Jackson, WY weather in July
July in Jackson: mild, with some rain. Highs 79°F, lows 41°F, about 7 wet days. This is the peak of the warm season in Jackson. A good month for most outdoor plans.
- Normal high
- 79°F
- Normal low
- 41°F
- Wet days
- 7
- 1.1 in total
- Muggy days
- 0
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 75°F | 81°F |
| Normal low | 40°F | 42°F |
| Chance of a wet day | 26% | 24% |
| Sunrise / sunset | 5:46 am / 9:07 pm | 6:11 am / 8:47 pm |
| Daylight | 15.4 h | 14.6 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 and dew point under 60°F10 of 31
- Hot dayshigh 90°F or more3 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below2 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 1.1 in; a dry July brings about 0.5 in and a wet one about 1.3 in (25th and 75th percentiles). Days with half an inch or more are rare. Snow is very rare.
How July varies from year to year
- Warmest July, 1991-20202003: average high 90°F
- Coolest July1993: average high 72°F
- Wettest July1993: 3.3 in
- Driest July2008: 0.3 in
- Highest reading97°F (July 24, 2003)
- Lowest reading27°F (July 12, 2008)
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 | 70°F | 79°F | 78°F |
| Normal low | 38°F | 41°F | 40°F |
| Wet days | 10 | 7 | 8 |
| Comfortable days | 18 | 10 | 13 |
| Daylight | 15.4 h | 15.0 h | 13.9 h |
Highs change by +9°F from June and -1°F into August.
Nearby alternatives in July
- Warmer: Billings, MT194 mi · high 86°F · 8 wet days
- Drier: Sun Valley, ID180 mi · high 80°F · 4 wet days
How Jackson ranks in July
- Normal high332nd warmest of 378 cities; 4th of 4 in Wyoming
- Wet days136th driest of 378
- Comfortable days49th most of 340
What to pack for Jackson in July
- Layers – afternoons near 79°F but nights near 41°F
- Sunglasses and sunscreen – about 15.0 hours of daylight and highs near 79°F
Heating and cooling
July has 160 heating degree days and 13 cooling degree days (base 65°F), 2% of the year's total heating and cooling demand.
Questions
How hot is Jackson in July?
The normal high is 79°F and the normal low is 41°F. From 1991 to 2020 the hottest July reading was 97°F (most recently on July 24, 2003).
Does it rain a lot in Jackson in July?
About 7 days in July have at least 0.01 in of precipitation, and the normal total is 1.1 in. The wettest July in 1991-2020 was in 1993 (3.3 in); the driest was in 2008 (0.3 in).
Is July a good time to visit Jackson?
July ranks 5th of 12 months on our comfort score for Jackson (69 out of 100). It has about 10 comfortable days and about 3 days at 90°F or hotter. The best months are June and September.
Where the numbers come from
- Temperature, rain and snowfall: Jackson (USC00484910), 0.5 mi N of the city center, 6,210 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Moose (USC00486428), 12 mi N of the city center, 6,444 ft (206 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Moose 1 Nne (USW00004131), 13 mi NNE of the city center, 6,466 ft (228 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Rexburg-Madison County Apt (726818-94194), 58 mi WNW of the city center, 4,858 ft (1,380 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).