Winter (December to February)
Mild weather with highs around 19° and lows near 5°, a few showers (5 rainy days per month on average). It's a great time to go.
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When to visit United States
Climate · 10-year averages
When to visit Tucson?
Best time to visit Tucson: from September to May. Month-by-month temperatures, rainfall and sunshine, based on ten years of weather data.
Best time to go
From September to May
Hottest month
June · 38°
Coldest month
January · 5°
Wettest month
September · 55 mm
Climate month by month
Bars: monthly rainfall. Lines: average highs and lows. Month color: our travel comfort index.
- JanuaryIdéal
18° / 5°
- Rain
- 35 mm · 5 d
- Sunshine
- 9.1 h/day
- Humidity
- 50%
- FebruaryIdéal
21° / 6°
- Rain
- 28 mm · 4 d
- Sunshine
- 9.8 h/day
- Humidity
- 42%
- MarchIdéal
24° / 9°
- Rain
- 21 mm · 3 d
- Sunshine
- 10.7 h/day
- Humidity
- 34%
- AprilIdéal
29° / 13°
- Rain
- 3 mm · 1 d
- Sunshine
- 12.5 h/day
- Humidity
- 21%
- MayIdéal
33° / 17°
- Rain
- 3 mm · 1 d
- Sunshine
- 12.9 h/day
- Humidity
- 20%
- JuneMitigé
38° / 23°
- Rain
- 8 mm · 1 d
- Sunshine
- 13.1 h/day
- Humidity
- 20%
- JulyMitigé
37° / 26°
- Rain
- 51 mm · 7 d
- Sunshine
- 11.8 h/day
- Humidity
- 39%
- AugustCorrect
36° / 24°
- Rain
- 44 mm · 6 d
- Sunshine
- 11.9 h/day
- Humidity
- 45%
- SeptemberTrès bien
34° / 22°
- Rain
- 55 mm · 5 d
- Sunshine
- 11.2 h/day
- Humidity
- 43%
- OctoberIdéal
30° / 16°
- Rain
- 21 mm · 3 d
- Sunshine
- 10.7 h/day
- Humidity
- 37%
- NovemberIdéal
24° / 10°
- Rain
- 17 mm · 3 d
- Sunshine
- 9.5 h/day
- Humidity
- 38%
- DecemberIdéal
18° / 6°
- Rain
- 40 mm · 5 d
- Sunshine
- 8.6 h/day
- Humidity
- 52%
2014–2023 averages from the ERA5 reanalysis (Copernicus) via Open-Meteo. A day counts as a “rainy day” from 1 mm of rain.
Our take, season by season
Spring (March to May)
Pleasant warmth with highs around 29° and lows near 13°, almost always dry (2 rainy days per month on average). It's a great time to go.
Summer (June to August)
Oppressive heat with highs around 37° and lows near 24°, a few showers (5 rainy days per month on average). A decent time to go, as long as you're willing to make a few compromises.
Fall (September to November)
Pleasant warmth with highs around 29° and lows near 16°, almost always dry (4 rainy days per month on average). It's a great time to go.
Frequently asked questions
- When is the best time to visit Tucson?
- The best time to visit Tucson is from September to May, with highs between 18° and 34° and few rainy days.
- What is the hottest month in Tucson?
- June is the hottest month, with an average high of 38 °C.
- What is the coldest month in Tucson?
- January is the coldest month, with an average low of 5 °C.
- When does it rain the most in Tucson?
- September is the wettest month (55 mm, about 5 rainy days). The driest is April (3 mm).
When to visit other cities · United States
The capital and the country's other major cities.
More practical info: United States
- Country guideEverything about a country on one page: time, weather, currency, plugs, emergency numbers, tipping, visas.
- WeatherTemperature, rain, wind, and UV index for every capital.
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- Power OutletsPlug type, voltage, and whether your devices need an adapter.
- Driving SideWhich side of the road to drive on and which license you need before renting a car.
- Emergency NumbersPolice, ambulance, and fire department numbers for every country.
- TippingHow much to tip at restaurants, in taxis, and at hotels.
- Dialing CodesHow to call a country from abroad.
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- Visa requirements from FranceDo you need a visa for United States?