May weather forecast
South Oroville, CA

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Weather in May

The last month of the spring, May, is a moderately hot month in South Oroville, California, with an average temperature ranging between min 53.1°F (11.7°C) and max 77.5°F (25.3°C).

Temperature

The onset of May marks a slight increase in the average high-temperature, moving from a pleasant 68.9°F (20.5°C) in April to a moderately hot 77.5°F (25.3°C). Significant dips from daytime highs mark the May nights, with a consistent average temperature of 53.1°F (11.7°C).

Humidity

The average relative humidity in May in South Oroville is 52%.

Rainfall

In May, the rain falls for 5.9 days. Throughout May, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 80.4 rainfall days, and 24.21" (615mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall.

Daylight

In May, the average length of the day is 14h and 22min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:40 am and sunset at 8:27 pm PDT.

Sunshine

In South Oroville, the average sunshine in May is 11.2h.

UV index

In South Oroville, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the maximum UV index of 5 suggests these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for South Oroville in May?

In South Oroville, 77.5°F (25.3°C) is the average high-temperature and 53.1°F (11.7°C) is the average low-temperature during May.

What is the average humidity in May?

In May, the average relative humidity is 52%.

How much does it rain in South Oroville in May?

In May, the rain falls for 5.9 days. Throughout May, 1.18" (30mm) of precipitation is accumulated.

When it does not snow?

January through November are months without snowfall.

How many hours of daylight does South Oroville have in May?

In South Oroville, California, the average day length in May is 14h and 22min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:05 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:27 pm PDT.

How long on average sun shines in May?

In May, the average sunshine duration is 11.2h.

How high is the UV index in May?

In South Oroville, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
South Oroville, CA

Average temperature in May - South Oroville, CA
  • Average high temperature in May: 77.5°F

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in May: 53.1°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

Average pressure in May
South Oroville, CA

Average pressure in May - South Oroville, CA
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
South Oroville, CA

Average wind speed in May - South Oroville, CA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest months (with the lowest average wind speed) are August and November (5.2mph).

Average humidity in May
South Oroville, CA

Average humidity in May - South Oroville, CA
  • Average humidity in May: 52%

The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (33%).

Average rainfall in May
South Oroville, CA

Average rainfall in May - South Oroville, CA
  • Average rainfall in May: 1.18"

The wettest month (with the highest rainfall) is March (4.61").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in May
South Oroville, CA

Average rainfall days in May - South Oroville, CA
  • Average rainfall days in May: 5.9 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.3 days).

Average snowfall days in May
South Oroville, CA

Average snowfall days in May - South Oroville, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
South Oroville, CA

Average daylight in May / Average sunshine in May - South Oroville, CA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in May
South Oroville, CA

Average sunshine days in May - South Oroville, CA
  • Average sunshine days in May: 23.9 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.5 days).

Average UV index in May
South Oroville, CA

Average UV index in May - South Oroville, CA
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in May
South Oroville, CA

Average cloud cover in May - South Oroville, CA
  • Average cloud cover in May: 20

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in May
South Oroville, CA

Average visibility in May - South Oroville, CA
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

South Oroville, California, USA

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