Somerville Weather in July
Average highs run from 95°F on July 1 to 98°F on July 31, and lows from 70°F to 71°F. Normal precipitation for the month is 1.88 in over about 5 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
- 97°F
- Average low
- 70°F
- Precipitation
- 1.88 in
- Record high
- 109°FJul 11, 1917
- Record low
- 58°FJul 16, 1967
- Chance of a freeze
- 0%
- Days of 90°F or more
- 29.2
- Daylight
- 14 h 04 min to 13 h 37 min
- Cloud cover
- 44%
- Humidity
- 68%
- Dew point
- 71°F
- Wind
- 7.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 95°F | 70°F | 102°F 1980 | 64°F 1985 | 23% |
| Jul 2 | 95°F | 70°F | 104°F 1980 | 63°F 1924 | 22% |
| Jul 3 | 95°F | 70°F | 104°F 1980 | 64°F 1924 | 22% |
| Jul 4 | 95°F | 70°F | 101°F 1967 | 65°F 1947 | 22% |
| Jul 5 | 95°F | 70°F | 103°F 2009 | 63°F 1924 | 21% |
| Jul 6 | 95°F | 70°F | 104°F 2009 | 62°F 1968 | 21% |
| Jul 7 | 96°F | 70°F | 102°F 1967 | 62°F 1958 | 21% |
| Jul 8 | 96°F | 70°F | 103°F 1956 | 65°F 1968 | 20% |
| Jul 9 | 96°F | 70°F | 104°F 1956 | 67°F 1927 | 20% |
| Jul 10 | 96°F | 70°F | 106°F 1917 | 64°F 1905 | 20% |
| Jul 11 | 96°F | 70°F | 109°F 1917 | 63°F 1905 | 19% |
| Jul 12 | 96°F | 70°F | 105°F 1954 | 68°F 1905 | 19% |
| Jul 13 | 96°F | 70°F | 108°F 1954 | 68°F 1975 | 19% |
| Jul 14 | 96°F | 70°F | 104°F 2000 | 65°F 1990 | 18% |
| Jul 15 | 96°F | 70°F | 105°F 1925 | 60°F 1967 | 18% |
| Jul 16 | 97°F | 71°F | 105°F 1969 | 58°F 1967 | 18% |
| Jul 17 | 97°F | 71°F | 107°F 1932 | 58°F 1967 | 18% |
| Jul 18 | 97°F | 71°F | 106°F 1980 | 64°F 1967 | 18% |
| Jul 19 | 97°F | 71°F | 104°F 1927 | 68°F 1926 | 17% |
| Jul 20 | 97°F | 71°F | 105°F 1951 | 68°F 1907 | 17% |
| Jul 21 | 97°F | 71°F | 105°F 2000 | 65°F 1989 | 17% |
| Jul 22 | 97°F | 71°F | 104°F 2000 | 68°F 1915 | 17% |
| Jul 23 | 98°F | 71°F | 103°F 1956 | 65°F 1915 | 17% |
| Jul 24 | 98°F | 71°F | 105°F 1934 | 66°F 1915 | 17% |
| Jul 25 | 98°F | 71°F | 106°F 1954 | 64°F 2019 | 17% |
| Jul 26 | 98°F | 71°F | 104°F 1964 | 64°F 2019 | 16% |
| Jul 27 | 98°F | 71°F | 108°F 1954 | 64°F 2019 | 16% |
| Jul 28 | 98°F | 71°F | 105°F 1995 | 66°F 1994 | 16% |
| Jul 29 | 98°F | 71°F | 104°F 1982 | 65°F 1994 | 17% |
| Jul 30 | 98°F | 71°F | 104°F 1925 | 68°F 1903 | 17% |
| Jul 31 | 98°F | 71°F | 103°F 1932 | 67°F 1936 | 17% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- July 1
- sunrise 6:28 AM, sunset 8:32 PM
- July 31
- sunrise 6:44 AM, sunset 8:21 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00418446 (Somerville Dam), public domain. Records: NOAA GHCN-Daily, station USC00411048, 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.