Chatham climate

Chatham Weather in March

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 2°C on March 1 to 9°C on March 31, and lows from -5°C to 0°C. Normal precipitation for the month is 43 mm over about 9 wet days.

March 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.-30-20-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

March at a glance

Average high
5°C
Average low
-3°C
Precipitation
43 mm
Reanalysis high
25°CMar 22, 2012
Reanalysis low
-20°CMar 7, 1999
Daylight
11 h 15 min to 12 h 41 min
Cloud cover
75%
Humidity
79%
Dew point
-3°C
Wind
20.9 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
Mar 12°C-5°C14°C 2017-11°C 201534%
Mar 22°C-5°C13°C 1991-15°C 200336%
Mar 32°C-5°C12°C 2008-18°C 200338%
Mar 43°C-5°C9°C 2004-16°C 201437%
Mar 53°C-5°C16°C 2004-16°C 201537%
Mar 63°C-5°C15°C 2009-19°C 201537%
Mar 73°C-5°C18°C 2000-20°C 199938%
Mar 83°C-4°C19°C 2000-18°C 199937%
Mar 94°C-4°C16°C 2000-14°C 200336%
Mar 104°C-4°C13°C 2013-14°C 200335%
Mar 114°C-4°C13°C 2012-13°C 200335%
Mar 125°C-4°C14°C 2006-11°C 201434%
Mar 135°C-4°C17°C 2007-12°C 201435%
Mar 145°C-3°C19°C 1995-11°C 199334%
Mar 155°C-3°C19°C 1995-14°C 199334%
Mar 165°C-3°C21°C 2012-10°C 201433%
Mar 175°C-3°C19°C 2012-14°C 201431%
Mar 186°C-3°C19°C 2012-11°C 199331%
Mar 196°C-3°C19°C 2012-11°C 199331%
Mar 206°C-2°C18°C 2012-7°C 201332%
Mar 216°C-2°C23°C 2012-9°C 201332%
Mar 227°C-2°C25°C 2012-8°C 201532%
Mar 237°C-2°C17°C 2012-9°C 201432%
Mar 247°C-1°C18°C 2017-8°C 201133%
Mar 257°C-1°C16°C 2000-8°C 201135%
Mar 268°C-1°C20°C 2007-12°C 201436%
Mar 278°C-1°C20°C 2007-10°C 199636%
Mar 288°C-1°C18°C 1998-10°C 201536%
Mar 298°C-1°C17°C 1998-8°C 201536%
Mar 308°C-1°C21°C 1998-6°C 200337%
Mar 319°C0°C21°C 1998-5°C 200338%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Chatham, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

March 1
sunrise 7:04 AM, sunset 6:19 PM
March 31
sunrise 7:13 AM, sunset 7:54 PM

Every day of March: 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.