Tucson weather in July: Tucson, Arizona: normal highs, lows, rain and records for July
Tucson in July has a normal high of 100°F and a normal low of 76°F, a daily mean of 88°F, falling from 102°F on the 1st to 99°F by the 31st. Measurable precipitation falls on 9 days in a normal July, 2.21 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 38°C and low of 25°C, 56 mm of precipitation in July.
- NOAA stationTucson International Airport
- Station IDUSW00023160
- Location32.13°N 110.96°W
- Elevation2,549 ft (777 m)
- From the center5 miles
- Population554,013
- Jan 67° 41°
- Feb 69° 43°
- Mar 76° 48°
- Apr 83° 53°
- May 92° 62°
- Jun 101° 71°
- Jul 100° 76°
- Aug 99° 75°
- Sep 95° 70°
- Oct 86° 59°
- Nov 75° 48°
- Dec 66° 41°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Tucson in July?
The normal high is 100°F and the normal low 76°F, for a daily mean of 88.2°F. July is 2.1°F warmer than June and 1.3°F warmer than August. July is the warmest month of the year in Tucson and the wettest. Across the month the normal high falls 3°F, from 102°F on July 1 to 99°F on July 31. From one year to the next July's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Julys in three average between 87°F and 90°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 102°F | 75°F | 17% | 9% |
| July 8 | 101°F | 76°F | 22% | 12% |
| July 15 | 100°F | 77°F | 26% | 14% |
| July 22 | 99°F | 77°F | 28% | 15% |
| July 31 | 99°F | 76°F | 30% | 15% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 1, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 102°F | 75°F | 17% | 9% | 14 h 10 min |
| July 2 | 102°F | 75°F | 17% | 9% | 14 h 10 min |
| July 3 | 102°F | 76°F | 18% | 10% | 14 h 10 min |
| July 4 | 102°F | 76°F | 19% | 10% | 14 h 10 min |
| July 5 | 102°F | 76°F | 20% | 11% | 14 h 10 min |
| July 6 | 102°F | 76°F | 20% | 11% | 14 h 10 min |
| July 7 | 101°F | 76°F | 21% | 11% | 14 h 10 min |
| July 8 | 101°F | 76°F | 22% | 12% | 14 h 10 min |
| July 9 | 101°F | 76°F | 22% | 12% | 14 h 10 min |
| July 10 | 101°F | 76°F | 23% | 12% | 14 h 10 min |
| July 11 | 101°F | 76°F | 24% | 13% | 14 h 10 min |
| July 12 | 101°F | 77°F | 24% | 13% | 14 h 10 min |
| July 13 | 101°F | 77°F | 25% | 13% | 14 h 10 min |
| July 14 | 100°F | 77°F | 25% | 14% | 14 h 10 min |
| July 15 | 100°F | 77°F | 26% | 14% | 14 h |
| July 16 | 100°F | 77°F | 26% | 14% | 14 h |
| July 17 | 100°F | 77°F | 27% | 14% | 14 h |
| July 18 | 100°F | 77°F | 27% | 15% | 14 h |
| July 19 | 100°F | 77°F | 27% | 15% | 14 h |
| July 20 | 100°F | 77°F | 28% | 15% | 14 h |
| July 21 | 100°F | 77°F | 28% | 15% | 14 h |
| July 22 | 99°F | 77°F | 28% | 15% | 14 h |
| July 23 | 99°F | 77°F | 29% | 15% | 14 h |
| July 24 | 99°F | 77°F | 29% | 15% | 13 h 50 min |
| July 25 | 99°F | 77°F | 29% | 15% | 13 h 50 min |
| July 26 | 99°F | 77°F | 29% | 15% | 13 h 50 min |
| July 27 | 99°F | 76°F | 29% | 15% | 13 h 50 min |
| July 28 | 99°F | 76°F | 29% | 16% | 13 h 50 min |
| July 29 | 99°F | 76°F | 30% | 16% | 13 h 50 min |
| July 30 | 99°F | 76°F | 30% | 16% | 13 h 50 min |
| July 31 | 99°F | 76°F | 30% | 15% | 13 h 50 min |
- Normal high
- 100°FJuly average
- Normal low
- 76°FJuly average
- Precipitation
- 2.21 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 30
- Daylight
- 14 h 10 min to 13 h 50 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023160; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Tucson in July?
On a given July day the chance of 0.01 inch or more is 25% on average, highest around July 29 (30%). In all, 2.21 in falls on 9 days of a normal July, 1 of them with an inch or more.
In a normal July in Tucson, 30 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023160.
How humid and windy is Tucson in July?
At 3 p.m. the normal temperature is 96°F with 26% relative humidity and a dew point of 56°F; at 6 a.m. it is 77°F with 59% humidity. The wind averages 7.4 mph, most often from the west-northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 77°F | 62°F | 59% | 7.2 mph | 76% |
| 9 a.m. | 85°F | 61°F | 44% | 5.3 mph | 84% |
| noon | 94°F | 57°F | 29% | 6.1 mph | 81% |
| 3 p.m. | 96°F | 56°F | 26% | 8.4 mph | 70% |
| 6 p.m. | 93°F | 56°F | 29% | 9.8 mph | 69% |
| 9 p.m. | 86°F | 59°F | 39% | 8.0 mph | 70% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023160. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Tucson?
The warmest July temperature on Tucson's official record (since 1894) is 114°F, on July 4, 1989; the coldest is 49°F, on July 3, 1911. The wettest July brought 8.06 in (2021).
The July mean against the 1991-2020 normal of 88.2°F: 2021 85.8°F (−2.4), 2022 90.0°F (+1.8), 2023 94.2°F (+6.0), 2024 91.7°F (+3.5), 2025 89.8°F (+1.6), 2026 89.8°F (+1.6). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 85.8°F | −2.4°F | 8.06 in |
| 2022 | 90.0°F | +1.8°F | 1.08 in |
| 2023 | 94.2°F | +6.0°F | 2.00 in |
| 2024 | 91.7°F | +3.5°F | 3.41 in |
| 2025 | 89.8°F | +1.6°F | 1.88 in |
| 2026 | 89.8°F | +1.6°F | 0.70 in |
Source: records: ACIS, NWS threaded record TUSthr; recent months: ACIS, station USW00023160. Records and recent months use complete months only.
How does July in Tucson compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, July normal highs run from 76°F in Greer to 111°F in Bullhead City; Tucson's is 100°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.