January Weather in Oulainen, Finland

Last updated: August 23, 2025

In January, the average temperature in Oulainen, Finland hovers around -6°C (21°F). Be prepared for chilly extremes, as temperatures can dip to a bone-chilling -33°C (-27°F) and rise to a milder 6°C (43°F). This month also brings 38 mm (1.5 in) of precipitation, typically spread over 10 days, with an astounding average humidity level of 99%.

January Temperature in Oulainen

In January in Oulainen, the average temperature is -6°C (21°F), with maximums reaching 6°C (43°F) and minimums dropping as low as -33°C (-27°F). Travelers should prepare for cold conditions and pack accordingly for this chilly destination.

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

The chart illustrates January temperature patterns in Oulainen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oulainen, January typically has an average temperature of -6°C (21°F), with highs reaching up to 6°C (43°F) and lows dropping to around -33°C (-27°F).

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

January Precipitation in Oulainen

In Oulainen in January, the precipitation amount is 38 mm (1.5 in) over the course of 10 days.

January Precipitation Trends in Oulainen

The chart displays monthly precipitation patterns in Oulainen, 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 Oulainen, January typically receives around 38 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Oulainen

In Oulainen 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 Oulainen

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

In Oulainen 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 Oulainen.

Maximum UV Index Levels in Oulainen for January

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

Data source: Oulainen 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 Oulainen Compares to Other Months

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

This table compares monthly weather conditions in Oulainen, 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)	38 mm (1.5 inches)	99%	low
February Weather	-7°C (19°F)	39 mm (1.5 inches)	97%	low
March Weather	-3°C (27°F)	38 mm (1.5 inches)	93%	low
April Weather	2°C (35°F)	40 mm (1.6 inches)	86%	moderate
May Weather	8°C (47°F)	59 mm (2.3 inches)	80%	moderate
June Weather	15°C (59°F)	57 mm (2.3 inches)	76%	high
July Weather	17°C (63°F)	74 mm (2.9 inches)	79%	high
August Weather	14°C (58°F)	93 mm (3.7 inches)	83%	moderate
September Weather	9°C (49°F)	76 mm (3.0 inches)	89%	moderate
October Weather	4°C (40°F)	83 mm (3.3 inches)	94%	low
November Weather	0°C (32°F)	61 mm (2.4 inches)	94%	low
December Weather	-4°C (25°F)	50 mm (2.0 inches)	98%	low