Tucson weather by month & the best time to visit
United States · city break · semi-arid climate
The best time to visit Tucson is April — its sunniest month (Sunshine Score 99/100), with March and October close behind. Tucson averages about 3,726 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 8 mm of rain in April.
When is the best time to visit Tucson?
For sunshine, the best time to visit Tucson is April, then March and October. The dullest month is June (30/100, 8 mm of rain). The full month-by-month picture is in the table below.
How sunny is Tucson?
Tucson is one of the sunniest places on Earth: about 3,726 hours of sunshine a year. 69 Sunshine Score points separate April (99) from June (30), so the month you pick matters. It ranks #14 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around August, carries about 58% of the annual 322 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 80 | 18° / 64°F | 4° / 39°F | 24 mm | 3 |
| February | 88 | 19° / 66°F | 5° / 41°F | 21 mm | 5 |
| March | 97 | 24° / 75°F | 8° / 46°F | 14 mm | 7 |
| April | 99 | 28° / 82°F | 11° / 52°F | 8 mm | 9 |
| May | 89 | 33° / 91°F | 16° / 61°F | 4 mm | 10 |
| June | 30 | 39° / 102°F | 22° / 72°F | 8 mm | 11 |
| July | 42 | 37° / 99°F | 24° / 75°F | 83 mm | 10 |
| August | 53 | 36° / 97°F | 23° / 73°F | 64 mm | 10 |
| September | 74 | 34° / 93°F | 21° / 70°F | 40 mm | 8 |
| October | 97 | 29° / 84°F | 15° / 59°F | 15 mm | 6 |
| November | 97 | 23° / 73°F | 9° / 48°F | 14 mm | 4 |
| December | 79 | 18° / 64°F | 4° / 39°F | 27 mm | 3 |
Nearest destinations
Head-to-head
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Tucson: questions and answers
What kind of destination is Tucson?
Tucson is a city break in United States at 792 m elevation with a semi-arid climate.
How many hours of sunshine does Tucson get a year?
Tucson gets about 3,726 hours of sunshine a year, at its best around April.
When is the best time to visit Tucson?
The sunniest time to visit Tucson is April, when the Sunshine Score peaks at 99/100 (with March and October close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Tucson?
June is the least sunny month in Tucson, scoring 30/100 with about 8 mm of rain.
How strong is the sun in Tucson?
The typical midday UV index in Tucson peaks around 11 (extreme) in June, easing to about 3 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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