January Weather in Sievi, Finland

Last updated: August 23, 2025

In Sievi, Finland, the average temperature in January hovers around -6°C (21°F). During this time, temperatures can plummet to a chilling -31°C (-24°F) or occasionally rise to a maximum of 6°C (44°F). Expect about 37 mm (1.5 in) of precipitation spread over 10 days, with an average humidity level of 97%. Stay warm and prepared for the cold!

January Temperature in Sievi

In January in Sievi, the average temperature is -6°C (21°F), with maximums reaching 6°C (44°F) and minimums plunging as low as -31°C (-24°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm.

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

The chart illustrates January temperature patterns in Sievi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sievi, January typically has an average temperature of -6°C (21°F), with highs reaching up to 6°C (44°F) and lows dropping to around -31°C (-24°F).

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

January Precipitation in Sievi

In Sievi in January, the precipitation amount is 37 mm (1.5 in) spread over a duration of 10 days.

January Precipitation Trends in Sievi

The chart displays monthly precipitation patterns in Sievi, 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 Sievi, January typically receives around 37 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.

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Millimeters (mm) Inches (in)

January Humidity in Sievi

In Sievi in January, humidity is 97%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel particularly challenging as the cold clings to your skin and dampens even the most spirited adventures.

January Average Humidity in Sievi

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

In Sievi 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 Sievi.

Maximum UV Index Levels in Sievi for January

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

Data source: Sievi 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 Sievi Compares to Other Months

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

This table compares monthly weather conditions in Sievi, 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 (1.5 inches)	97%	low
February Weather	-7°C (20°F)	40 mm (1.6 inches)	95%	low
March Weather	-3°C (27°F)	37 mm (1.5 inches)	92%	low
April Weather	2°C (36°F)	39 mm (1.5 inches)	85%	moderate
May Weather	8°C (47°F)	58 mm (2.3 inches)	77%	moderate
June Weather	15°C (59°F)	56 mm (2.2 inches)	74%	high
July Weather	17°C (63°F)	72 mm (2.9 inches)	79%	high
August Weather	14°C (58°F)	91 mm (3.6 inches)	82%	moderate
September Weather	10°C (49°F)	76 mm (3.0 inches)	89%	moderate
October Weather	4°C (40°F)	83 mm (3.3 inches)	93%	low
November Weather	0°C (32°F)	59 mm (2.3 inches)	93%	low
December Weather	-4°C (25°F)	48 mm (1.9 inches)	95%	low