May Weather in Mentone, United States

Last updated: June 24, 2025

In May, the average temperature in Mentone, United States hovers around 26°C (79°F), with a possible minimum of 5°C (41°F) and a scorching maximum of 41°C (107°F). Expect 15 mm (0.6 in) of precipitation spread over 3 days, while the air maintains a comfortable average humidity of 68%.

May Temperature in Mentone

In May in Mentone, the average temperature is 26°C (79°F). Maximums can reach 41°C (107°F), while minimums can dip as low as 5°C (41°F). Be prepared for a wide temperature range during your travels to Mentone in May, and pack accordingly!

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

The chart illustrates May temperature patterns in Mentone, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mentone, May typically has an average temperature of 26°C (79°F), with highs reaching up to 41°C (107°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Mentone

In Mentone in May, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.

May Precipitation Trends in Mentone

The chart displays monthly precipitation patterns in Mentone, 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 Mentone, May typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 3 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 Mentone

In Mentone in May, humidity is 68%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit stifling unless you stay hydrated and take frequent breaks in the shade.

May Average Humidity in Mentone

This chart illustrates the average monthly humidity levels in Mentone, 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 Mentone is approximately 68%, 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 Mentone

In Mentone in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Mentone.

Maximum UV Index Levels in Mentone for May

The chart shows the monthly maximum UV Index (UVI) for Mentone 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 Mentone typically reaches 12, which falls under the extreme exposure category.

Data source: Mentone 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 Mentone Compares to Other Months

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

This table compares monthly weather conditions in Mentone, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	12 mm (0.5 inches)	76%	moderate
February Weather	11°C (51°F)	10 mm (0.4 inches)	74%	very high
March Weather	16°C (62°F)	22 mm (0.9 inches)	63%	very high
April Weather	21°C (70°F)	10 mm (0.4 inches)	61%	extreme
May Weather	26°C (79°F)	15 mm (0.6 inches)	68%	extreme
June Weather	30°C (86°F)	28 mm (1.1 inches)	70%	extreme
July Weather	30°C (87°F)	16 mm (0.6 inches)	70%	extreme
August Weather	30°C (87°F)	26 mm (1.0 inches)	67%	extreme
September Weather	26°C (80°F)	34 mm (1.3 inches)	74%	extreme
October Weather	20°C (69°F)	22 mm (0.9 inches)	75%	very high
November Weather	14°C (57°F)	8 mm (0.3 inches)	84%	high
December Weather	10°C (50°F)	10 mm (0.4 inches)	85%	moderate