October Weather in Karttula, Finland

Last updated: August 23, 2025

In October, the average temperature in Karttula, Finland hovers around 5°C (41°F). Expect a chill as the temperature can dip to a brisk -6°C (22°F), while it may peak at a cozy 19°C (66°F). Be prepared for some wet weather too, with an average precipitation of 86 mm (3.4 in) over 16 days, leaving you with a humidity level of 95%.

October Temperature in Karttula

In October in Karttula, the average temperature is 5°C (41°F). Maximums can reach 19°C (66°F), while minimums can drop as low as -6°C (22°F). This variability in temperature makes it essential for travelers to pack layers to stay comfortable during their visit.

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

The chart illustrates October temperature patterns in Karttula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karttula, October typically has an average temperature of 5°C (41°F), with highs reaching up to 19°C (66°F) and lows dropping to around -6°C (22°F).

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

October Precipitation in Karttula

In Karttula in October, the precipitation amount is 86 mm (3.4 in) over a period of 16 days.

October Precipitation Trends in Karttula

The chart displays monthly precipitation patterns in Karttula, 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 Karttula, October typically receives around 86 mm (3.4 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 Karttula

In Karttula 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 Karttula

This chart illustrates the average monthly humidity levels in Karttula, 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 Karttula 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 Karttula

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

Maximum UV Index Levels in Karttula for October

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

Data source: Karttula 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 Karttula Compares to Other Months

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

This table compares monthly weather conditions in Karttula, 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 (21°F)	49 mm (1.9 inches)	99%	low
February Weather	-7°C (20°F)	42 mm (1.7 inches)	97%	low
March Weather	-3°C (26°F)	41 mm (1.6 inches)	95%	moderate
April Weather	2°C (35°F)	44 mm (1.7 inches)	87%	moderate
May Weather	8°C (47°F)	54 mm (2.1 inches)	78%	moderate
June Weather	15°C (60°F)	59 mm (2.3 inches)	74%	high
July Weather	17°C (63°F)	79 mm (3.1 inches)	80%	high
August Weather	15°C (60°F)	98 mm (3.9 inches)	85%	moderate
September Weather	10°C (50°F)	91 mm (3.6 inches)	91%	moderate
October Weather	5°C (41°F)	86 mm (3.4 inches)	95%	low
November Weather	1°C (33°F)	75 mm (2.9 inches)	94%	low
December Weather	-4°C (25°F)	67 mm (2.6 inches)	98%	low