United States · 1991–2020 normal
Hyannis in
January.
Typical January weather in Hyannis: 4°C by day, -5.1°C at night, 101 mm of rain over 8.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4°C
Typical low-5.1°C
Rain101 mm
Wet days8.9
Comfort score 5 this month (June leads the year at 83). Daylight is calculated as 9 h 28 from latitude 41.65°. Open-water sea temperature is 4.3°C (8 km from the place centre).
Event window
Frost-level nights in January
The measured night-time normal is -5.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4940190
- NOAA station
- USC00193821 · HYANNIS
- Station distance
- 2.2 km from the place centre
- Coverage
- Strong coverage · 26 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.