October Weather in Karis, Finland

Last updated: August 23, 2025

In October, the average temperature in Karis, Finland hovers around 8°C (47°F), with a minimum dip to -2°C (28°F) and a pleasant maximum of 15°C (60°F). Expect precipitation of about 110 mm (4.3 in) distributed over 18 days, while the air remains quite humid, averaging 90% humidity.

October Temperature in Karis

In October in Karis, the average temperature is 8°C (47°F). The maximum can reach 15°C (60°F) and the minimum can be as low as -2°C (28°F). It's a great time to visit if you enjoy cool weather and exploring cozy indoor attractions.

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

The chart illustrates October temperature patterns in Karis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karis, October typically has an average temperature of 8°C (47°F), with highs reaching up to 15°C (60°F) and lows dropping to around -2°C (28°F).

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

October Precipitation in Karis

In Karis in October, the precipitation amount is 110 mm (4.3 in) over the course of 18 days.

October Precipitation Trends in Karis

The chart displays monthly precipitation patterns in Karis, 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 Karis, October typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 18 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 Karis

In Karis in October, humidity is 90%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill enveloping you, making even short walks outside feel uncomfortable and heavy, as if the air is thick with moisture.

October Average Humidity in Karis

This chart illustrates the average monthly humidity levels in Karis, 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 Karis is approximately 90%, 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 Karis

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

Maximum UV Index Levels in Karis for October

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

Data source: Karis 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 Karis Compares to Other Months

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

This table compares monthly weather conditions in Karis, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	60 mm (2.3 inches)	92%	low
February Weather	-2°C (28°F)	50 mm (2.0 inches)	91%	low
March Weather	0°C (32°F)	55 mm (2.2 inches)	90%	moderate
April Weather	4°C (39°F)	36 mm (1.4 inches)	87%	moderate
May Weather	9°C (48°F)	47 mm (1.9 inches)	76%	moderate
June Weather	15°C (60°F)	46 mm (1.8 inches)	80%	high
July Weather	18°C (64°F)	73 mm (2.9 inches)	80%	high
August Weather	17°C (63°F)	86 mm (3.4 inches)	83%	moderate
September Weather	13°C (55°F)	71 mm (2.8 inches)	87%	moderate
October Weather	8°C (47°F)	110 mm (4.3 inches)	90%	low
November Weather	5°C (41°F)	76 mm (3.0 inches)	91%	low
December Weather	1°C (33°F)	80 mm (3.1 inches)	90%	low