The best time to visit Santa Ana
Month-by-month climate averages for Santa Ana, CA, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Santa Ana 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.
Santa Ana is warmest in August (highs near 86°F) and coldest in January (lows around 47°F), with roughly 21 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 Santa Ana forecast — and note how much the models agree, because that tells you how much to trust it.
Santa Ana weather by month
what to expect in Santa Ana through the yearHere is Santa Ana'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 Santa Ana by season.