May Weather in Koeru, Estonia

Last updated: August 23, 2025

The average temperature in Koeru, Estonia during May is a cool 10°C (51°F). Prepare for the possibility of temperatures dipping as low as -5°C (23°F), while sometimes reaching up to 27°C (80°F). Expect approximately 52 mm (2.1 in) of precipitation spread over 11 days, coupled with an average humidity of 73%.

May Temperature in Koeru

In May in Koeru, the average temperature is 10°C (51°F). Maximums can reach 27°C (80°F) and minimums can be as low as -5°C (23°F). Travelers should pack layers to stay comfortable in the variable weather conditions.

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

The chart illustrates May 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, May typically has an average temperature of 10°C (51°F), with highs reaching up to 27°C (80°F) and lows dropping to around -5°C (23°F).

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

May Precipitation in Koeru

In Koeru in May, the total precipitation amount is 52 mm (2.1 in) over the course of 11 days.

May Precipitation Trends in Koeru

The chart displays monthly precipitation patterns in Koeru, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Koeru, May typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Koeru

In Koeru in May, humidity is 73%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, causing your clothes to cling to your skin and a persistent coolness that seeps into your bones, which might deter long excursions without proper layering.

May Average Humidity in Koeru

This chart illustrates the average monthly humidity levels in Koeru, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Koeru is approximately 73%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Koeru

In Koeru in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Koeru.

Maximum UV Index Levels in Koeru for May

The chart shows the monthly maximum UV Index (UVI) for Koeru in May, 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 May, the maximum UV index in Koeru typically reaches 5, which falls under the moderate exposure category.

Data source: Koeru May 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 May 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 May’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 May’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