World Resorts USA Irvine Weather

Irvine weather in October

Weather in Irvine: October

Average day temperature: 76.2°F
Average night temperature: 63.9°F
Sea water temperature: 66.5°F
Number of sunny days: 24 days
Day length: 10.8 - 11.8 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in October, °F

Show year:
2025
2024
2023

The highest day temperature during October of 2025 was 89°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during October were 75.2°F and 59.5°F.

Sea water temperature in Irvine in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 67.8°F and 64.4°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in October, in.

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

Wind speed in October, mph

The average wind speed value in October is 4.7 mph It makes October one of the least windy months 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 October is: 9.2.

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 68.0 °F
Coldest months:
March 63.5 °F
January 63.9 °F
December 64.5 °F
Rainiest months:
January 2 days
December 2 days
February 1 day
Windiest months:
May 6.4 mph
March 6.4 mph
April 6.1 mph

Irvine on a weather map

Irvine
+57°F
SE 4 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Irvine
Local time: 20:51
December 04, thursday
2100
57°F
SE
4 mph
December 05, friday
0000
55°F
SW
2 mph
0300
52°F
SW
2 mph
0600
46°F
W
2 mph
0900
50°F
NW
2 mph
1200
68°F
NE
3 mph
1500
70°F
NE
5 mph
1800
64°F
NE
4 mph
Units of measurement: °C / °F