The best time to visit Mesa
Month-by-month climate averages for Mesa, AZ, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Mesa is usually January, February, March and November, when daytime highs sit in the pleasant 60-78°F range and the heaviest August rain is behind you.
Mesa is warmest in July (highs near 105°F) and coldest in December (lows around 43°F), with roughly 9 inches of precipitation across the year and August the wettest month. The sweet spot for most visitors is January, February, March and November.
These are long-run averages. For the actual days you are travelling, check the live Mesa forecast - and note how much the models agree, because that tells you how much to trust it.
Mesa weather by month
what to expect in Mesa through the year, 1991-2020 averagesHere is Mesa'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 Mesa by season.