May Weather in Sterna, Greece

Last updated: August 23, 2025

In May, the average temperature in Sterna, Greece is a pleasant 19°C (66°F), with minimums dipping to 5°C (42°F) and highs reaching up to 33°C (92°F). Expect 45 mm (1.8 in) of precipitation over about 8 days, and a relatively high average humidity of 74%. Perfect for a range of activities—just be prepared for the occasional shower!

May Temperature in Sterna

In May in Sterna, the average temperature is 19°C (66°F). Maximums can reach 33°C (92°F), while minimums can drop to as low as 5°C (42°F). This diverse climate makes Sterna an ideal destination for travelers seeking both warmth and cooler respite.

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

The chart illustrates May temperature patterns in Sterna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sterna, May typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (42°F).

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

May Precipitation in Sterna

In Sterna in May, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.

May Precipitation Trends in Sterna

The chart displays monthly precipitation patterns in Sterna, 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 Sterna, May typically receives around 45 mm (1.8 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 Sterna

In Sterna in May humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

May Average Humidity in Sterna

This chart illustrates the average monthly humidity levels in Sterna, 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 Sterna is approximately 74%, 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 Sterna

In Sterna in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sterna.

Maximum UV Index Levels in Sterna for May

The chart shows the monthly maximum UV Index (UVI) for Sterna 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 Sterna typically reaches 9, which falls under the very high exposure category.

Data source: Sterna 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 Sterna Compares to Other Months

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

This table compares monthly weather conditions in Sterna, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	72 mm (2.8 inches)	87%	low
February Weather	7°C (45°F)	58 mm (2.3 inches)	84%	moderate
March Weather	9°C (48°F)	64 mm (2.5 inches)	81%	high
April Weather	13°C (56°F)	54 mm (2.1 inches)	72%	high
May Weather	19°C (66°F)	45 mm (1.8 inches)	74%	very high
June Weather	23°C (74°F)	71 mm (2.8 inches)	65%	very high
July Weather	26°C (80°F)	36 mm (1.4 inches)	59%	very high
August Weather	27°C (81°F)	10 mm (0.4 inches)	49%	very high
September Weather	22°C (73°F)	17 mm (0.7 inches)	57%	high
October Weather	16°C (61°F)	89 mm (3.5 inches)	76%	high
November Weather	11°C (53°F)	54 mm (2.1 inches)	84%	moderate
December Weather	7°C (46°F)	96 mm (3.8 inches)	86%	low