.0 in) over 15 days, and embrace the dampness of the air with an average humidity level of 94%.

October Temperature in Heinola

In October in Heinola, the average temperature is 6°C (43°F). The maximum can reach 17°C (63°F), while the minimum can dip as low as -5°C (23°F). Dress in layers and prepare for varying weather conditions to ensure a comfortable travel experience.

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

The chart illustrates October temperature patterns in Heinola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heinola, October typically has an average temperature of 6°C (43°F), with highs reaching up to 17°C (63°F) and lows dropping to around -5°C (23°F).

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

October Precipitation in Heinola

In Heinola in October, the precipitation amount is 77 mm (3.0 in) over a span of 15 days.

October Precipitation Trends in Heinola

The chart displays monthly precipitation patterns in Heinola, 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 Heinola, October typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Heinola

In Heinola in October humidity is 94%. With an average temperature of 6°C (43°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor travel uncomfortable and necessitating warm, waterproof clothing to stay dry and cozy.

October Average Humidity in Heinola

This chart illustrates the average monthly humidity levels in Heinola, 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 Heinola is approximately 94%, 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 Heinola

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

Maximum UV Index Levels in Heinola for October

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

Data source: Heinola 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 Heinola Compares to Other Months

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

This table compares monthly weather conditions in Heinola, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	47 mm (1.9 inches)	98%	low
February Weather	-5°C (23°F)	44 mm (1.7 inches)	96%	low
March Weather	-2°C (29°F)	43 mm (1.7 inches)	93%	moderate
April Weather	3°C (38°F)	47 mm (1.8 inches)	87%	moderate
May Weather	9°C (49°F)	56 mm (2.2 inches)	75%	moderate
June Weather	15°C (60°F)	62 mm (2.5 inches)	74%	high
July Weather	17°C (63°F)	80 mm (3.1 inches)	80%	high
August Weather	16°C (61°F)	87 mm (3.4 inches)	85%	moderate
September Weather	11°C (52°F)	64 mm (2.5 inches)	90%	moderate
October Weather	6°C (43°F)	77 mm (3.0 inches)	94%	low
November Weather	2°C (36°F)	54 mm (2.1 inches)	94%	low
December Weather	-2°C (28°F)	69 mm (2.7 inches)	96%	low