January Weather in Jakobstad, Finland

Last updated: August 23, 2025

In January, the average temperature in Jakobstad, Finland hovers around -3°C (26°F), with a minimum dipping as low as -22°C (-7°F) and a maximum reaching 6°C (44°F). Expect 38 mm (1.5 in) of precipitation over approximately 10 days, and brace yourself for high humidity levels at 97%.

January Temperature in Jakobstad

In January in Jakobstad, the average temperature is -3°C (26°F), with maximums reaching 6°C (44°F) and minimums plummeting to -22°C (-7°F). Travelers should be prepared for cold weather conditions and dress accordingly to enjoy their visit comfortably.

January Weather in Jakobstad: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Jakobstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jakobstad, January typically has an average temperature of -3°C (26°F), with highs reaching up to 6°C (44°F) and lows dropping to around -22°C (-7°F).

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

January Precipitation in Jakobstad

In Jakobstad in January, the precipitation amount is 38 mm (1.5 in) over the course of 10 days.

January Precipitation Trends in Jakobstad

The chart displays monthly precipitation patterns in Jakobstad, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Jakobstad, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Jakobstad

In Jakobstad in January humidity is 97%. With an average temperature of -3°C (26°F), this humidity feels like an icy blanket wrapped around you, making every breath feel heavy and damp, which can be quite challenging for traveling.

January Average Humidity in Jakobstad

This chart illustrates the average monthly humidity levels in Jakobstad, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Jakobstad is approximately 97%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Jakobstad

In Jakobstad in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Jakobstad.

Maximum UV Index Levels in Jakobstad for January

The chart shows the monthly maximum UV Index (UVI) for Jakobstad in January, 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 January, the maximum UV index in Jakobstad typically reaches 1, which falls under the low exposure category.

Data source: Jakobstad January 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 January Weather in Jakobstad Compares to Other Months

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

This table compares monthly weather conditions in Jakobstad, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	38 mm (1.5 inches)	97%	low
February Weather	-5°C (23°F)	41 mm (1.6 inches)	95%	low
March Weather	-2°C (28°F)	40 mm (1.6 inches)	92%	moderate
April Weather	1°C (35°F)	37 mm (1.5 inches)	85%	moderate
May Weather	7°C (44°F)	49 mm (1.9 inches)	77%	moderate
June Weather	13°C (56°F)	48 mm (1.9 inches)	74%	high
July Weather	17°C (62°F)	64 mm (2.5 inches)	79%	high
August Weather	15°C (60°F)	85 mm (3.4 inches)	82%	moderate
September Weather	11°C (52°F)	79 mm (3.1 inches)	89%	moderate
October Weather	6°C (43°F)	94 mm (3.7 inches)	93%	low
November Weather	2°C (36°F)	64 mm (2.5 inches)	93%	low
December Weather	-1°C (30°F)	52 mm (2.1 inches)	95%	low