January Weather in Haapajaervi, Finland

Last updated: August 23, 2025

In January, the average temperature in Haapajaervi, Finland hovers around -6°C (21°F), with potential extremes ranging from a chilly -31°C (-24°F) to a mild 6°C (44°F). During this time, expect about 40 mm (1.6 in) of precipitation spread over 11 days, and brace yourself for an impressive average humidity of 99%.

January Temperature in Haapajaervi

In January in Haapajaervi, 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 Haapajaervi: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Haapajaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haapajaervi, 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 Haapajaervi generated using information from the Copernicus Climate Change Service.

January Precipitation in Haapajaervi

In Haapajaervi in January, the precipitation amount is 40 mm (1.6 in) spread over a duration of 11 days.

January Precipitation Trends in Haapajaervi

The chart displays monthly precipitation patterns in Haapajaervi, 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 Haapajaervi, January typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 11 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 Haapajaervi

In Haapajaervi 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 Haapajaervi

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

In Haapajaervi 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 Haapajaervi.

Maximum UV Index Levels in Haapajaervi for January

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

Data source: Haapajaervi 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 Haapajaervi Compares to Other Months

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

This table compares monthly weather conditions in Haapajaervi, 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)	40 mm (1.6 inches)	99%	low
February Weather	-7°C (19°F)	40 mm (1.6 inches)	97%	low
March Weather	-3°C (27°F)	38 mm (1.5 inches)	95%	low
April Weather	2°C (36°F)	41 mm (1.6 inches)	87%	moderate
May Weather	8°C (47°F)	59 mm (2.3 inches)	78%	moderate
June Weather	15°C (59°F)	56 mm (2.2 inches)	74%	high
July Weather	17°C (62°F)	78 mm (3.1 inches)	80%	high
August Weather	14°C (58°F)	85 mm (3.4 inches)	85%	moderate
September Weather	9°C (49°F)	76 mm (3.0 inches)	91%	moderate
October Weather	4°C (39°F)	82 mm (3.2 inches)	95%	low
November Weather	0°C (32°F)	62 mm (2.4 inches)	94%	low
December Weather	-4°C (25°F)	50 mm (2.0 inches)	98%	low