Hyannis Weather in January
Average highs run from 36°F on January 1 to 37°F on January 31, and lows from 16°F to 16°F. Normal precipitation for the month is 0.33 in over about 4 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 36°F
- Average low
- 16°F
- Precipitation
- 0.33 in
- Record high
- 71°FJan 27, 2015
- Record low
- -29°FJan 5, 2004
- Chance of a freeze
- 100%
- Daylight
- 9 h 11 min to 10 h 00 min
- Cloud cover
- 63%
- Humidity
- 69%
- Dew point
- 17°F
- Wind
- 12.8 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 |
|---|---|---|---|---|---|
| Jan 1 | 36°F | 16°F | 63°F 2026 | -19°F 2018 | 15% |
| Jan 2 | 36°F | 16°F | 70°F 1997 | -20°F 2018 | 15% |
| Jan 3 | 36°F | 16°F | 63°F 2003 | -7°F 2015 | 14% |
| Jan 4 | 36°F | 16°F | 64°F 2026 | -19°F 2015 | 14% |
| Jan 5 | 36°F | 16°F | 67°F 2012 | -29°F 2004 | 14% |
| Jan 6 | 36°F | 16°F | 62°F 2006 | -29°F 2004 | 14% |
| Jan 7 | 36°F | 16°F | 67°F 2006 | -19°F 2010 | 14% |
| Jan 8 | 36°F | 16°F | 64°F 2009 | -20°F 2010 | 14% |
| Jan 9 | 36°F | 16°F | 57°F 2001 | -8°F 2010 | 14% |
| Jan 10 | 36°F | 16°F | 58°F 2019 | -16°F 1997 | 14% |
| Jan 11 | 36°F | 16°F | 60°F 2026 | -19°F 1997 | 14% |
| Jan 12 | 36°F | 16°F | 61°F 2026 | -20°F 2011 | 14% |
| Jan 13 | 36°F | 16°F | 59°F 2003 | -21°F 2024 | 14% |
| Jan 14 | 36°F | 16°F | 64°F 2006 | -23°F 2024 | 14% |
| Jan 15 | 36°F | 16°F | 64°F 2000 | -19°F 2024 | 15% |
| Jan 16 | 37°F | 16°F | 55°F 2010 | -21°F 2018 | 15% |
| Jan 17 | 37°F | 16°F | 57°F 2000 | -16°F 2012 | 15% |
| Jan 18 | 37°F | 16°F | 58°F 1999 | -8°F 2008 | 15% |
| Jan 19 | 37°F | 16°F | 64°F 1997 | -17°F 2025 | 15% |
| Jan 20 | 37°F | 16°F | 67°F 2009 | -22°F 2025 | 15% |
| Jan 21 | 37°F | 16°F | 67°F 2009 | -19°F 2025 | 15% |
| Jan 22 | 37°F | 16°F | 64°F 2009 | -14°F 2008 | 15% |
| Jan 23 | 37°F | 16°F | 63°F 2005 | -14°F 2026 | 15% |
| Jan 24 | 37°F | 16°F | 65°F 2005 | -26°F 2026 | 15% |
| Jan 25 | 37°F | 16°F | 63°F 2006 | -25°F 2026 | 15% |
| Jan 26 | 37°F | 16°F | 65°F 2002 | -25°F 2009 | 16% |
| Jan 27 | 37°F | 16°F | 71°F 2015 | -29°F 2009 | 16% |
| Jan 28 | 37°F | 16°F | 58°F 2011 | -8°F 2023 | 16% |
| Jan 29 | 37°F | 16°F | 61°F 2021 | -3°F 2023 | 16% |
| Jan 30 | 37°F | 16°F | 61°F 2024 | -23°F 2023 | 16% |
| Jan 31 | 37°F | 16°F | 65°F 2024 | -22°F 2023 | 17% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:15 AM, sunset 4:26 PM
- January 31
- sunrise 7:01 AM, sunset 5:01 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.