May Weather in Iisaku, Estonia

Last updated: August 23, 2025

In May, the average temperature in Iisaku, Estonia is a mild 11°C (51°F), with temperatures ranging from a chilly -1°C (31°F) to a warm 25°C (77°F). Expect 62 mm (2.5 inches) of precipitation spread over 11 days, contributing to an average humidity of 73%. Enjoy the varied weather!

May Temperature in Iisaku

In May in Iisaku, the average temperature is 11°C (51°F). The maximum can reach 25°C (77°F), and the minimum can be as low as -1°C (31°F). This diverse temperature range makes it essential to pack layers for your travels.

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

The chart illustrates May temperature patterns in Iisaku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iisaku, May typically has an average temperature of 11°C (51°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Iisaku

In Iisaku in May, the precipitation amount is 62 mm (2.5 in), occurring over a span of 11 days.

May Precipitation Trends in Iisaku

The chart displays monthly precipitation patterns in Iisaku, 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 Iisaku, May typically receives around 62 mm (2.5 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 Iisaku

In Iisaku in May humidity is 73%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that penetrates your clothes, making it a bit uncomfortable for traveling.

May Average Humidity in Iisaku

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

In Iisaku 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 Iisaku.

Maximum UV Index Levels in Iisaku for May

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

Data source: Iisaku 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 Iisaku Compares to Other Months

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

This table compares monthly weather conditions in Iisaku, 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)	49 mm (1.9 inches)	95%	low
February Weather	-3°C (26°F)	49 mm (1.9 inches)	93%	low
March Weather	-1°C (30°F)	48 mm (1.9 inches)	90%	moderate
April Weather	4°C (39°F)	50 mm (2.0 inches)	87%	moderate
May Weather	11°C (51°F)	62 mm (2.5 inches)	73%	moderate
June Weather	17°C (63°F)	64 mm (2.5 inches)	77%	high
July Weather	18°C (66°F)	79 mm (3.1 inches)	80%	high
August Weather	17°C (63°F)	90 mm (3.6 inches)	84%	high
September Weather	13°C (55°F)	74 mm (2.9 inches)	89%	moderate
October Weather	7°C (46°F)	100 mm (3.9 inches)	92%	low
November Weather	3°C (38°F)	76 mm (3.0 inches)	93%	low
December Weather	-2°C (29°F)	70 mm (2.7 inches)	93%	low