January Weather in Riihimaeki, Finland

Last updated: August 23, 2025

In January, the average temperature in Riihimaeki, Finland hovers around -4°C (26°F). While you might experience a chilling minimum of -25°C (-13°F), the mercury can rise to a maximum of 8°C (46°F). Be prepared for wet weather, as 51 mm (2.0 in) of precipitation typically falls over 11 days. Don't forget your layers; the average humidity lingers at a high 97%!

January Temperature in Riihimaeki

In January in Riihimaeki, the average temperature is -4°C (26°F). The maximum can reach 8°C (46°F), while the minimum can dip as low as -25°C (-13°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in Riihimaeki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riihimaeki, January typically has an average temperature of -4°C (26°F), with highs reaching up to 8°C (46°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Riihimaeki

In Riihimaeki in January, the precipitation amount is 51 mm (2.0 in) spread over 11 days.

January Precipitation Trends in Riihimaeki

The chart displays monthly precipitation patterns in Riihimaeki, 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 Riihimaeki, January typically receives around 51 mm (2.0 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 Riihimaeki

In Riihimaeki in January humidity is 97%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to keep warm.

January Average Humidity in Riihimaeki

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

In Riihimaeki 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 Riihimaeki.

Maximum UV Index Levels in Riihimaeki for January

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

Data source: Riihimaeki 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 Riihimaeki Compares to Other Months

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

This table compares monthly weather conditions in Riihimaeki, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	51 mm (2.0 inches)	97%	low
February Weather	-4°C (24°F)	44 mm (1.7 inches)	95%	low
March Weather	-1°C (30°F)	46 mm (1.8 inches)	93%	moderate
April Weather	4°C (39°F)	46 mm (1.8 inches)	86%	moderate
May Weather	10°C (51°F)	58 mm (2.3 inches)	75%	moderate
June Weather	16°C (62°F)	65 mm (2.5 inches)	75%	high
July Weather	17°C (64°F)	82 mm (3.2 inches)	80%	high
August Weather	16°C (61°F)	77 mm (3.0 inches)	83%	moderate
September Weather	11°C (52°F)	66 mm (2.6 inches)	90%	moderate
October Weather	6°C (43°F)	77 mm (3.0 inches)	93%	low
November Weather	2°C (36°F)	53 mm (2.1 inches)	94%	low
December Weather	-2°C (29°F)	67 mm (2.6 inches)	95%	low