Chatham climate

Chatham Weather in July

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 26°C on July 1 to 27°C on July 31, and lows from 17°C to 18°C. Normal precipitation for the month is 68 mm over about 16 wet days.

July 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.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
27°C
Average low
18°C
Precipitation
68 mm
Reanalysis high
35°CJul 14, 1995
Reanalysis low
9°CJul 2, 2001
Daylight
15 h 14 min to 14 h 29 min
Cloud cover
57%
Humidity
71%
Dew point
17°C
Wind
14.4 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
Jul 126°C17°C31°C 202010°C 200145%
Jul 226°C17°C32°C 20209°C 200146%
Jul 326°C17°C32°C 202012°C 201546%
Jul 426°C17°C33°C 202011°C 199644%
Jul 526°C17°C33°C 202011°C 199742%
Jul 626°C17°C33°C 202011°C 200142%
Jul 727°C17°C34°C 202012°C 200042%
Jul 827°C17°C33°C 201012°C 199542%
Jul 927°C17°C33°C 202013°C 199643%
Jul 1027°C18°C31°C 200511°C 199644%
Jul 1127°C18°C32°C 200512°C 199945%
Jul 1227°C18°C31°C 200512°C 200145%
Jul 1327°C18°C31°C 200511°C 200147%
Jul 1427°C18°C35°C 199512°C 200149%
Jul 1527°C18°C32°C 199813°C 199150%
Jul 1627°C18°C33°C 200613°C 201450%
Jul 1727°C18°C34°C 201214°C 201451%
Jul 1827°C18°C31°C 201114°C 200351%
Jul 1927°C18°C32°C 201113°C 200352%
Jul 2027°C18°C33°C 199111°C 199653%
Jul 2127°C18°C33°C 201111°C 199254%
Jul 2227°C18°C32°C 201610°C 199254%
Jul 2327°C18°C33°C 201613°C 199255%
Jul 2427°C18°C32°C 200113°C 200455%
Jul 2527°C18°C33°C 200514°C 201355%
Jul 2627°C18°C32°C 200515°C 199454%
Jul 2727°C18°C32°C 202013°C 199253%
Jul 2827°C18°C31°C 199311°C 199253%
Jul 2927°C18°C30°C 199512°C 201452%
Jul 3027°C18°C32°C 199912°C 199250%
Jul 3127°C18°C33°C 200712°C 199248%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Chatham, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

July 1
sunrise 5:56 AM, sunset 9:10 PM
July 31
sunrise 6:20 AM, sunset 8:49 PM

Every day of July: 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.