Mellette County Weather in July
Average highs run from 86°F on July 1 to 91°F on July 31, and lows from 59°F to 62°F. Normal precipitation for the month is 2.62 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
- 90°F
- Average low
- 62°F
- Precipitation
- 2.62 in
- Record high
- 111°FJul 17, 2006
- Record low
- 35°FJul 30, 1971
- Chance of a freeze
- 0%
- Days of 90°F or more
- 15.5
- Daylight
- 15 h 22 min to 14 h 36 min
- Cloud cover
- 47%
- Humidity
- 52%
- Dew point
- 56°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 | 86°F | 59°F | 102°F 1980 | 37°F 1977 | 29% | 0% |
| Jul 2 | 87°F | 59°F | 103°F 1974 | 39°F 1968 | 29% | 0% |
| Jul 3 | 87°F | 60°F | 106°F 1990 | 40°F 1972 | 29% | 0% |
| Jul 4 | 87°F | 60°F | 104°F 1966 | 41°F 1967 | 28% | 0% |
| Jul 5 | 88°F | 60°F | 104°F 1966 | 42°F 1972 | 28% | 0% |
| Jul 6 | 88°F | 60°F | 105°F 1974 | 48°F 1999 | 28% | 0% |
| Jul 7 | 88°F | 61°F | 107°F 1973 | 50°F 1982 | 28% | 0% |
| Jul 8 | 89°F | 61°F | 103°F 1974 | 48°F 1971 | 28% | 0% |
| Jul 9 | 89°F | 61°F | 107°F 1989 | 46°F 1981 | 28% | 0% |
| Jul 10 | 89°F | 61°F | 104°F 1976 | 46°F 1999 | 28% | 0% |
| Jul 11 | 89°F | 61°F | 110°F 1966 | 43°F 1975 | 28% | 0% |
| Jul 12 | 90°F | 61°F | 106°F 1966 | 42°F 1975 | 28% | 0% |
| Jul 13 | 90°F | 62°F | 102°F 1974 | 44°F 1967 | 28% | 0% |
| Jul 14 | 90°F | 62°F | 105°F 1980 | 42°F 1967 | 28% | 0% |
| Jul 15 | 90°F | 62°F | 101°F 1969 | 47°F 1970 | 28% | 0% |
| Jul 16 | 90°F | 62°F | 110°F 2006 | 46°F 1976 | 28% | 0% |
| Jul 17 | 90°F | 62°F | 111°F 2006 | 47°F 1982 | 28% | 0% |
| Jul 18 | 91°F | 62°F | 104°F 1970 | 51°F 1982 | 28% | 0% |
| Jul 19 | 91°F | 62°F | 105°F 1977 | 48°F 1971 | 28% | 0% |
| Jul 20 | 91°F | 62°F | 103°F 2002 | 45°F 1970 | 28% | 0% |
| Jul 21 | 91°F | 62°F | 106°F 2002 | 48°F 1988 | 28% | 0% |
| Jul 22 | 91°F | 63°F | 101°F 2012 | 48°F 1990 | 28% | 0% |
| Jul 23 | 91°F | 63°F | 100°F 1976 | 48°F 1990 | 28% | 0% |
| Jul 24 | 91°F | 63°F | 105°F 2005 | 51°F 1978 | 28% | 0% |
| Jul 25 | 91°F | 63°F | 104°F 2012 | 50°F 1968 | 28% | 0% |
| Jul 26 | 91°F | 63°F | 109°F 2003 | 42°F 1971 | 28% | 0% |
| Jul 27 | 91°F | 63°F | 99°F 1975 | 42°F 1971 | 28% | 0% |
| Jul 28 | 91°F | 63°F | 99°F 1980 | 38°F 1971 | 28% | 0% |
| Jul 29 | 91°F | 62°F | 104°F 2006 | 42°F 1971 | 28% | 0% |
| Jul 30 | 91°F | 62°F | 109°F 1980 | 35°F 1971 | 27% | 0% |
| Jul 31 | 91°F | 62°F | 103°F 2006 | 44°F 1971 | 27% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- July 1
- sunrise 6:06 AM, sunset 9:28 PM
- July 31
- sunrise 6:31 AM, sunset 9:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00391539 (Cedar Butte), public domain. Records: NOAA GHCN-Daily, station USC00395620, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.