Hyannis Weather in July
Average highs run from 83°F on July 1 to 85°F on July 31, and lows from 58°F to 61°F. Normal precipitation for the month is 3.34 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
- 85°F
- Average low
- 60°F
- Precipitation
- 3.34 in
- Record high
- 109°FJul 16, 2006
- Record low
- 36°FJul 4, 1997
- Chance of a freeze
- 0%
- Days of 90°F or more
- 9.7
- Daylight
- 15 h 11 min to 14 h 27 min
- Cloud cover
- 47%
- Humidity
- 54%
- Dew point
- 55°F
- Wind
- 9.8 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 | 83°F | 58°F | 100°F 2012 | 43°F 2017 | 34% |
| Jul 2 | 83°F | 58°F | 100°F 2012 | 39°F 2014 | 33% |
| Jul 3 | 83°F | 59°F | 101°F 1996 | 43°F 1997 | 33% |
| Jul 4 | 83°F | 59°F | 99°F 1999 | 36°F 1997 | 33% |
| Jul 5 | 84°F | 59°F | 101°F 2008 | 45°F 2024 | 32% |
| Jul 6 | 84°F | 59°F | 99°F 2000 | 48°F 2003 | 32% |
| Jul 7 | 84°F | 59°F | 102°F 2007 | 44°F 2024 | 32% |
| Jul 8 | 84°F | 60°F | 102°F 2021 | 41°F 2024 | 31% |
| Jul 9 | 84°F | 60°F | 102°F 2017 | 48°F 2023 | 31% |
| Jul 10 | 85°F | 60°F | 101°F 2020 | 41°F 1999 | 30% |
| Jul 11 | 85°F | 60°F | 98°F 2017 | 45°F 2016 | 30% |
| Jul 12 | 85°F | 60°F | 97°F 2020 | 39°F 2016 | 30% |
| Jul 13 | 85°F | 60°F | 103°F 1999 | 38°F 2008 | 29% |
| Jul 14 | 85°F | 60°F | 102°F 2006 | 46°F 2008 | 29% |
| Jul 15 | 85°F | 61°F | 107°F 2006 | 44°F 2014 | 29% |
| Jul 16 | 85°F | 61°F | 109°F 2006 | 48°F 2014 | 29% |
| Jul 17 | 85°F | 61°F | 106°F 2003 | 49°F 2005 | 29% |
| Jul 18 | 85°F | 61°F | 105°F 2022 | 45°F 2005 | 28% |
| Jul 19 | 85°F | 61°F | 104°F 2012 | 51°F 2015 | 28% |
| Jul 20 | 85°F | 61°F | 104°F 2005 | 46°F 2022 | 28% |
| Jul 21 | 85°F | 61°F | 105°F 2012 | 44°F 2009 | 28% |
| Jul 22 | 85°F | 61°F | 103°F 2007 | 49°F 2000 | 28% |
| Jul 23 | 85°F | 61°F | 107°F 2005 | 49°F 2024 | 28% |
| Jul 24 | 85°F | 61°F | 105°F 2014 | 50°F 2004 | 28% |
| Jul 25 | 85°F | 61°F | 108°F 2026 | 45°F 2004 | 28% |
| Jul 26 | 85°F | 61°F | 106°F 2026 | 43°F 2005 | 28% |
| Jul 27 | 85°F | 61°F | 100°F 2008 | 40°F 2005 | 28% |
| Jul 28 | 85°F | 61°F | 103°F 2021 | 46°F 2015 | 28% |
| Jul 29 | 85°F | 61°F | 102°F 2006 | 41°F 2015 | 28% |
| Jul 30 | 85°F | 61°F | 103°F 2001 | 40°F 2009 | 28% |
| Jul 31 | 85°F | 61°F | 106°F 2002 | 46°F 2009 | 27% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MDT).
- July 1
- sunrise 5:15 AM, sunset 8:26 PM
- July 31
- sunrise 5:40 AM, sunset 8:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094079 (Whitman 5 Ene), public domain. Records: NOAA GHCN-Daily, station USW00024044, 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.