Cool
Average highs are around 19°C, so pack for cooler days.
December verdict
Irvine, California, United States in December
Weather score40Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 48mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
19°C
Rain
48mm
Sun
7h
Sea
16°C
Weather score
40
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 48mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°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
December19°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
December48mm average rain
December sits near Irvine's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December7 hours average sun
December is one of Irvine's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December16°C average sea
December is below Irvine's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to October
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
December40 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.
Hotels in Irvine, California, United States
Marriott
Irvine MarriottIrvine, California, USA
Marriott Irvine SpectrumIrvine, California, USA
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Courtyard Irvine SpectrumIrvine, California, USA
SpringHill Suites by Marriott Irvine John Wayne Airport/Orange CountyIrvine, California, USA