May Weather in Etna, United States

Last updated: June 24, 2025

The average temperature in Etna, United States in May is 12°C (53°F). Expect a minimum of -3°C (27°F) and a maximum of 30°C (86°F) during this time. Additionally, the area receives about 63 mm (2.5 in) of precipitation spread over 8 days, contributing to a relatively high average humidity of 81%.

May Temperature in Etna

In May in Etna, the average temperature is 12°C (53°F). Maximums can reach 30°C (86°F), and minimums can drop as low as -3°C (27°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates May temperature patterns in Etna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Etna, May typically has an average temperature of 12°C (53°F), with highs reaching up to 30°C (86°F) and lows dropping to around -3°C (27°F).

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

May Precipitation in Etna

In Etna in May, the precipitation amount is 63 mm (2.5 in) spread over 8 days.

May Precipitation Trends in Etna

The chart displays monthly precipitation patterns in Etna, 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 Etna, May typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Etna

In Etna in May, humidity is 81%. With an average temperature of 12°C (53°F), this humidity feels like a chilly dampness enveloping you, making outdoor activities uncomfortable and requiring layers to stay warm while you explore.

May Average Humidity in Etna

This chart illustrates the average monthly humidity levels in Etna, 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 Etna is approximately 81%, 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 Etna

In Etna in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Etna.

Maximum UV Index Levels in Etna for May

The chart shows the monthly maximum UV Index (UVI) for Etna 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 Etna typically reaches 11, which falls under the extreme exposure category.

Data source: Etna 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 Etna Compares to Other Months

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

This table compares monthly weather conditions in Etna, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	161 mm (6.3 inches)	86%	moderate
February Weather	2°C (36°F)	147 mm (5.8 inches)	85%	moderate
March Weather	4°C (39°F)	120 mm (4.7 inches)	85%	very high
April Weather	7°C (46°F)	81 mm (3.2 inches)	82%	very high
May Weather	12°C (53°F)	63 mm (2.5 inches)	81%	extreme
June Weather	17°C (62°F)	20 mm (0.8 inches)	79%	extreme
July Weather	22°C (71°F)	8 mm (0.3 inches)	70%	extreme
August Weather	21°C (69°F)	11 mm (0.4 inches)	60%	very high
September Weather	16°C (61°F)	22 mm (0.9 inches)	62%	very high
October Weather	10°C (50°F)	46 mm (1.8 inches)	72%	high
November Weather	4°C (40°F)	96 mm (3.8 inches)	87%	moderate
December Weather	1°C (34°F)	120 mm (4.7 inches)	86%	moderate