May Weather in Sision, Greece

Last updated: August 23, 2025

In May, the average temperature in Sision, Greece hovers around 21°C (70°F), with fluctuations that can bring minimums of 11°C (52°F) and soaring maximums of 37°C (100°F). Expect some rain, as precipitation totals around 29 mm (1.1 in) over 4 days, contributing to a rather high average humidity of 85%. Perfect for those who enjoy a warm, humid climate!

May Temperature in Sision

In May in Sision, the average temperature is 21°C (70°F). Maximums can reach 37°C (100°F), while minimums can dip to as low as 11°C (52°F). Be prepared for a range of temperatures to make the most of your travels!

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

The chart illustrates May temperature patterns in Sision, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sision, May typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (100°F) and lows dropping to around 11°C (52°F).

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

May Precipitation in Sision

In Sision in May, the precipitation amount is 29 mm (1.1 in) over a span of 4 days.

May Precipitation Trends in Sision

The chart displays monthly precipitation patterns in Sision, 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 Sision, May typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 4 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 Sision

In Sision in May, humidity is 85%. With an average temperature of 21°C (70°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel slightly stifling and requiring frequent breaks to refresh in the shade or near water.

May Average Humidity in Sision

This chart illustrates the average monthly humidity levels in Sision, 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 Sision is approximately 85%, 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 Sision

In Sision in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sision.

Maximum UV Index Levels in Sision for May

The chart shows the monthly maximum UV Index (UVI) for Sision 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 Sision typically reaches 10, which falls under the very high exposure category.

Data source: Sision 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 Sision Compares to Other Months

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

This table compares monthly weather conditions in Sision, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	44 mm (1.7 inches)	72%	moderate
February Weather	12°C (54°F)	50 mm (2.0 inches)	72%	moderate
March Weather	13°C (56°F)	48 mm (1.9 inches)	75%	high
April Weather	16°C (62°F)	24 mm (1.0 inches)	79%	very high
May Weather	21°C (70°F)	29 mm (1.1 inches)	85%	very high
June Weather	24°C (76°F)	17 mm (0.7 inches)	84%	extreme
July Weather	26°C (80°F)	13 mm (0.5 inches)	83%	very high
August Weather	26°C (80°F)	7 mm (0.3 inches)	81%	very high
September Weather	24°C (76°F)	10 mm (0.4 inches)	80%	very high
October Weather	20°C (69°F)	24 mm (0.9 inches)	77%	high
November Weather	17°C (63°F)	43 mm (1.7 inches)	73%	moderate
December Weather	13°C (56°F)	49 mm (1.9 inches)	72%	moderate