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 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
May's onset brings a minor rise in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) in April to a moderately hot 75.6°F (24.2°C). Throughout May nights, a significant departure from daytime temperatures, with an average low of 50.5°F (10.3°C), is recognized.Humidity
The average relative humidity in May in Oakley is 60%.Rainfall
In May, in Oakley, the rain falls for 4 days. Throughout May, 0.43" (11mm) of precipitation is accumulated. Throughout the year, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.Snowfall
In Oakley, snow does not fall in January through November.Daylight
The average length of the day in May in Oakley is 14h and 15min.On the first day of May in Oakley, sunrise is at 6:09 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:23 pm PDT.
Sunshine
The average sunshine in May in Oakley, California, is 11.2h.UV index
In Oakley, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Oakley in May?
What is the average humidity in May in Oakley?
How much does it rain in Oakley in May?
When it does not snow in Oakley?
What is the average length of the day in May in Oakley?
When are sunrise and sunset in May in Oakley?
How long on average sun shines in May in Oakley?
How high is the UV index in May in Oakley?
Average temperature in May
Oakley, CA
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in May
Oakley, CA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Oakley, CA
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in May
Oakley, CA
- Average humidity in May: 60%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall in May
Oakley, CA
- Average rainfall in May: 0.43"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Oakley, CA
- Average rainfall days in May: 4 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days in May
Oakley, 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
Oakley, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- 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
Oakley, CA
- Average sunshine days in May: 26.6 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).
Average UV index in May
Oakley, CA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Oakley, CA
- Average cloud cover in May: 19
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in May
Oakley, 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).
Oakley, California, USA
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