St. George weather in July: St. George, Utah: normal highs, lows, rain and records for July
St. George in July has a normal high of 102°F and a normal low of 72°F, a daily mean of 87°F, rising from 100°F on the 1st to 102°F by the 31st. Measurable precipitation falls on 3 days in a normal July, 0.50 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 39°C and low of 22°C, 13 mm of precipitation in July.
- NOAA stationSt George
- Station IDUSC00427516
- Location37.12°N 113.61°W
- Elevation2,857 ft (871 m)
- Population106,288
- Jan 54° 28°
- Feb 59° 32°
- Mar 68° 39°
- Apr 75° 46°
- May 85° 56°
- Jun 96° 65°
- Jul 102° 72°
- Aug 100° 70°
- Sep 92° 61°
- Oct 79° 47°
- Nov 64° 35°
- Dec 53° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. George in July?
The normal high is 102°F and the normal low 72°F, for a daily mean of 86.8°F. July is 6.4°F warmer than June and 1.7°F warmer than August. July is the warmest month of the year in St. George and the 10th wettest. Across the month the normal high rises 2°F, from 100°F on July 1 to 102°F on July 31. From one year to the next July's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Julys in three average between 85°F and 89°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 10%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 100°F | 69°F | 5% | 3% |
| July 8 | 102°F | 71°F | 7% | 4% |
| July 15 | 102°F | 72°F | 8% | 5% |
| July 22 | 102°F | 73°F | 9% | 6% |
| July 31 | 102°F | 73°F | 10% | 6% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 18, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 100°F | 69°F | 5% | 3% | 14 h 40 min |
| July 2 | 101°F | 69°F | 5% | 3% | 14 h 40 min |
| July 3 | 101°F | 70°F | 6% | 3% | 14 h 40 min |
| July 4 | 101°F | 70°F | 6% | 3% | 14 h 40 min |
| July 5 | 101°F | 70°F | 6% | 3% | 14 h 40 min |
| July 6 | 101°F | 70°F | 6% | 3% | 14 h 40 min |
| July 7 | 101°F | 71°F | 7% | 4% | 14 h 40 min |
| July 8 | 102°F | 71°F | 7% | 4% | 14 h 40 min |
| July 9 | 102°F | 71°F | 7% | 4% | 14 h 40 min |
| July 10 | 102°F | 71°F | 7% | 4% | 14 h 30 min |
| July 11 | 102°F | 71°F | 7% | 4% | 14 h 30 min |
| July 12 | 102°F | 72°F | 8% | 4% | 14 h 30 min |
| July 13 | 102°F | 72°F | 8% | 5% | 14 h 30 min |
| July 14 | 102°F | 72°F | 8% | 5% | 14 h 30 min |
| July 15 | 102°F | 72°F | 8% | 5% | 14 h 30 min |
| July 16 | 102°F | 72°F | 9% | 5% | 14 h 30 min |
| July 17 | 102°F | 72°F | 9% | 5% | 14 h 30 min |
| July 18 | 102°F | 72°F | 9% | 5% | 14 h 30 min |
| July 19 | 102°F | 73°F | 9% | 5% | 14 h 20 min |
| July 20 | 102°F | 73°F | 9% | 5% | 14 h 20 min |
| July 21 | 102°F | 73°F | 9% | 5% | 14 h 20 min |
| July 22 | 102°F | 73°F | 9% | 6% | 14 h 20 min |
| July 23 | 102°F | 73°F | 10% | 6% | 14 h 20 min |
| July 24 | 102°F | 73°F | 10% | 6% | 14 h 20 min |
| July 25 | 102°F | 73°F | 10% | 6% | 14 h 20 min |
| July 26 | 102°F | 73°F | 10% | 6% | 14 h 10 min |
| July 27 | 102°F | 73°F | 10% | 6% | 14 h 10 min |
| July 28 | 102°F | 73°F | 10% | 6% | 14 h 10 min |
| July 29 | 102°F | 73°F | 10% | 6% | 14 h 10 min |
| July 30 | 102°F | 73°F | 10% | 6% | 14 h 10 min |
| July 31 | 102°F | 73°F | 10% | 6% | 14 h 10 min |
- Normal high
- 102°FJuly average
- Normal low
- 72°FJuly average
- Precipitation
- 0.50 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 31
- Daylight
- 14 h 40 min to 14 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00427516; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in St. George in July?
On a given July day the chance of 0.01 inch or more is 8% on average, highest around July 29 (10%). In all, 0.50 in falls on 3 days of a normal July.
In a normal July in St. George, 31 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00427516.
What are the records for July in St. George?
The warmest July temperature on this station's record (since 1893) is 117°F, on July 5, 1985; the coldest is 41°F, on July 11, 1893. The wettest July brought 2.98 in (1896).
The July mean against the 1991-2020 normal of 86.8°F: 2021 89.7°F (+2.9), 2022 89.7°F (+2.9), 2023 89.8°F (+3.0), 2024 90.7°F (+3.9), 2025 86.8°F (at normal), 2026 89.5°F (+2.7). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 89.7°F | +2.9°F | 1.23 in |
| 2022 | 89.7°F | +2.9°F | 1.03 in |
| 2023 | 89.8°F | +3.0°F | 0.02 in |
| 2024 | 90.7°F | +3.9°F | 0.47 in |
| 2025 | 86.8°F | at normal | 0.03 in |
| 2026 | 89.5°F | +2.7°F | 0.11 in |
Source: records: ACIS, station USC00427516; recent months: ACIS, station USC00427516. Records and recent months use complete months only.
How does July in St. George compare across Utah?
Across the 97 places PlainClimate covers in Utah, July normal highs run from 71°F in Brian Head to 102°F in St. George; St. George's is 102°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.