Thermopolis Weather in July
Average highs run from 89°F on July 1 to 93°F on July 31, and lows from 54°F to 58°F. Normal precipitation for the month is 0.76 in over about 5 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 92°F
- Average low
- 57°F
- Precipitation
- 0.76 in
- Record high
- 109°FJul 12, 2026
- Record low
- 34°FJul 8, 1955
- Chance of a freeze
- 0%
- Days of 90°F or more
- 21.9
- Daylight
- 15 h 23 min to 14 h 36 min
- Cloud cover
- 40%
- Humidity
- 40%
- Dew point
- 44°F
- Wind
- 6.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 89°F | 54°F | 102°F 1990 | 38°F 1951 | 19% | 0% |
| Jul 2 | 89°F | 55°F | 101°F 1990 | 35°F 1955 | 19% | 0% |
| Jul 3 | 89°F | 55°F | 101°F 1996 | 35°F 1955 | 18% | 0% |
| Jul 4 | 90°F | 55°F | 102°F 1936 | 39°F 1903 | 18% | 0% |
| Jul 5 | 90°F | 55°F | 103°F 1916 | 37°F 1932 | 18% | 0% |
| Jul 6 | 90°F | 56°F | 104°F 1916 | 41°F 1904 | 17% | 0% |
| Jul 7 | 91°F | 56°F | 105°F 1936 | 38°F 1952 | 17% | 0% |
| Jul 8 | 91°F | 56°F | 102°F 1954 | 34°F 1955 | 17% | 0% |
| Jul 9 | 91°F | 56°F | 104°F 2002 | 38°F 1929 | 17% | 0% |
| Jul 10 | 91°F | 56°F | 106°F 1939 | 41°F 1915 | 17% | 0% |
| Jul 11 | 92°F | 57°F | 105°F 1954 | 40°F 1904 | 17% | 0% |
| Jul 12 | 92°F | 57°F | 109°F 2026 | 41°F 1951 | 17% | 0% |
| Jul 13 | 92°F | 57°F | 106°F 2005 | 40°F 1950 | 17% | 0% |
| Jul 14 | 92°F | 57°F | 105°F 1925 | 40°F 1963 | 17% | 0% |
| Jul 15 | 92°F | 57°F | 105°F 2002 | 39°F 1963 | 17% | 0% |
| Jul 16 | 92°F | 58°F | 105°F 2006 | 44°F 1900 | 17% | 0% |
| Jul 17 | 93°F | 58°F | 104°F 1909 | 41°F 1950 | 17% | 0% |
| Jul 18 | 93°F | 58°F | 105°F 1910 | 40°F 1915 | 17% | 0% |
| Jul 19 | 93°F | 58°F | 106°F 1931 | 41°F 1924 | 17% | 0% |
| Jul 20 | 93°F | 58°F | 103°F 1920 | 43°F 1952 | 17% | 0% |
| Jul 21 | 93°F | 58°F | 103°F 1917 | 38°F 1924 | 17% | 0% |
| Jul 22 | 93°F | 58°F | 106°F 1917 | 39°F 1954 | 17% | 0% |
| Jul 23 | 93°F | 58°F | 106°F 1940 | 38°F 1954 | 17% | 0% |
| Jul 24 | 93°F | 58°F | 103°F 1917 | 40°F 1904 | 17% | 0% |
| Jul 25 | 93°F | 58°F | 107°F 1929 | 40°F 1904 | 17% | 0% |
| Jul 26 | 93°F | 58°F | 103°F 1917 | 40°F 1925 | 16% | 0% |
| Jul 27 | 93°F | 58°F | 105°F 2021 | 40°F 1904 | 16% | 0% |
| Jul 28 | 93°F | 58°F | 103°F 1931 | 39°F 1904 | 16% | 0% |
| Jul 29 | 93°F | 58°F | 104°F 2006 | 39°F 1904 | 16% | 0% |
| Jul 30 | 93°F | 58°F | 103°F 2006 | 39°F 1950 | 16% | 0% |
| Jul 31 | 93°F | 58°F | 106°F 1900 | 39°F 1950 | 16% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- July 1
- sunrise 5:35 AM, sunset 8:58 PM
- July 31
- sunrise 6:01 AM, sunset 8:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00488875 (Thermopolis), public domain. Records: NOAA GHCN-Daily, station USC00488875, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.