World Resorts USA Irvine Weather

Irvine weather in May

Weather in Irvine: May

Average day temperature: 70.7°F
Average night temperature: 60.2°F
Sea water temperature: 63.0°F
Number of sunny days: 19 days
Day length: 13.5 - 14.2 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 77°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during May were 71.5°F and 59.4°F.

Sea water temperature in Irvine in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 64.0°F. The highest and lowest sea temperatures during the month were 66.6°F and 61.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Irvine in May is 0.1 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 6.4 mph It makes May most windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 9.9.

Best time for vacation in Irvine

Sunniest months:
August 26 days
July 25 days
October 24 days
Warmest months:
August 82.1 °F
September 80.8 °F
July 80.3 °F
Warmest sea temp:
August 69.5 °F
September 68.8 °F
July 68.2 °F
Coldest months:
January 64.9 °F
December 65.1 °F
March 65.7 °F
Rainiest months:
December 2 days
January 1 day
April 1 day
Windiest months:
May 6.4 mph
March 6.2 mph
April 6.2 mph

Irvine on a weather map

Irvine
+64°F
NW 3 mph
Feels like: +64°F
Precip.: 13%
Places in USA:
Name
°F
+73°F
+81°F
+77°F
+86°F
+66°F
+86°F
+72°F
+84°F
+75°F
+68°F
+55°F
+68°F
+84°F
+79°F
+75°F
24 Hours Forecast
Irvine
Local time: 06:39
July 21, tuesday
0900
77°F
N
6 mph
1200
84°F
NE
8 mph
1500
84°F
NE
9 mph
1800
79°F
NE
7 mph
2100
75°F
NE
6 mph
July 22, wednesday
0000
72°F
N
4 mph
0300
72°F
N
4 mph
0600
72°F
N
2 mph
Units of measurement: °C / °F