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.
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 47°F), with roughly 12 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, 1991-2020 averagesHere 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.