United States · 1991–2020 normal
Chatham in
July.
Typical July weather in Chatham: 30.5°C by day, 18.2°C at night, 119 mm of rain over 9.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high30.5°C
Typical low18.2°C
Rain119 mm
Wet days9.2
Comfort score 56 this month (September leads the year at 75). Daylight is calculated as 14 h 49 from latitude 40.74°. Open-water sea temperature is 22.2°C (45 km from the place centre).
Event window
Warm sea in July
The nearest open-water NOAA OISST 1991–2020 cell averages 22.2°C in July. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5096495
- NOAA station
- USC00281335 · CANOE BROOK
- Station distance
- 2.5 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.