January Weather in Jaala, Finland

Last updated: August 23, 2025

In January, the average temperature in Jaala, Finland hovers around -4°C (25°F). Be prepared for chilling lows that can plummet to -25°C (-14°F), while highs can reach up to 7°C (46°F). Expect 49 mm (1.9 in) of precipitation spread over 12 days, contributing to an average humidity of a staggering 98%. Stay warm and dry!

January Temperature in Jaala

In January in Jaala, the average temperature is -4°C (25°F). The maximum can reach 7°C (46°F), while the minimum can drop as low as -25°C (-14°F). Travelers should be prepared for chilly conditions and pack accordingly to enjoy the winter scenery.

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

The chart illustrates January temperature patterns in Jaala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jaala, January typically has an average temperature of -4°C (25°F), with highs reaching up to 7°C (46°F) and lows dropping to around -25°C (-14°F).

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

January Precipitation in Jaala

In Jaala in January, the total precipitation amount is 49 mm (1.9 in) spread over 12 days.

January Precipitation Trends in Jaala

The chart displays monthly precipitation patterns in Jaala, 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 Jaala, January typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 12 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 Jaala

In Jaala in January humidity is 98%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that clings to your skin, making every step feel more laborious as you navigate through the frosty air, dampening your spirits as well as your clothes.

January Average Humidity in Jaala

This chart illustrates the average monthly humidity levels in Jaala, 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 Jaala is approximately 98%, 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 Jaala

In Jaala 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 Jaala.

Maximum UV Index Levels in Jaala for January

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

Data source: Jaala 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 Jaala Compares to Other Months

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

This table compares monthly weather conditions in Jaala, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	49 mm (1.9 inches)	98%	low
February Weather	-5°C (23°F)	49 mm (1.9 inches)	96%	low
March Weather	-2°C (29°F)	44 mm (1.7 inches)	93%	moderate
April Weather	3°C (38°F)	45 mm (1.8 inches)	87%	moderate
May Weather	10°C (50°F)	54 mm (2.1 inches)	75%	moderate
June Weather	16°C (61°F)	56 mm (2.2 inches)	74%	high
July Weather	18°C (64°F)	79 mm (3.1 inches)	80%	high
August Weather	16°C (61°F)	86 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)	75 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)	73 mm (2.9 inches)	96%	low