Petroleum County Weather in July
Average highs run from 81°F on July 1 to 89°F on July 31, and lows from 52°F to 55°F. Normal precipitation for the month is 1.56 in over about 7 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
- 86°F
- Average low
- 54°F
- Precipitation
- 1.56 in
- Record high
- 106°FJul 12, 2026
- Record low
- 30°FJul 5, 1994
- Chance of a freeze
- 0%
- Days of 90°F or more
- 11.8
- Daylight
- 15 h 50 min to 14 h 56 min
- Cloud cover
- 47%
- Humidity
- 46%
- Dew point
- 49°F
- Wind
- 8.7 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 | 52°F | 100°F 1990 | 35°F 1968 | 30% | 0% |
| Jul 2 | 81°F | 52°F | 100°F 1936 | 35°F 1955 | 29% | 0% |
| Jul 3 | 82°F | 52°F | 103°F 1936 | 36°F 1972 | 29% | 0% |
| Jul 4 | 82°F | 52°F | 103°F 1937 | 33°F 1972 | 28% | 0% |
| Jul 5 | 82°F | 52°F | 105°F 1936 | 30°F 1994 | 28% | 0% |
| Jul 6 | 83°F | 52°F | 102°F 1936 | 40°F 1945 | 27% | 0% |
| Jul 7 | 83°F | 53°F | 102°F 1936 | 37°F 1971 | 27% | 0% |
| Jul 8 | 84°F | 53°F | 102°F 1983 | 37°F 1971 | 26% | 0% |
| Jul 9 | 84°F | 53°F | 98°F 1940 | 38°F 2011 | 26% | 0% |
| Jul 10 | 84°F | 53°F | 102°F 1973 | 40°F 1999 | 26% | 0% |
| Jul 11 | 85°F | 53°F | 100°F 1939 | 35°F 1951 | 25% | 0% |
| Jul 12 | 85°F | 53°F | 106°F 2026 | 39°F 1963 | 25% | 0% |
| Jul 13 | 85°F | 54°F | 101°F 1953 | 40°F 1965 | 24% | 0% |
| Jul 14 | 86°F | 54°F | 103°F 1953 | 31°F 1994 | 24% | 0% |
| Jul 15 | 86°F | 54°F | 100°F 1935 | 36°F 1994 | 24% | 0% |
| Jul 16 | 86°F | 54°F | 102°F 1966 | 33°F 1994 | 23% | 0% |
| Jul 17 | 87°F | 54°F | 103°F 1936 | 38°F 1914 | 23% | 0% |
| Jul 18 | 87°F | 54°F | 106°F 1936 | 42°F 1914 | 23% | 0% |
| Jul 19 | 87°F | 55°F | 103°F 1960 | 37°F 1972 | 22% | 0% |
| Jul 20 | 87°F | 55°F | 102°F 1934 | 41°F 1994 | 22% | 0% |
| Jul 21 | 88°F | 55°F | 102°F 1936 | 36°F 1994 | 22% | 0% |
| Jul 22 | 88°F | 55°F | 104°F 1985 | 37°F 1954 | 21% | 0% |
| Jul 23 | 88°F | 55°F | 100°F 1940 | 40°F 1950 | 21% | 0% |
| Jul 24 | 88°F | 55°F | 102°F 1936 | 41°F 1952 | 21% | 0% |
| Jul 25 | 88°F | 55°F | 101°F 1988 | 42°F 1958 | 21% | 0% |
| Jul 26 | 88°F | 55°F | 101°F 1988 | 38°F 1971 | 21% | 0% |
| Jul 27 | 88°F | 55°F | 100°F 1935 | 40°F 2012 | 20% | 0% |
| Jul 28 | 89°F | 55°F | 104°F 1935 | 39°F 1976 | 20% | 0% |
| Jul 29 | 89°F | 55°F | 98°F 1934 | 36°F 1971 | 20% | 0% |
| Jul 30 | 89°F | 55°F | 100°F 1936 | 39°F 1971 | 20% | 0% |
| Jul 31 | 89°F | 55°F | 100°F 1936 | 40°F 1968 | 20% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- July 1
- sunrise 5:22 AM, sunset 9:12 PM
- July 31
- sunrise 5:51 AM, sunset 8:47 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00248498 (Valentine), public domain. Records: NOAA GHCN-Daily, station USC00243727, 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.