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 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 weather records an average high-temperature of a still agreeable 69.8°F (21°C), showing little deviation from April. In the month of May, Irvine experiences an average low-temperature of 56.3°F (13.5°C).Humidity
In May, the average relative humidity is 69%.Rainfall
In Irvine, in May, it is raining for 5.4 days, with typically 0.31" (8mm) of accumulated precipitation. In Irvine, during the entire year, the rain falls for 63.7 days and collects up to 7.91" (201mm) of precipitation.Daylight
In May, the average length of the day is 13h and 55min.On the first day of May, sunrise is at 6:01 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:56 pm PDT.
Sunshine
The average sunshine in May is 11.1h.UV index
In May, the average daily maximum UV index in Irvine is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the usual temperature for Irvine in May?
What is the average humidity in May in Irvine?
How many days does it rain in May in Irvine?
What is the average length of the day in May in Irvine?
When are sunrise and sunset in May in Irvine?
How long on average sun shines in May in Irvine?
How high is the UV index in May in Irvine?
Average temperature in May
Irvine, CA
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in May
Irvine, CA
- Average pressure in May: 29.93"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
Irvine, CA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (4.8mph).
Average humidity in May
Irvine, CA
- Average humidity in May: 69%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (56%).
Average rainfall in May
Irvine, CA
- Average rainfall in May: 0.31"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Irvine, CA
- Average rainfall days in May: 5.4 days
The month with the highest number of rainy days is March (7.9 days).
The month with the least rainy days is June (2.2 days).
Average daylight in May /
Average sunshine in May
Irvine, CA
- Average daylight in May: 13h and 5min
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 1min
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
Irvine, CA
- Average sunshine days in May: 19.7 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (19.7 days).
Average UV index in May
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
Irvine, CA
- Average cloud cover in May: 19
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in May
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).
Irvine, California, USA
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