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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Tucson's climate page.
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%
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 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 49 years of weather observations (1976-2025), 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 →
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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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Tucson's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Tucson climate overview or explore weather in the United States of America.
