May weather forecastEast Irvine, CA
May
Weather in May
May, the last month of the spring in East Irvine, is also an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 55.4°F (13°C).Temperature
The advent of May brings an average high-temperature of a still pleasant 70.3°F (21.3°C), almost identical to the preceding month. East Irvine experiences a mean temperature of 55.4°F (13°C) during May nights.Humidity
In East Irvine, the average relative humidity in May is 68%.Rainfall
In May, in East Irvine, the rain falls for 5.3 days. Throughout May, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 65.2 rainfall days, and 9.17" (233mm) of precipitation is accumulated.Daylight
In East Irvine, the average length of the day in May is 13h and 55min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:34 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:56 pm PDT.
Sunshine
In East Irvine, California, the average sunshine in May is 11.1h.UV index
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 exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
East Irvine, CA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in May: 55.4°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).
Average pressure in May
East Irvine, CA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
East Irvine, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in May
East Irvine, CA
- Average humidity in May: 68%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in May
East Irvine, CA
- Average rainfall in May: 0.35"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
East Irvine, CA
- Average rainfall days in May: 5.3 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is June (2.1 days).
Average daylight in May /
Average sunshine in May
East Irvine, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in May
East Irvine, CA
- Average sunshine days in May: 22.5 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (19.6 days).
Average UV index in May
East Irvine, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in May
East Irvine, CA
- Average cloud cover in May: 20
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
East Irvine, 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).





