May Weather in Yuba City, United States

Last updated: June 24, 2025

In May, the average temperature in Yuba City, United States is a pleasant 21°C (70°F). However, temperatures can vary significantly, with a minimum of 5°C (42°F) and a scorching maximum of 39°C (103°F). You can also expect precipitation of around 36 mm (1.4 in) over 4 days, coupled with an average humidity of 74%, making the climate quite humid.

May Temperature in Yuba City

In May in Yuba City, the average temperature is 21°C (70°F), making it a pleasant time to visit. While the maximum can reach 39°C (103°F), be prepared for cooler nights with temperatures dropping to as low as 5°C (42°F). Overall, this climate offers a diverse experience for travelers, allowing for both warm days and refreshing evenings.

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

The chart illustrates May temperature patterns in 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 Yuba City, May typically has an average temperature of 21°C (70°F), with highs reaching up to 39°C (103°F) and lows dropping to around 5°C (42°F).

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

May Precipitation in Yuba City

In Yuba City in May, the precipitation amount is 36 mm (1.4 in) over the course of 4 days.

May Precipitation Trends in Yuba City

The chart displays monthly precipitation patterns in 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 Yuba City, May typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 4 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 Yuba City

In Yuba City in May humidity is 74%. With an average temperature of 21°C (70°F), this humidity feels like a warm, moist embrace, making outdoor activities both invigorating and slightly draining, so travelers should stay hydrated and take breaks often.

May Average Humidity in Yuba City

This chart illustrates the average monthly humidity levels in 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 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 Yuba City

In 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 Yuba City.

Maximum UV Index Levels in Yuba City for May

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

Data source: 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 Yuba City Compares to Other Months

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

This table compares monthly weather conditions in 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	9°C (49°F)	154 mm (6.1 inches)	84%	moderate
February Weather	11°C (51°F)	155 mm (6.1 inches)	84%	moderate
March Weather	13°C (55°F)	145 mm (5.7 inches)	83%	high
April Weather	17°C (62°F)	68 mm (2.7 inches)	81%	very high
May Weather	21°C (70°F)	36 mm (1.4 inches)	74%	very high
June Weather	26°C (79°F)	6 mm (0.2 inches)	64%	extreme
July Weather	28°C (83°F)	1 mm (0.0 inches)	44%	very high
August Weather	27°C (81°F)	0 mm (0.0 inches)	36%	very high
September Weather	24°C (75°F)	6 mm (0.2 inches)	44%	very high
October Weather	18°C (65°F)	48 mm (1.9 inches)	65%	high
November Weather	13°C (55°F)	82 mm (3.2 inches)	84%	moderate
December Weather	9°C (48°F)	130 mm (5.1 inches)	83%	moderate