May weather forecast
Oroville, CA

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Weather in May

May, the last month of the spring in Oroville, is a warm month, with an average temperature fluctuating between 53.1°F (11.7°C) and 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 warm 77.5°F (25.3°C). Oroville reports a marked divergence from daytime peaks throughout May, with lows averaging at a fresh 53.1°F (11.7°C).

Humidity

The average relative humidity in May is 52%.

Rainfall

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

Snowfall

In Oroville, California, snow does not fall in January through November.

Daylight

In May, the average length of the day in Oroville is 14h and 22min.
On the first day of May in Oroville, 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.

Sunshine

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

UV index

In May, the average daily maximum UV index in Oroville is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 5 in May transforms into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the temperature in May in Oroville?

During May, Oroville experiences an average high-temperature of 77.5°F (25.3°C) and a low-temperature of 53.1°F (11.7°C).

What is the average humidity in May in Oroville?

The average relative humidity in May in Oroville, California, is 52%.

How many days does it rain in May in Oroville?

In Oroville, California, during May, the rain falls for 5.9 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When it does not snow in Oroville?

In Oroville, California, snow does not fall in January through November.

How many hours of daylight does Oroville have in May?

The average day length in May in Oroville is 14h and 22min.

When is the sunrise / sunset in May in Oroville?

On the first day of May in Oroville, 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 many hours of sunshine does Oroville have in May?

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

What is the UV index intensity in May in Oroville?

In Oroville, California, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Oroville, CA

Average temperature in May - 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).

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Average pressure in May
Oroville, CA

Average pressure in May - 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).

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Average wind speed in May
Oroville, CA

Average wind speed in May - 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).

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Average humidity in May
Oroville, CA

Average humidity in May - 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%).

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Average rainfall in May
Oroville, CA

Average rainfall in May - 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").

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Average rainfall days in May
Oroville, CA

Average rainfall days in May - 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).

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Average snowfall days in May
Oroville, CA

Average snowfall days in May - 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).

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

Average daylight in May / Average sunshine in May - 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).

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Average sunshine days in May
Oroville, CA

Average sunshine days in May - 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).

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Average UV index in May
Oroville, CA

Average UV index in May - 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).

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Average cloud cover in May
Oroville, CA

Average cloud cover in May - 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).

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Average visibility in May
Oroville, CA

Average visibility in May - 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).

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Oroville, California, USA

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