May Weather in Keyes, United States

Last updated: June 24, 2025

In Keyes, United States, the average temperature in May hovers around 22°C (72°F), offering a pleasant climate. However, temperatures can swing from a brisk 7°C (45°F) to a sweltering 42°C (107°F). Expect brief bouts of rain, with an average precipitation of 15 mm (0.6 in) over just 2 days. The air is moderately humid, with levels reaching around 71%, creating a unique blend of warmth and moisture.

May Temperature in Keyes

In May in Keyes, the average temperature is 22°C (72°F). The maximum can reach 42°C (107°F), and the minimum can be as low as 7°C (45°F). Be prepared for a wide range of temperatures, making it an excellent time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Keyes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keyes, May typically has an average temperature of 22°C (72°F), with highs reaching up to 42°C (107°F) and lows dropping to around 7°C (45°F).

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

May Precipitation in Keyes

In Keyes in May, the precipitation amount is 15 mm (0.6 in) over the course of 2 days.

May Precipitation Trends in Keyes

The chart displays monthly precipitation patterns in Keyes, 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 Keyes, May typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 2 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 Keyes

In Keyes in May humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

May Average Humidity in Keyes

This chart illustrates the average monthly humidity levels in Keyes, 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 Keyes is approximately 71%, 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 Keyes

In Keyes 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 Keyes.

Maximum UV Index Levels in Keyes for May

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

Data source: Keyes 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 Keyes Compares to Other Months

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

This table compares monthly weather conditions in Keyes, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	90 mm (3.5 inches)	82%	moderate
February Weather	12°C (54°F)	66 mm (2.6 inches)	84%	moderate
March Weather	14°C (58°F)	71 mm (2.8 inches)	82%	very high
April Weather	18°C (64°F)	27 mm (1.1 inches)	78%	very high
May Weather	22°C (72°F)	15 mm (0.6 inches)	71%	very high
June Weather	26°C (80°F)	3 mm (0.1 inches)	64%	extreme
July Weather	29°C (84°F)	0 mm (0.0 inches)	58%	extreme
August Weather	28°C (82°F)	0 mm (0.0 inches)	54%	very high
September Weather	25°C (77°F)	1 mm (0.0 inches)	55%	very high
October Weather	19°C (67°F)	15 mm (0.6 inches)	62%	high
November Weather	14°C (57°F)	30 mm (1.2 inches)	78%	moderate
December Weather	10°C (50°F)	79 mm (3.1 inches)	80%	moderate