May weather forecastOrinda, CA
May
Weather in May
May, the last month of the spring in Orinda, is a pleasant month, with an average temperature fluctuating between 50.2°F (10.1°C) and 70.3°F (21.3°C).Temperature
Orinda, California, marks the onset of May with an average high-temperature of a pleasant 70.3°F (21.3°C), a subtle shift from April's 66.7°F (19.3°C). May brings an average low-temperature of 50.2°F (10.1°C) to Orinda.Humidity
In May, the average relative humidity in Orinda, California, is 67%.Rainfall
In May, the rain falls for 5.3 days. Throughout May, 0.63" (16mm) of precipitation is accumulated. In Orinda, during the entire year, the rain falls for 74.4 days and collects up to 12.6" (320mm) of precipitation.Daylight
In Orinda, California, the average length of the day in May is 14h and 14min.On the first day of May in Orinda, sunrise is at 6:11 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:24 pm PDT.
Sunshine
In May, the average sunshine is 10.8h.UV index
In Orinda, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Adopt protective measures - It is advised to guard against sun damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Orinda, CA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in May: 50.2°F
The months with the highest average low temperature are August and September (56.8°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in May
Orinda, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in May
Orinda, CA
- Average wind speed in May: 7.2mph
The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in May
Orinda, CA
- Average humidity in May: 67%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is October (60%).
Average rainfall in May
Orinda, CA
- Average rainfall in May: 0.63"
The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Orinda, CA
- Average rainfall days in May: 5.3 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (0.8 days).
Average daylight in May /
Average sunshine in May
Orinda, CA
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 10h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Orinda, CA
- Average sunshine days in May: 23.5 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in May
Orinda, CA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Orinda, CA
- Average cloud cover in May: 23
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in May
Orinda, 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).





