May Weather in Fresno, United States

Last updated: June 24, 2025

In Fresno, United States, the average temperature in May is a pleasant 25°C (78°F). However, temperatures can range from a cool 11°C (53°F) to a warm 35°C (95°F). Expect 162 mm (6.4 in) of precipitation spread across 14 days, with an average humidity of 79%, adding to the lush atmosphere of the region.

May Temperature in Fresno

In May in Fresno, the average temperature is 25°C (78°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 11°C (53°F). It's a great time to visit for those who enjoy warm weather, but be prepared for cooler evenings.

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

The chart illustrates May temperature patterns in Fresno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fresno, May typically has an average temperature of 25°C (78°F), with highs reaching up to 35°C (95°F) and lows dropping to around 11°C (53°F).

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

May Precipitation in Fresno

In Fresno in May, the total precipitation amount is 162 mm (6.4 in) over the course of 14 days.

May Precipitation Trends in Fresno

The chart displays monthly precipitation patterns in Fresno, 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 Fresno, May typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 14 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 Fresno

In Fresno in May humidity is 79%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities less inviting and requiring frequent breaks to stay refreshed.

May Average Humidity in Fresno

This chart illustrates the average monthly humidity levels in Fresno, 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 Fresno is approximately 79%, 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 Fresno

In Fresno 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 Fresno.

Maximum UV Index Levels in Fresno for May

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

Data source: Fresno 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 Fresno Compares to Other Months

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

This table compares monthly weather conditions in Fresno, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	85 mm (3.4 inches)	78%	moderate
February Weather	15°C (59°F)	82 mm (3.2 inches)	81%	very high
March Weather	19°C (66°F)	79 mm (3.1 inches)	76%	very high
April Weather	21°C (71°F)	84 mm (3.3 inches)	79%	extreme
May Weather	25°C (78°F)	162 mm (6.4 inches)	79%	extreme
June Weather	28°C (82°F)	162 mm (6.4 inches)	74%	extreme
July Weather	29°C (84°F)	148 mm (5.8 inches)	71%	extreme
August Weather	29°C (84°F)	192 mm (7.6 inches)	68%	extreme
September Weather	27°C (80°F)	185 mm (7.3 inches)	73%	very high
October Weather	23°C (73°F)	91 mm (3.6 inches)	75%	very high
November Weather	17°C (63°F)	81 mm (3.2 inches)	78%	high
December Weather	15°C (59°F)	104 mm (4.1 inches)	84%	moderate