January Weather in Jaervelae, Finland

Last updated: August 23, 2025

In January, the average temperature in Jaervelae, Finland hovers around -4°C (26°F). However, temperatures can plummet to a chilling -26°C (-15°F) or rise to a mild 8°C (47°F). Expect about 51 mm (2.0 in) of precipitation spread across 11 days, accompanied by a high average humidity of 98%.

January Temperature in Jaervelae

In January in Jaervelae, the average temperature is -4°C (26°F), with a maximum reaching 8°C (47°F) and a minimum dropping as low as -26°C (-15°F). Be prepared for chilly weather and dress in warm layers if you're planning to visit during this time.

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

The chart illustrates January temperature patterns in Jaervelae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jaervelae, January typically has an average temperature of -4°C (26°F), with highs reaching up to 8°C (47°F) and lows dropping to around -26°C (-15°F).

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

January Precipitation in Jaervelae

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

January Precipitation Trends in Jaervelae

The chart displays monthly precipitation patterns in Jaervelae, 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 Jaervelae, 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.

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Millimeters (mm) Inches (in)

January Humidity in Jaervelae

In Jaervelae in January humidity is 98%. With an average temperature of -4°C (26°F), this humidity feels like a bone-chilling embrace, making it difficult to enjoy outdoor activities and travel comfortably.

January Average Humidity in Jaervelae

This chart illustrates the average monthly humidity levels in Jaervelae, 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 Jaervelae is approximately 98%, 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 Jaervelae

In Jaervelae 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 Jaervelae.

Maximum UV Index Levels in Jaervelae for January

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

Data source: Jaervelae 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 Jaervelae Compares to Other Months

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

This table compares monthly weather conditions in Jaervelae, 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)	98%	low
February Weather	-4°C (24°F)	45 mm (1.8 inches)	96%	low
March Weather	-1°C (30°F)	47 mm (1.8 inches)	93%	moderate
April Weather	4°C (39°F)	47 mm (1.8 inches)	87%	moderate
May Weather	10°C (51°F)	54 mm (2.1 inches)	75%	moderate
June Weather	16°C (62°F)	62 mm (2.4 inches)	74%	high
July Weather	17°C (64°F)	77 mm (3.0 inches)	80%	high
August Weather	16°C (61°F)	75 mm (3.0 inches)	85%	moderate
September Weather	11°C (52°F)	63 mm (2.5 inches)	90%	moderate
October Weather	6°C (43°F)	79 mm (3.1 inches)	94%	low
November Weather	2°C (36°F)	53 mm (2.1 inches)	94%	low
December Weather	-2°C (29°F)	70 mm (2.8 inches)	96%	low