Stonington Weather in July
Average highs run from 79°F on July 1 to 81°F on July 31, and lows from 64°F to 67°F. Normal precipitation for the month is 3.42 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
- 66°F
- Precipitation
- 3.42 in
- Record high
- 100°FJul 7, 2010
- Record low
- 47°FJul 12, 2002
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.8
- Daylight
- 15 h 07 min to 14 h 24 min
- Cloud cover
- 56%
- Humidity
- 76%
- Dew point
- 63°F
- Wind
- 4.7 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 | 79°F | 64°F | 92°F 2018 | 53°F 2007 | 30% | 0% |
| Jul 2 | 80°F | 64°F | 89°F 2026 | 52°F 2007 | 30% | 0% |
| Jul 3 | 80°F | 65°F | 91°F 2026 | 49°F 2001 | 30% | 0% |
| Jul 4 | 80°F | 65°F | 91°F 2002 | 54°F 2005 | 30% | 0% |
| Jul 5 | 80°F | 65°F | 95°F 2010 | 54°F 2005 | 30% | 0% |
| Jul 6 | 80°F | 65°F | 89°F 2016 | 53°F 2000 | 30% | 0% |
| Jul 7 | 80°F | 65°F | 100°F 2010 | 51°F 2001 | 30% | 0% |
| Jul 8 | 81°F | 65°F | 88°F 2012 | 52°F 2018 | 30% | 0% |
| Jul 9 | 81°F | 66°F | 93°F 2020 | 54°F 2009 | 30% | 0% |
| Jul 10 | 81°F | 66°F | 90°F 2005 | 50°F 2009 | 30% | 0% |
| Jul 11 | 81°F | 66°F | 87°F 2015 | 49°F 2009 | 30% | 0% |
| Jul 12 | 81°F | 66°F | 91°F 2011 | 47°F 2002 | 30% | 0% |
| Jul 13 | 81°F | 66°F | 89°F 2022 | 52°F 2001 | 30% | 0% |
| Jul 14 | 81°F | 66°F | 92°F 2020 | 54°F 2009 | 30% | 0% |
| Jul 15 | 81°F | 66°F | 93°F 2013 | 56°F 2009 | 30% | 0% |
| Jul 16 | 81°F | 66°F | 94°F 2013 | 57°F 2015 | 30% | 0% |
| Jul 17 | 81°F | 66°F | 91°F 2006 | 53°F 2015 | 30% | 0% |
| Jul 18 | 81°F | 66°F | 92°F 2013 | 59°F 2014 | 31% | 0% |
| Jul 19 | 81°F | 66°F | 91°F 2013 | 56°F 2000 | 31% | 0% |
| Jul 20 | 81°F | 67°F | 92°F 2019 | 54°F 2000 | 31% | 0% |
| Jul 21 | 81°F | 67°F | 93°F 2019 | 50°F 2000 | 31% | 0% |
| Jul 22 | 81°F | 67°F | 94°F 2011 | 55°F 2012 | 31% | 0% |
| Jul 23 | 81°F | 67°F | 92°F 2016 | 55°F 2025 | 32% | 0% |
| Jul 24 | 81°F | 67°F | 91°F 2012 | 54°F 2002 | 32% | 0% |
| Jul 25 | 81°F | 67°F | 88°F 2010 | 50°F 2002 | 32% | 0% |
| Jul 26 | 81°F | 67°F | 91°F 2016 | 51°F 2002 | 32% | 0% |
| Jul 27 | 81°F | 67°F | 91°F 2020 | 52°F 2001 | 32% | 0% |
| Jul 28 | 81°F | 67°F | 92°F 2020 | 50°F 2001 | 32% | 0% |
| Jul 29 | 81°F | 67°F | 91°F 2025 | 55°F 2021 | 32% | 0% |
| Jul 30 | 81°F | 67°F | 92°F 2002 | 54°F 2001 | 32% | 0% |
| Jul 31 | 81°F | 67°F | 90°F 2002 | 52°F 2021 | 32% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- July 1
- sunrise 5:18 AM, sunset 8:25 PM
- July 31
- sunrise 5:42 AM, sunset 8:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00063207 (Groton), public domain. Records: NOAA GHCN-Daily, station USW00014794, 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.