St. George, UT weather in July
July in St. George: very hot and dry. Highs 102°F, lows 72°F, about 3 wet days. This is the peak of the warm season in St. George. Midday heat is the main thing to plan around.
- Normal high
- 102°F
- Normal low
- 72°F
- Wet days
- 3
- 0.5 in total
- Daylight
- 14.4 h
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 100°F | 102°F |
| Normal low | 69°F | 73°F |
| Chance of a wet day | 6% | 10% |
| Sunrise / sunset | 6:18 am / 8:58 pm | 6:38 am / 8:42 pm |
| Daylight | 14.7 h | 14.1 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)0 of 31
- Hot dayshigh 90°F or more31 of 31
- Wet daysat least 0.01 in of rain or melted snow3 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 0.5 in; a dry July brings about 0.04 in and a wet one about 0.8 in (25th and 75th percentiles). Days with half an inch or more are rare.
How July varies from year to year
- Warmest July, 1991-20201994: average high 107°F
- Coolest July2015: average high 98°F
- Wettest July2017: 2.4 in
- Driest July1993: no measurable precipitation
- Highest reading114°F (July 29, 1995)
- Lowest reading60°F (July 29, 2020)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 96°F | 102°F | 100°F |
| Normal low | 65°F | 72°F | 70°F |
| Wet days | 1 | 3 | 3 |
| Comfortable days | 1 | 0 | 0 |
| Daylight | 14.7 h | 14.4 h | 13.6 h |
Highs change by +6°F from June and -2°F into August.
Nearby alternatives in July
- Warmer: Furnace Creek, CA187 mi · high 117°F · 1 wet day
- Cooler: Bryce Canyon City, UT88 mi · high 80°F · 9 wet days
How St. George ranks in July
- Normal high12th warmest of 378 cities; 1st of 7 in Utah
- Wet days70th driest of 378
What to pack for St. George in July
- Light, breathable clothing – highs near 102°F
- Layers – afternoons near 102°F but nights near 72°F
- Sunglasses and sunscreen – about 14.4 hours of daylight and highs near 102°F
Heating and cooling
July has 0 heating degree days and 676 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How hot is St. George in July?
The normal high is 102°F and the normal low is 72°F. From 1991 to 2020 the hottest July reading was 114°F (most recently on July 29, 1995).
Does it rain a lot in St. George in July?
About 3 days in July have at least 0.01 in of precipitation, and the normal total is 0.5 in. The wettest July in 1991-2020 was in 2017 (2.4 in); the driest was in 1993, with no measurable precipitation.
Is July a good time to visit St. George?
July ranks 11th of 12 months on our comfort score for St. George (38 out of 100). It has almost no comfortable days (judged by temperature only) and about 31 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: St George (USC00427516), 1.6 mi NW of the city center, 2,857 ft (161 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).