January Weather in Joroinen, Finland

Last updated: August 23, 2025

In January, the average temperature in Joroinen, Finland hovers around -6°C (22°F). However, temperatures can plummet to a chilling -27°C (-17°F) and can occasionally peak at 7°C (44°F). Expect limited precipitation, with around 48 mm (1.9 in) falling over 11 days, coupled with a staggering average humidity of 99%. Prepare for a frosty and moist month ahead!

January Temperature in Joroinen

In January in Joroinen, the average temperature is -6°C (22°F). The maximum can reach 7°C (44°F), while the minimum can drop as low as -27°C (-17°F). Travelers should be prepared for cold and potentially extreme weather conditions during this month.

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

The chart illustrates January temperature patterns in Joroinen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joroinen, January typically has an average temperature of -6°C (22°F), with highs reaching up to 7°C (44°F) and lows dropping to around -27°C (-17°F).

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

January Precipitation in Joroinen

In Joroinen in January, the precipitation amount is 48 mm (1.9 in) over a span of 11 days.

January Precipitation Trends in Joroinen

The chart displays monthly precipitation patterns in Joroinen, 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 Joroinen, January typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Joroinen

In Joroinen in January, humidity is 99%. With an average temperature of -6°C (22°F), this humidity feels like trudging through a dense fog, making every breath a chilling reminder of the cold, while the air clings heavily to your skin, creating a uniquely uncomfortable yet eerily beautiful atmosphere for traveling.

January Average Humidity in Joroinen

This chart illustrates the average monthly humidity levels in Joroinen, 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 Joroinen is approximately 99%, 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 Joroinen

In Joroinen 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 Joroinen.

Maximum UV Index Levels in Joroinen for January

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

Data source: Joroinen 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 Joroinen Compares to Other Months

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

This table compares monthly weather conditions in Joroinen, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	48 mm (1.9 inches)	99%	low
February Weather	-6°C (21°F)	42 mm (1.7 inches)	98%	low
March Weather	-3°C (27°F)	44 mm (1.7 inches)	95%	moderate
April Weather	2°C (36°F)	44 mm (1.7 inches)	87%	moderate
May Weather	9°C (49°F)	58 mm (2.3 inches)	78%	moderate
June Weather	16°C (61°F)	63 mm (2.5 inches)	75%	high
July Weather	17°C (63°F)	82 mm (3.2 inches)	83%	high
August Weather	15°C (60°F)	84 mm (3.3 inches)	88%	moderate
September Weather	10°C (51°F)	77 mm (3.0 inches)	92%	moderate
October Weather	5°C (42°F)	73 mm (2.9 inches)	95%	low
November Weather	1°C (34°F)	61 mm (2.4 inches)	94%	low
December Weather	-4°C (26°F)	67 mm (2.6 inches)	98%	low