December Weather in Ylivieska, Finland

Last updated: August 23, 2025

In December, the average temperature in Ylivieska, Finland hovers around -4°C (25°F), with extremes ranging from a chilly -22°C (-8°F) to a mild 5°C (41°F). Expect a precipitation amount of 48 mm (1.9 in) spread across approximately 12 days of the month. Humidity levels are notably high, averaging at 95%, enhancing the cold atmosphere.

December Temperature in Ylivieska

In December in Ylivieska, the average temperature is -4°C (25°F), with a maximum reaching 5°C (41°F) and a minimum plummeting to -22°C (-8°F). Be prepared for extremely cold conditions and dress warmly if you plan to travel during this time.

December Weather in Ylivieska: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ylivieska, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ylivieska, December typically has an average temperature of -4°C (25°F), with highs reaching up to 5°C (41°F) and lows dropping to around -22°C (-8°F).

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

December Precipitation in Ylivieska

In Ylivieska in December, the precipitation amount is 48 mm (1.9 in) over a span of 12 days.

December Precipitation Trends in Ylivieska

The chart displays monthly precipitation patterns in Ylivieska, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Ylivieska, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Ylivieska

In Ylivieska in December humidity is 95%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making outdoor travel uncomfortable and necessitating warm layers to combat the dampness.

December Average Humidity in Ylivieska

This chart illustrates the average monthly humidity levels in Ylivieska, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Ylivieska is approximately 95%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ylivieska

In Ylivieska in December, 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 Ylivieska.

Maximum UV Index Levels in Ylivieska for December

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

Data source: Ylivieska December 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 December Weather in Ylivieska Compares to Other Months

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

This table compares monthly weather conditions in Ylivieska, showing how December’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