Mandan Weather in July
Average highs run from 80°F on July 1 to 84°F on July 31, and lows from 56°F to 58°F. Normal precipitation for the month is 3.24 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
- 83°F
- Average low
- 58°F
- Precipitation
- 3.24 in
- Record high
- 115°FJul 6, 1936
- Record low
- 36°FJul 4, 1972
- Chance of a freeze
- 0%
- Days of 90°F or more
- 5.7
- Daylight
- 15 h 48 min to 14 h 55 min
- Cloud cover
- 50%
- Humidity
- 57%
- Dew point
- 54°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 | 80°F | 56°F | 97°F 1921 | 42°F 1995 | 32% | 0% |
| Jul 2 | 80°F | 57°F | 98°F 1935 | 40°F 1927 | 32% | 0% |
| Jul 3 | 80°F | 57°F | 104°F 1949 | 37°F 1967 | 32% | 0% |
| Jul 4 | 81°F | 57°F | 98°F 2017 | 36°F 1972 | 32% | 0% |
| Jul 5 | 81°F | 57°F | 106°F 1936 | 41°F 1915 | 31% | 0% |
| Jul 6 | 81°F | 57°F | 115°F 1936 | 41°F 1958 | 31% | 0% |
| Jul 7 | 81°F | 57°F | 106°F 1936 | 38°F 1922 | 31% | 0% |
| Jul 8 | 81°F | 58°F | 108°F 1936 | 43°F 1944 | 31% | 0% |
| Jul 9 | 82°F | 58°F | 110°F 1921 | 43°F 1996 | 30% | 0% |
| Jul 10 | 82°F | 58°F | 111°F 1936 | 42°F 1958 | 30% | 0% |
| Jul 11 | 82°F | 58°F | 108°F 1936 | 43°F 1922 | 30% | 0% |
| Jul 12 | 82°F | 58°F | 107°F 1973 | 44°F 1975 | 30% | 0% |
| Jul 13 | 82°F | 58°F | 103°F 2006 | 40°F 1967 | 29% | 0% |
| Jul 14 | 83°F | 58°F | 99°F 2003 | 42°F 1952 | 29% | 0% |
| Jul 15 | 83°F | 58°F | 105°F 1936 | 43°F 2014 | 29% | 0% |
| Jul 16 | 83°F | 58°F | 111°F 1936 | 41°F 1976 | 29% | 0% |
| Jul 17 | 83°F | 58°F | 103°F 1919 | 39°F 2025 | 28% | 0% |
| Jul 18 | 83°F | 59°F | 107°F 1934 | 46°F 1922 | 28% | 0% |
| Jul 19 | 83°F | 59°F | 102°F 1933 | 45°F 1949 | 28% | 0% |
| Jul 20 | 84°F | 59°F | 103°F 2012 | 43°F 1972 | 28% | 0% |
| Jul 21 | 84°F | 59°F | 106°F 1960 | 44°F 1947 | 28% | 0% |
| Jul 22 | 84°F | 59°F | 103°F 1920 | 45°F 1949 | 27% | 0% |
| Jul 23 | 84°F | 59°F | 100°F 1921 | 42°F 2004 | 27% | 0% |
| Jul 24 | 84°F | 59°F | 105°F 2007 | 45°F 1913 | 27% | 0% |
| Jul 25 | 84°F | 59°F | 107°F 1931 | 46°F 1985 | 27% | 0% |
| Jul 26 | 84°F | 59°F | 108°F 1929 | 42°F 1971 | 26% | 0% |
| Jul 27 | 84°F | 59°F | 108°F 1931 | 40°F 2013 | 26% | 0% |
| Jul 28 | 84°F | 59°F | 107°F 1917 | 42°F 1971 | 26% | 0% |
| Jul 29 | 84°F | 59°F | 104°F 1959 | 43°F 1918 | 26% | 0% |
| Jul 30 | 84°F | 58°F | 103°F 1975 | 39°F 1971 | 25% | 0% |
| Jul 31 | 84°F | 58°F | 110°F 2006 | 45°F 1925 | 25% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- July 1
- sunrise 5:53 AM, sunset 9:41 PM
- July 31
- sunrise 6:22 AM, sunset 9:17 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00325479 (Mandan Exp Stn), public domain. Records: NOAA GHCN-Daily, station USC00325479, 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.