May Weather in South Yuba City, United States

Last updated: June 24, 2025

In South Yuba City, United States, the average temperature in May hovers around 22°C (72°F), creating a pleasant climate overall. However, temperatures can swing widely, with minimums dipping to 7°C (45°F) and soaring up to a scorching 42°C (107°F). Expect a bit of rain, with an average precipitation of 23 mm (0.9 in) spread over 2 days, and note that the atmosphere carries a 74% average humidity, adding to the region's unique weather experience.

May Temperature in South Yuba City

In May in South Yuba City, 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 South Yuba City: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in South Yuba City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Yuba City, 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 South Yuba City generated using information from the Copernicus Climate Change Service.

May Precipitation in South Yuba City

In South Yuba City in May, the precipitation amount is 23 mm (0.9 in) over a span of 2 days.

May Precipitation Trends in South Yuba City

The chart displays monthly precipitation patterns in South Yuba City, 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 South Yuba City, May typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 2 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 South Yuba City

In South Yuba City in May, humidity is 74%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket enveloping you, making it a bit uncomfortable for traveling, as every step feels heavier and the air is thick.

May Average Humidity in South Yuba City

This chart illustrates the average monthly humidity levels in South Yuba City, 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 South Yuba City 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 South Yuba City

In South Yuba City 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 South Yuba City.

Maximum UV Index Levels in South Yuba City for May

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

Data source: South Yuba City 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 South Yuba City Compares to Other Months

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

This table compares monthly weather conditions in South Yuba City, 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)	111 mm (4.4 inches)	84%	moderate
February Weather	12°C (54°F)	101 mm (4.0 inches)	84%	moderate
March Weather	14°C (57°F)	86 mm (3.4 inches)	83%	high
April Weather	18°C (65°F)	41 mm (1.6 inches)	81%	very high
May Weather	22°C (72°F)	23 mm (0.9 inches)	74%	very high
June Weather	27°C (81°F)	5 mm (0.2 inches)	64%	extreme
July Weather	28°C (83°F)	0 mm (0.0 inches)	44%	very high
August Weather	27°C (82°F)	0 mm (0.0 inches)	36%	very high
September Weather	25°C (77°F)	2 mm (0.1 inches)	44%	very high
October Weather	20°C (68°F)	32 mm (1.2 inches)	65%	high
November Weather	14°C (57°F)	47 mm (1.9 inches)	84%	moderate
December Weather	10°C (50°F)	84 mm (3.3 inches)	83%	moderate