Chatham climate

Chatham Weather in January

NASA POWER reanalysis for the half-degree grid cell around Chatham, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 0°C on January 1 to -1°C on January 31, and lows from -5°C to -7°C. Normal precipitation for the month is 43 mm over about 12 wet days.

January day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Chatham, in °C, with the record for each date.-30-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
-1°C
Average low
-7°C
Precipitation
43 mm
Reanalysis high
13°CJan 8, 2008
Reanalysis low
-23°CJan 19, 1994
Daylight
9 h 09 min to 9 h 59 min
Cloud cover
78%
Humidity
86%
Dew point
-6°C
Wind
23.4 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jan 10°C-5°C8°C 2007-18°C 201838%
Jan 20°C-5°C10°C 2000-15°C 201838%
Jan 30°C-5°C11°C 2004-15°C 201838%
Jan 40°C-5°C11°C 1997-17°C 201839%
Jan 50°C-5°C11°C 1997-20°C 201841%
Jan 60°C-5°C12°C 1998-22°C 201442%
Jan 70°C-6°C12°C 2008-22°C 201441%
Jan 80°C-6°C13°C 2008-16°C 201442%
Jan 90°C-6°C11°C 2008-18°C 201442%
Jan 100°C-6°C7°C 2020-18°C 199942%
Jan 11-1°C-6°C11°C 2020-16°C 199942%
Jan 12-1°C-6°C9°C 2005-12°C 199940%
Jan 13-1°C-7°C12°C 2005-20°C 199938%
Jan 14-1°C-7°C12°C 1995-18°C 199937%
Jan 15-1°C-7°C9°C 1995-19°C 199437%
Jan 16-1°C-7°C4°C 2012-21°C 199437%
Jan 17-1°C-7°C10°C 2012-17°C 199737%
Jan 18-1°C-7°C10°C 1996-22°C 199436%
Jan 19-1°C-7°C9°C 1996-23°C 199434%
Jan 20-2°C-8°C8°C 2006-20°C 200134%
Jan 21-2°C-8°C8°C 2017-17°C 200532%
Jan 22-2°C-8°C7°C 2017-17°C 201131%
Jan 23-1°C-8°C11°C 1999-18°C 201432%
Jan 24-1°C-8°C4°C 2010-19°C 201430%
Jan 25-1°C-8°C6°C 2017-16°C 199130%
Jan 26-1°C-8°C7°C 2002-17°C 201430%
Jan 27-1°C-8°C8°C 2002-20°C 201429%
Jan 28-1°C-7°C9°C 2002-22°C 201430%
Jan 29-1°C-7°C10°C 2006-19°C 201430%
Jan 30-1°C-7°C12°C 2013-21°C 201930%
Jan 31-1°C-7°C8°C 2012-19°C 201930%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Chatham, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:58 AM, sunset 5:07 PM
January 31
sunrise 7:43 AM, sunset 5:42 PM

Every day of January: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.