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The best time to visit Irvine

Month-by-month climate averages for Irvine, CA, so you can pick your dates on data rather than guesswork.

Short answer

The most comfortable time to visit Irvine is usually January, March, April and May, when daytime highs sit in the pleasant 60-78°F range and the heaviest February rain is behind you.

Irvine is warmest in July (highs near 83°F) and coldest in February (lows around 46°F), with roughly 25 inches of precipitation across the year and February the wettest month. The sweet spot for most visitors is January, March, April and May.

These are long-run averages. For the actual days you are travelling, check the live Irvine forecast — and note how much the models agree, because that tells you how much to trust it.

Irvine weather by month

what to expect in Irvine through the year

Here is Irvine's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Irvine by season.

Jan
62°
47°
Mild
Feb
62°
46°
Mild
Wettest
Mar
62°
48°
Mild
Apr
68°
51°
Mild
May
69°
55°
Mild
Jun
74°
58°
Warm
Jul
83°
62°
Warm
Aug
82°
63°
Warm
Sep
80°
62°
Warm
Oct
79°
58°
Warm
Nov
73°
52°
Warm
Dec
67°
49°
Mild

Common questions

When is the best time to visit Irvine?
The most comfortable time to visit Irvine is usually January, March, April and May, when daytime highs sit in the pleasant 60-78°F range and the heaviest February rain is behind you.
What is the warmest month in Irvine?
July is the warmest month in Irvine, averaging highs near 83°F.
What is the coldest month in Irvine?
February is the coldest month in Irvine, with lows around 46°F.
When is the rainy season in Irvine?
The wettest month in Irvine is usually February, out of roughly 25 inches of precipitation across the year.

Irvine month by month

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember