Saint Clair Weather in July
Average highs run from 80°F on July 1 to 81°F on July 31, and lows from 63°F to 66°F. Normal precipitation for the month is 3.25 in over about 10 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
- 81°F
- Average low
- 65°F
- Precipitation
- 3.25 in
- Record high
- 103°FJul 9, 1936
- Record low
- 35°FJul 1, 1936
- Chance of a freeze
- 0%
- Days of 90°F or more
- 4.0
- Daylight
- 15 h 17 min to 14 h 32 min
- Cloud cover
- 55%
- Humidity
- 75%
- Dew point
- 62°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 | 80°F | 63°F | 97°F 2002 | 35°F 1936 | 34% | 0% |
| Jul 2 | 80°F | 64°F | 97°F 2002 | 46°F 1936 | 34% | 0% |
| Jul 3 | 81°F | 64°F | 98°F 1949 | 44°F 1936 | 34% | 0% |
| Jul 4 | 81°F | 64°F | 99°F 2012 | 44°F 1936 | 34% | 0% |
| Jul 5 | 81°F | 64°F | 99°F 1955 | 42°F 1941 | 34% | 0% |
| Jul 6 | 81°F | 64°F | 100°F 1988 | 47°F 1936 | 34% | 0% |
| Jul 7 | 81°F | 65°F | 100°F 1988 | 48°F 1950 | 34% | 0% |
| Jul 8 | 81°F | 65°F | 99°F 1988 | 45°F 1954 | 34% | 0% |
| Jul 9 | 81°F | 65°F | 103°F 1936 | 49°F 1953 | 34% | 0% |
| Jul 10 | 81°F | 65°F | 102°F 1936 | 50°F 1953 | 33% | 0% |
| Jul 11 | 81°F | 65°F | 100°F 1936 | 50°F 1954 | 33% | 0% |
| Jul 12 | 82°F | 65°F | 94°F 1972 | 39°F 1945 | 33% | 0% |
| Jul 13 | 82°F | 65°F | 97°F 1936 | 44°F 1940 | 33% | 0% |
| Jul 14 | 82°F | 65°F | 102°F 1936 | 42°F 1950 | 33% | 0% |
| Jul 15 | 82°F | 66°F | 100°F 1977 | 47°F 1950 | 33% | 0% |
| Jul 16 | 82°F | 66°F | 96°F 1988 | 40°F 1945 | 33% | 0% |
| Jul 17 | 82°F | 66°F | 100°F 2012 | 44°F 1945 | 33% | 0% |
| Jul 18 | 82°F | 66°F | 97°F 1986 | 51°F 1940 | 33% | 0% |
| Jul 19 | 82°F | 66°F | 95°F 1935 | 51°F 1937 | 33% | 0% |
| Jul 20 | 82°F | 66°F | 98°F 1977 | 45°F 1941 | 33% | 0% |
| Jul 21 | 82°F | 66°F | 99°F 2011 | 49°F 1950 | 33% | 0% |
| Jul 22 | 82°F | 66°F | 95°F 1940 | 51°F 1992 | 33% | 0% |
| Jul 23 | 82°F | 66°F | 97°F 1933 | 47°F 1985 | 33% | 0% |
| Jul 24 | 82°F | 66°F | 100°F 1934 | 48°F 1954 | 33% | 0% |
| Jul 25 | 82°F | 66°F | 100°F 1934 | 45°F 1953 | 33% | 0% |
| Jul 26 | 81°F | 66°F | 95°F 1941 | 43°F 1991 | 33% | 0% |
| Jul 27 | 81°F | 66°F | 96°F 1955 | 50°F 1962 | 33% | 0% |
| Jul 28 | 81°F | 66°F | 97°F 1941 | 50°F 1978 | 33% | 0% |
| Jul 29 | 81°F | 66°F | 96°F 1940 | 50°F 1952 | 34% | 0% |
| Jul 30 | 81°F | 66°F | 96°F 1933 | 49°F 1943 | 34% | 0% |
| Jul 31 | 81°F | 66°F | 102°F 1975 | 49°F 1943 | 34% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- July 1
- sunrise 5:55 AM, sunset 9:12 PM
- July 31
- sunrise 6:20 AM, sunset 8:52 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00206680 (Port Huron), public domain. Records: NOAA GHCN-Daily, station USC00206680, 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.