April Weather in Koeru, Estonia

Last updated: August 23, 2025

In April, the average temperature in Koeru, Estonia is a crisp 4°C (40°F). Expect a chill in the air with minimum temperatures dipping to -10°C (13°F), while the mercury can rise to a pleasant 21°C (71°F). During this month, precipitation measures around 47 mm (1.8 in) across 11 days, and you'll likely feel the humid air with an average humidity of 87%.

April Temperature in Koeru

In April in Koeru, the average temperature is 4°C (40°F). Maximums can reach 21°C (71°F), while minimums can drop as low as -10°C (13°F). Be prepared for a wide range of temperatures and pack accordingly for your trip.

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

The chart illustrates April 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, April typically has an average temperature of 4°C (40°F), with highs reaching up to 21°C (71°F) and lows dropping to around -10°C (13°F).

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

April Precipitation in Koeru

In Koeru in April, the total precipitation amount is 47 mm (1.8 in), which falls over the course of 11 days.

April Precipitation Trends in Koeru

The chart displays monthly precipitation patterns in Koeru, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Koeru, April typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Koeru

In Koeru in April humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

April Average Humidity in Koeru

This chart illustrates the average monthly humidity levels in Koeru, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Koeru is approximately 87%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Koeru

In Koeru in April, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Koeru for better planning.

Maximum UV Index Levels in Koeru for April

The chart shows the monthly maximum UV Index (UVI) for Koeru in April, 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 April, the maximum UV index in Koeru typically reaches 4, which falls under the moderate exposure category.

Data source: Koeru April 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 April 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 April’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 April’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