May Weather in Rancho Calaveras, United States

Last updated: June 24, 2025

In May, the average temperature in Rancho Calaveras, United States hovers around 18°C (64°F). While you can expect a minimum chill of 4°C (39°F), temperatures can soar to a steamy 35°C (95°F). Be prepared for some rain, as 45 mm (1.8 in) of precipitation usually falls over 3 days. The air will feel quite humid, with an average humidity level of 74%.

May Temperature in Rancho Calaveras

In May in Rancho Calaveras, the average temperature is 18°C (64°F). Maximums can reach 35°C (95°F) and minimums can be as low as 4°C (39°F). Pack accordingly to enjoy the pleasant climate while exploring the diverse attractions of Rancho Calaveras.

May Weather in Rancho Calaveras: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rancho Calaveras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rancho Calaveras, May typically has an average temperature of 18°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).

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

May Precipitation in Rancho Calaveras

In Rancho Calaveras in May, the precipitation amount is 45 mm (1.8 in) recorded over a span of 3 days.

May Precipitation Trends in Rancho Calaveras

The chart displays monthly precipitation patterns in Rancho Calaveras, 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 Rancho Calaveras, May typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 3 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 Rancho Calaveras

In Rancho Calaveras in May humidity is 74%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but potentially uncomfortable for extended outdoor activities.

May Average Humidity in Rancho Calaveras

This chart illustrates the average monthly humidity levels in Rancho Calaveras, 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 Rancho Calaveras 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 Rancho Calaveras

In Rancho Calaveras 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 Rancho Calaveras.

Maximum UV Index Levels in Rancho Calaveras for May

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

Data source: Rancho Calaveras 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 Rancho Calaveras Compares to Other Months

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

This table compares monthly weather conditions in Rancho Calaveras, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	164 mm (6.5 inches)	84%	moderate
February Weather	9°C (49°F)	157 mm (6.2 inches)	84%	moderate
March Weather	11°C (53°F)	178 mm (7.0 inches)	83%	very high
April Weather	15°C (59°F)	79 mm (3.1 inches)	81%	very high
May Weather	18°C (64°F)	45 mm (1.8 inches)	74%	very high
June Weather	23°C (73°F)	3 mm (0.1 inches)	64%	extreme
July Weather	25°C (78°F)	0 mm (0.0 inches)	44%	extreme
August Weather	25°C (77°F)	0 mm (0.0 inches)	36%	very high
September Weather	22°C (72°F)	6 mm (0.2 inches)	44%	very high
October Weather	17°C (63°F)	43 mm (1.7 inches)	65%	high
November Weather	12°C (53°F)	82 mm (3.2 inches)	84%	moderate
December Weather	8°C (47°F)	136 mm (5.3 inches)	83%	moderate