January Weather in Siikajoki, Finland

Last updated: August 23, 2025

In January, the average temperature in Siikajoki, Finland hovers around -6°C (21°F). Expect chilly extremes, with minimums plummeting to -27°C (-16°F) and maximums reaching a crisp 6°C (42°F). Alongside the cold, anticipate 37 mm (1.4 in) of precipitation over approximately 9 days, resulting in an average humidity of a staggering 99%. Stay warm and prepared for the elements!

January Temperature in Siikajoki

In January in Siikajoki, the average temperature is -6°C (21°F). The maximum can reach 6°C (42°F), while the minimum can drop as low as -27°C (-16°F). Travelers should be prepared for extremely cold weather and should dress warmly when visiting during this month.

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

The chart illustrates January temperature patterns in Siikajoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siikajoki, January typically has an average temperature of -6°C (21°F), with highs reaching up to 6°C (42°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in Siikajoki

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

January Precipitation Trends in Siikajoki

The chart displays monthly precipitation patterns in Siikajoki, 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 Siikajoki, 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 Siikajoki

In Siikajoki in January humidity is 99%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket that clings to your skin, making every breath feel damp and biting, which can be quite uncomfortable for traveling.

January Average Humidity in Siikajoki

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

In Siikajoki 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 Siikajoki.

Maximum UV Index Levels in Siikajoki for January

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

Data source: Siikajoki 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 Siikajoki Compares to Other Months

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

This table compares monthly weather conditions in Siikajoki, 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 (21°F)	37 mm (1.4 inches)	99%	low
February Weather	-7°C (19°F)	37 mm (1.4 inches)	97%	low
March Weather	-4°C (25°F)	37 mm (1.4 inches)	93%	moderate
April Weather	0°C (33°F)	37 mm (1.5 inches)	86%	moderate
May Weather	7°C (44°F)	54 mm (2.1 inches)	80%	moderate
June Weather	13°C (57°F)	51 mm (2.0 inches)	76%	high
July Weather	17°C (62°F)	68 mm (2.7 inches)	79%	high
August Weather	15°C (59°F)	91 mm (3.6 inches)	83%	moderate
September Weather	10°C (51°F)	76 mm (3.0 inches)	89%	moderate
October Weather	5°C (41°F)	87 mm (3.4 inches)	94%	low
November Weather	1°C (33°F)	62 mm (2.4 inches)	94%	low
December Weather	-3°C (27°F)	52 mm (2.1 inches)	98%	low