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.
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- Sun hours / year
- 3,726
- Sunniest month
- April
- Peak score
- 99/100
- Rain / year
- 322 mm
- Midday UV at peak
- 11 (extreme)
- Population
- 823k
- Elevation
- 792 m

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 |
See Tucson on the interactive sunshine globe →
Nearby places for sunshine
- Mesa United States · 149 km · best in Apr · 3,778 h sun/yr
- Phoenix United States · 178 km · best in Apr · 3,833 h sun/yr
- Hermosillo Mexico · 336 km · best in Apr · 3,844 h sun/yr
- Mexicali Mexico · 408 km · best in Mar · 3,841 h sun/yr
- Ciudad Juárez Mexico · 429 km · best in Apr · 3,775 h sun/yr
- El Paso United States · 432 km · best in Apr · 3,775 h sun/yr
Nearest destinations
- Puerto Peñasco Mexico · 239 km · 3,864 h sun/yr · best in Apr
- Show Low United States · 254 km · 3,694 h sun/yr · best in Jun
- Silver City United States · 268 km · 3,744 h sun/yr · best in Apr
- Prescott United States · 314 km · 3,728 h sun/yr · best in May
Head-to-head
How Tucson compares month by month: Tucson vs Phoenix · Tucson vs Mesa · Tucson vs Hermosillo · all comparisons
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