Current Weather and Forecast in Tucson, AZ
Arizona, United States 🇺🇸
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About the weather in Tucson
Tucson has a semi-arid climate. July is the warmest month, with average highs of 100°, and January the coldest, when nights fall to around 41°. July brings the most rain, on about 8 days, while May is the sunniest, with 12.9 hours of sunshine a day. Over a whole year it rains on roughly 45 days.
Tucson climate guide: monthly averages, seasons and the best time to visit
Common questions
When is Tucson at its hottest?
July, averaging 100°F (38°C) by day and 78°F (26°C) overnight. The hottest single day in our 2015-2024 record for this location reached 113°F (45°C).
What is the best time to visit Tucson?
The best time to visit Tucson is generally November to April, when temperatures sit either side of the peak heat rather than in it. Daytime temperatures in that window sit near 72°F (22°C), with rain on about 4 days a month. For the same question asked the other way round, see where else is warm in November.
When is Tucson at its coldest?
January, with highs of 64°F (18°C) and lows near 41°F (5°C). The coldest day in the 2015-2024 record fell to 26°F (-3°C).
What is the average temperature in Tucson?
71°F (22°C) across all twelve months - about 84°F (29°C) by day and 59°F (15°C) after dark.
What is the rainiest month in Tucson?
July, at 2.0 inches (52 mm) over about 8 days. May is the driest month, at 3 mm (0.1 in).
Is Tucson hot in summer?
July averages 100°F (38°C). That is serious heat, and the decade record for this location is 113°F (45°C).
Does it snow in Tucson?
Yes - about 1 days a year carry measurable snowfall.