April Weather in Alu, Estonia

Last updated: August 23, 2025

In April, the average temperature in Alu, Estonia hovers around 5°C (41°F). Expect a range from a chilly -9°C (16°F) to a mild 21°C (71°F). During this month, precipitation totals around 45 mm (1.8 in) over 9 days, complementing the average humidity of 87% for a rather damp experience.

April Temperature in Alu

In April in Alu, the average temperature is 5°C (41°F), with maximums reaching 21°C (71°F) and minimums dropping as low as -9°C (16°F). Be prepared for a wide range of temperatures when traveling to Alu during this month.

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

The chart illustrates April temperature patterns in Alu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alu, April typically has an average temperature of 5°C (41°F), with highs reaching up to 21°C (71°F) and lows dropping to around -9°C (16°F).

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

April Precipitation in Alu

In Alu in April, the precipitation amount is 45 mm (1.8 in) spread over 9 days.

April Precipitation Trends in Alu

The chart displays monthly precipitation patterns in Alu, 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 Alu, April typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 9 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 Alu

In Alu in April humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

April Average Humidity in Alu

This chart illustrates the average monthly humidity levels in Alu, 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 Alu 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 Alu

In Alu 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 Alu for better planning.

Maximum UV Index Levels in Alu for April

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

Data source: Alu 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 Alu Compares to Other Months

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

This table compares monthly weather conditions in Alu, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	42 mm (1.7 inches)	92%	low
February Weather	-3°C (27°F)	48 mm (1.9 inches)	91%	low
March Weather	0°C (32°F)	50 mm (2.0 inches)	90%	moderate
April Weather	5°C (41°F)	45 mm (1.8 inches)	87%	moderate
May Weather	10°C (51°F)	58 mm (2.3 inches)	76%	moderate
June Weather	16°C (61°F)	64 mm (2.5 inches)	80%	high
July Weather	18°C (64°F)	79 mm (3.1 inches)	80%	high
August Weather	16°C (62°F)	108 mm (4.2 inches)	83%	high
September Weather	12°C (54°F)	75 mm (2.9 inches)	87%	moderate
October Weather	7°C (46°F)	92 mm (3.6 inches)	90%	low
November Weather	3°C (38°F)	54 mm (2.1 inches)	91%	low
December Weather	-1°C (31°F)	54 mm (2.1 inches)	90%	low