December Weather in Koeru, Estonia

Last updated: August 23, 2025

In December, the average temperature in Koeru, Estonia hovers around -2°C (29°F), with minimums dipping to a brisk -25°C (-12°F) and highs reaching a mild 8°C (46°F). During this time, precipitation amounts to 59 mm (2.3 in) spread over 14 days, contributing to an average humidity of an impressive 93%.

December Temperature in Koeru

In December in Koeru, the average temperature is -2°C (29°F), with maximums reaching 8°C (46°F) and minimums dropping as low as -25°C (-12°F). Travelers should prepare for cold weather and pack accordingly to ensure a comfortable experience.

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

The chart illustrates December temperature patterns in Koeru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koeru, December typically has an average temperature of -2°C (29°F), with highs reaching up to 8°C (46°F) and lows dropping to around -25°C (-12°F).

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

December Precipitation in Koeru

In Koeru in December, the total precipitation amount is 59 mm (2.3 in) spread over 14 days.

December Precipitation Trends in Koeru

The chart displays monthly precipitation patterns in Koeru, 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 Koeru, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 14 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 Koeru

In Koeru in December humidity is 93%. With an average temperature of -2°C (29°F), this humidity feels like a dense, frosty blanket that clings to you, making the cold seep into your bones and transforming outdoor activities into a chilly challenge.

December Average Humidity in Koeru

This chart illustrates the average monthly humidity levels in Koeru, 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 Koeru is approximately 93%, 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 Koeru

In Koeru 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 Koeru.

Maximum UV Index Levels in Koeru for December

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

Data source: Koeru 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 Koeru Compares to Other Months

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

This table compares monthly weather conditions in Koeru, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	42 mm (1.7 inches)	95%	low
February Weather	-3°C (26°F)	46 mm (1.8 inches)	93%	low
March Weather	-1°C (31°F)	49 mm (1.9 inches)	90%	moderate
April Weather	4°C (40°F)	47 mm (1.8 inches)	87%	moderate
May Weather	10°C (51°F)	52 mm (2.1 inches)	73%	moderate
June Weather	16°C (61°F)	66 mm (2.6 inches)	77%	high
July Weather	17°C (64°F)	71 mm (2.8 inches)	80%	high
August Weather	16°C (61°F)	99 mm (3.9 inches)	84%	high
September Weather	12°C (54°F)	69 mm (2.7 inches)	89%	moderate
October Weather	7°C (45°F)	81 mm (3.2 inches)	92%	low
November Weather	3°C (37°F)	55 mm (2.2 inches)	93%	low
December Weather	-2°C (29°F)	59 mm (2.3 inches)	93%	low