Tucson
Weather by month
Current – 10-day forecastForecast

Tucson Weather in August

During August, Tucson experiences extremely high daytime temperatures of 37°C (99°F) and cooler nights around 24°C (75°F). Some rainfall is typical during this period.

Rainfall in Tucson in August

Looking at the last 30 years, the data shows about 9 days with rain, averaging 48 mm (1.9 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Tucson in August

Daytime highs in Tucson in August reach 37°C (99°F), with nights around 24°C (75°F). For most visitors, the main thing to prepare for is the heat during the day. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Tucson in August

Expect sunny days throughout the month, with an estimated 336 hours of sunshine. This makes it a pleasant time to visit Tucson.

Wind Speed in Tucson in August

Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit Tucson. Our weather planner can help you explore destinations with more pleasant weather conditions.

Tucson Temperature in August

Min Temperature
24°C (75°F)
Max Temperature
37°C (99°F)
Chance of Rain
30%
Precipitation
48 mm (1.9 in)
Rainy days
9 days
Humidity
47%
Windspeed
3 m/s (6 knots)
Sunshine
336 hours
Percentage Sunshine
81%

Tucson Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Tucson - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Tucson typically stay consistent throughout August, with daily highs averaging around 37°C (99°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in August

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

Historical weather records for Tucson in August

Browse day-by-day weather records for Tucson spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Tucson historical weather extremes in August

Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Tucson.

  • Tucson recorded its highest August temperature of 44°C (111°F) on August 7, 2025.
  • On August 26, 1993, Tucson saw its coldest August day with temperatures maxing out at 24°C (75°F).
  • Nighttime temperatures dropped to 17°C (63°F) on August 18, 1979, marking the coldest August night on record.

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Tucson in August

Pack for serious heat in Tucson in August. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Tucson in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Camping
    10/10

Tucson 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.