Grahamstown climate

Grahamstown Weather in July

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

Average highs run from 20°C on July 1 to 21°C on July 31, and lows from 9°C to 10°C. Normal precipitation for the month is 28 mm over about 3 wet days.

July day by day

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

Normal daily high and low temperature at Grahamstown, 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
20°C
Average low
10°C
Precipitation
28 mm
Reanalysis high
32°CJul 29, 2019
Reanalysis low
3°CJul 3, 2016
Daylight
9 h 59 min to 10 h 29 min
Cloud cover
45%
Humidity
64%
Dew point
6°C
Wind
18.7 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 120°C9°C29°C 20145°C 199412%
Jul 220°C9°C27°C 20145°C 201112%
Jul 320°C9°C27°C 20143°C 201612%
Jul 420°C9°C28°C 20146°C 201812%
Jul 520°C9°C27°C 20175°C 201212%
Jul 620°C9°C29°C 20174°C 200312%
Jul 720°C10°C29°C 20175°C 199713%
Jul 820°C10°C28°C 20175°C 201412%
Jul 920°C9°C27°C 20105°C 201412%
Jul 1020°C10°C26°C 20067°C 199612%
Jul 1120°C10°C29°C 20196°C 201713%
Jul 1220°C10°C27°C 20186°C 200312%
Jul 1320°C10°C27°C 19925°C 201013%
Jul 1420°C10°C28°C 20195°C 201513%
Jul 1520°C10°C28°C 19986°C 202014%
Jul 1620°C10°C28°C 20194°C 201815%
Jul 1720°C10°C27°C 19925°C 201716%
Jul 1820°C10°C28°C 20086°C 199516%
Jul 1920°C10°C28°C 19915°C 199517%
Jul 2020°C10°C28°C 19926°C 199517%
Jul 2120°C9°C28°C 19995°C 201917%
Jul 2220°C10°C28°C 20084°C 200616%
Jul 2320°C10°C30°C 20074°C 200617%
Jul 2420°C10°C28°C 20186°C 199517%
Jul 2521°C10°C29°C 19915°C 201316%
Jul 2621°C10°C27°C 20065°C 199716%
Jul 2721°C10°C29°C 20196°C 201517%
Jul 2821°C10°C31°C 20195°C 201517%
Jul 2921°C10°C32°C 20196°C 199119%
Jul 3021°C10°C29°C 20034°C 201218%
Jul 3121°C10°C29°C 20105°C 200218%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Grahamstown, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

July 1
sunrise 7:18 AM, sunset 5:17 PM
July 31
sunrise 7:06 AM, sunset 5:35 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.