May Weather in South Oroville, United States

Last updated: June 24, 2025

In May, the average temperature in South Oroville, United States hovers around 20°C (68°F). Expect a range that can dip to a brisk 4°C (40°F) or soar up to a sizzling 37°C (99°F). Throughout the month, anticipate 48 mm (1.9 in) of precipitation over the course of about 4 days, with an average humidity of 74% that adds to the atmosphere.

May Temperature in South Oroville

In May in South Oroville, the average temperature is 20°C (68°F). Maximums can reach 37°C (99°F), and minimums can be as low as 4°C (40°F). Overall, it's advisable to pack for both warm days and cooler nights while traveling.

May Weather in South Oroville: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in South Oroville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Oroville, May typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (99°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in South Oroville

In South Oroville in May, the precipitation amount is 48 mm (1.9 in) distributed over a span of 4 days.

May Precipitation Trends in South Oroville

The chart displays monthly precipitation patterns in South Oroville, 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 Oroville, May typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 4 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 Oroville

In South Oroville in May humidity is 74%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting, prompting travelers to seek shade and hydration more often.

May Average Humidity in South Oroville

This chart illustrates the average monthly humidity levels in South Oroville, 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 Oroville 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 Oroville

In South Oroville 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 Oroville.

Maximum UV Index Levels in South Oroville for May

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

Data source: South Oroville 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 Oroville Compares to Other Months

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

This table compares monthly weather conditions in South Oroville, 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)	202 mm (7.9 inches)	84%	moderate
February Weather	10°C (50°F)	212 mm (8.4 inches)	84%	moderate
March Weather	12°C (53°F)	180 mm (7.1 inches)	83%	high
April Weather	16°C (60°F)	90 mm (3.6 inches)	81%	very high
May Weather	20°C (68°F)	48 mm (1.9 inches)	74%	very high
June Weather	25°C (78°F)	6 mm (0.2 inches)	64%	extreme
July Weather	28°C (83°F)	1 mm (0.0 inches)	44%	extreme
August Weather	27°C (80°F)	1 mm (0.0 inches)	36%	very high
September Weather	23°C (74°F)	10 mm (0.4 inches)	44%	very high
October Weather	18°C (64°F)	59 mm (2.3 inches)	65%	high
November Weather	12°C (54°F)	111 mm (4.4 inches)	84%	moderate
December Weather	9°C (48°F)	166 mm (6.5 inches)	83%	moderate