Williston Weather in July
Average highs run from 81°F on July 1 to 87°F on July 31, and lows from 54°F to 57°F. Normal precipitation for the month is 2.48 in over about 9 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
- 85°F
- Average low
- 56°F
- Precipitation
- 2.48 in
- Record high
- 108°FJul 27, 1988
- Record low
- 35°FJul 3, 1967
- Chance of a freeze
- 0%
- Days of 90°F or more
- 8.2
- Daylight
- 16 h 00 min to 15 h 03 min
- Cloud cover
- 49%
- Humidity
- 52%
- Dew point
- 52°F
- Wind
- 9.8 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 | 81°F | 54°F | 96°F 2003 | 43°F 1967 | 37% | 0% |
| Jul 2 | 81°F | 54°F | 97°F 1990 | 38°F 1967 | 37% | 0% |
| Jul 3 | 82°F | 54°F | 103°F 2021 | 35°F 1967 | 36% | 0% |
| Jul 4 | 82°F | 55°F | 104°F 1989 | 42°F 1962 | 36% | 0% |
| Jul 5 | 82°F | 55°F | 104°F 1989 | 40°F 1958 | 35% | 0% |
| Jul 6 | 82°F | 55°F | 103°F 1981 | 44°F 1958 | 35% | 0% |
| Jul 7 | 83°F | 55°F | 101°F 1981 | 39°F 1958 | 34% | 0% |
| Jul 8 | 83°F | 55°F | 107°F 1989 | 43°F 1971 | 34% | 0% |
| Jul 9 | 83°F | 56°F | 104°F 1989 | 44°F 1978 | 34% | 0% |
| Jul 10 | 84°F | 56°F | 102°F 1980 | 48°F 1962 | 33% | 0% |
| Jul 11 | 84°F | 56°F | 102°F 1980 | 40°F 1959 | 33% | 0% |
| Jul 12 | 84°F | 56°F | 107°F 2026 | 45°F 1987 | 33% | 0% |
| Jul 13 | 84°F | 56°F | 107°F 2026 | 42°F 1967 | 32% | 0% |
| Jul 14 | 85°F | 56°F | 104°F 1983 | 45°F 1961 | 32% | 0% |
| Jul 15 | 85°F | 57°F | 103°F 1983 | 46°F 2009 | 32% | 0% |
| Jul 16 | 85°F | 57°F | 103°F 1966 | 43°F 1958 | 32% | 0% |
| Jul 17 | 85°F | 57°F | 103°F 1966 | 46°F 1972 | 31% | 0% |
| Jul 18 | 85°F | 57°F | 101°F 1974 | 45°F 1958 | 31% | 0% |
| Jul 19 | 86°F | 57°F | 102°F 1960 | 45°F 2015 | 31% | 0% |
| Jul 20 | 86°F | 57°F | 105°F 1960 | 41°F 1972 | 31% | 0% |
| Jul 21 | 86°F | 57°F | 101°F 1984 | 45°F 1980 | 30% | 0% |
| Jul 22 | 86°F | 57°F | 102°F 1985 | 46°F 1992 | 30% | 0% |
| Jul 23 | 86°F | 57°F | 104°F 1980 | 46°F 2004 | 30% | 0% |
| Jul 24 | 86°F | 57°F | 103°F 2007 | 48°F 1958 | 30% | 0% |
| Jul 25 | 86°F | 57°F | 106°F 2024 | 45°F 2019 | 29% | 0% |
| Jul 26 | 86°F | 57°F | 104°F 2024 | 41°F 2019 | 29% | 0% |
| Jul 27 | 87°F | 57°F | 108°F 1988 | 46°F 1956 | 29% | 0% |
| Jul 28 | 87°F | 57°F | 104°F 1988 | 42°F 1971 | 29% | 0% |
| Jul 29 | 87°F | 57°F | 104°F 1984 | 44°F 2004 | 29% | 0% |
| Jul 30 | 87°F | 57°F | 102°F 2007 | 43°F 1962 | 29% | 0% |
| Jul 31 | 87°F | 57°F | 104°F 1989 | 45°F 1968 | 29% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- July 1
- sunrise 5:58 AM, sunset 9:58 PM
- July 31
- sunrise 6:29 AM, sunset 9:32 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094014 (Williston Sloulin Intl AP), public domain. Records: NOAA GHCN-Daily, station USC00329430, 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.