January Weather in Lumijoki, Finland

Last updated: August 23, 2025

In Lumijoki, Finland, the average temperature in January is a brisk -7°C (20°F), with temperatures dipping as low as -32°C (-25°F) and peaking at 6°C (42°F). Expect 37 mm (1.4 in) of precipitation over 9 days, contributing to an average humidity of a staggering 100%. Stay warm and prepared for the elements!

January Temperature in Lumijoki

In January in Lumijoki, the average temperature is -7°C (20°F), with maximums reaching 6°C (42°F) and minimums dropping as low as -32°C (-25°F). Travelers should be prepared for extreme cold conditions when planning their visit.

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

The chart illustrates January temperature patterns in Lumijoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lumijoki, January typically has an average temperature of -7°C (20°F), with highs reaching up to 6°C (42°F) and lows dropping to around -32°C (-25°F).

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

January Precipitation in Lumijoki

In Lumijoki in January, the total precipitation amount is 37 mm (1.4 in) spread across 9 days.

January Precipitation Trends in Lumijoki

The chart displays monthly precipitation patterns in Lumijoki, 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 Lumijoki, January typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 9 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 Lumijoki

In Lumijoki in January, humidity is 100%. With an average temperature of -7°C (20°F), this humidity feels like an icy suffocation, making travel cumbersome as you battle both the chill and the dampness that clings to your skin, creating an overwhelming sense of discomfort.

January Average Humidity in Lumijoki

This chart illustrates the average monthly humidity levels in Lumijoki, 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 Lumijoki is approximately 100%, 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 Lumijoki

In Lumijoki 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 Lumijoki.

Maximum UV Index Levels in Lumijoki for January

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

Data source: Lumijoki 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 Lumijoki Compares to Other Months

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

This table compares monthly weather conditions in Lumijoki, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	37 mm (1.4 inches)	100%	low
February Weather	-8°C (18°F)	37 mm (1.4 inches)	98%	low
March Weather	-4°C (26°F)	37 mm (1.5 inches)	95%	moderate
April Weather	1°C (34°F)	37 mm (1.5 inches)	87%	moderate
May Weather	8°C (46°F)	53 mm (2.1 inches)	81%	moderate
June Weather	14°C (58°F)	56 mm (2.2 inches)	77%	high
July Weather	17°C (62°F)	78 mm (3.1 inches)	79%	high
August Weather	14°C (58°F)	96 mm (3.8 inches)	84%	moderate
September Weather	9°C (49°F)	71 mm (2.8 inches)	90%	moderate
October Weather	4°C (40°F)	78 mm (3.1 inches)	95%	low
November Weather	0°C (31°F)	59 mm (2.3 inches)	95%	low
December Weather	-4°C (25°F)	52 mm (2.0 inches)	99%	low