Weather Guide

Irvine, California, United States Average Monthly Weather

Weather score60Good annual avg

Best months: August, July, September

Across the year, average daytime temperatures are around 23°C, sunshine averages 8.7h per day, and rainfall totals about 350mm. Sea temperatures average 18°C across the year.

Irvine, California, United States, United States travel weather guide
Photo by Vinu T on Unsplash

Annual weather

Annual averages

Temp

23°C

Rain

350mm

Annual total

Sun

8.7h

Sea

18°C

Weather score

60

Good avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Warm

Average highs sit around 29°C, giving warm days by monthly-average standards.

Drier

Rainfall averages 1mm, which is relatively low for holiday planning.

Bright

Sunshine averages 11h per day, so bright days are a strong part of the month.

Cool sea

Sea temperatures average 20°C, so the water can feel cool.

Map

Weather map

Compare Irvine, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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July29°C average high

July is one of Irvine's warmest months, with daytime heat above the yearly average.

Warmest monthsJuly to September

This stretch sets the upper range for average daytime heat.

July1mm average rain

July is one of Irvine's driest months, making outdoor days easier to plan than in wetter parts of the year.

Driest monthsApril to October

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

July11 hours average sun

July is one of Irvine's sunniest months, with some of the strongest bright-day conditions in the yearly averages.

Brightest monthsJuly to August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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July20°C average sea

July is one of Irvine's warmest sea months, when swimming comfort is usually strongest.

Warmest seaJuly to October

Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.

Weather score

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July85 weather score

July is one of Irvine's best weather-score months, combining the strongest overall balance in the yearly averages.

Best weather monthsJuly to September

These months have the strongest weather score in the monthly averages.

Hotels in Irvine, California, United States