Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May signals an increase in the average high-temperature, moving from a chilly 49.6°F (9.8°C) in April to a refreshing 62.6°F (17°C). In May, Oroville endures a notable temperature shift from day to night, with lows averaging at a cold 37.8°F (3.2°C).Humidity
In Oroville, the average relative humidity in May is 63%.Rainfall
The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 1.97" (50mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Oroville. During 0.8 snowfall days, in May, Oroville aggregates 0.79" (20mm) of snow. In Oroville, during the entire year, snow falls for 89.6 days and aggregates up to 47.44" (1205mm) of snow.Daylight
In May, the average length of the day in Oroville is 15h and 19min.On the first day of May, sunrise is at 5:35 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 8:52 pm PDT.
Sunshine
In Oroville, the average sunshine in May is 10.8h.UV index
In Oroville, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 4 in May transforms into this advice:
Be vigilant - Preventing sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the temperature in May in Oroville?
What is the average humidity in May in Oroville?
What is the rainiest month in Oroville?
How many days does it rain in May in Oroville?
What is the last month it snows in Oroville?
What is the average length of the day in May in Oroville?
When are sunrise and sunset in May in Oroville?
How many hours of sunshine does Oroville have in May?
What is the UV index intensity in May in Oroville?
Average temperature in May
Oroville, WA
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in May: 37.8°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in May
Oroville, WA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in May
Oroville, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).
Average humidity in May
Oroville, WA
- Average humidity in May: 63%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in May
Oroville, WA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").
Average rainfall days in May
Oroville, WA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in May
Oroville, WA
- Average snowfall in May: 0.79"
The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Oroville, WA
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Oroville, WA
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Oroville, WA
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in May
Oroville, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Oroville, WA
- Average cloud cover in May: 32
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in May
Oroville, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Oroville, Washington, USA
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