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
The onset of May brings with it an average high-temperature of a still agreeable 69.8°F (21°C), showing a negligible variation from the month before. An average low-temperature of 56.3°F (13.5°C) marks the month of May.Humidity
In Irvine, the average relative humidity in May is 69%.Rainfall
In May, the rain falls for 5.4 days. Throughout May, 0.31" (8mm) of precipitation is accumulated. In Irvine, during the entire year, the rain falls for 63.7 days and collects up to 7.91" (201mm) of precipitation.Daylight
In Irvine, the average length of the day in May 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
In May, the average sunshine is 11.1h.UV index
In Irvine, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against skin and eye damage is obliged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
How many hours of daylight does Irvine have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Irvine have in May?
What is the UV index reading in May?
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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