Graaff Reinet climate

Graaff Reinet Weather in May

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

Average highs run from 24°C on May 1 to 20°C on May 31, and lows from 9°C to 7°C. Normal precipitation for the month is 22 mm over about 3 wet days.

May day by day

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

Normal daily high and low temperature at Graaff Reinet, in °C, with the record for each date.-10010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
22°C
Average low
9°C
Precipitation
22 mm
Reanalysis high
32°CMay 1, 1998
Reanalysis low
-1°CMay 31, 2002
Daylight
10 h 50 min to 10 h 11 min
Cloud cover
41%
Humidity
54%
Dew point
4°C
Wind
15.5 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
May 124°C9°C32°C 19983°C 201618%
May 224°C9°C31°C 20193°C 200017%
May 324°C9°C32°C 20142°C 200016%
May 424°C9°C30°C 20143°C 200016%
May 524°C9°C31°C 20071°C 200015%
May 624°C9°C32°C 20073°C 200115%
May 724°C9°C29°C 20072°C 200615%
May 823°C9°C31°C 20122°C 200615%
May 923°C9°C30°C 20125°C 200615%
May 1023°C9°C30°C 20054°C 201313%
May 1123°C9°C30°C 20052°C 201312%
May 1223°C9°C32°C 20194°C 199812%
May 1323°C9°C30°C 20074°C 200012%
May 1423°C9°C30°C 19943°C 201712%
May 1523°C9°C29°C 19944°C 199811%
May 1623°C9°C28°C 20034°C 199810%
May 1723°C9°C29°C 20196°C 201310%
May 1823°C9°C29°C 20084°C 201310%
May 1923°C9°C30°C 20192°C 201211%
May 2022°C9°C30°C 20151°C 201211%
May 2122°C8°C29°C 20052°C 200711%
May 2222°C8°C28°C 20151°C 199511%
May 2322°C8°C28°C 20150°C 199410%
May 2422°C8°C27°C 20131°C 200711%
May 2521°C8°C29°C 20192°C 200611%
May 2621°C7°C28°C 20193°C 199611%
May 2721°C7°C27°C 19981°C 202011%
May 2821°C7°C28°C 20011°C 199110%
May 2920°C7°C27°C 20151°C 200610%
May 3020°C7°C27°C 20190°C 199710%
May 3120°C7°C27°C 2020-1°C 200211%

Chance of rain

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

Sunrise and sunset

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

May 1
sunrise 6:54 AM, sunset 5:44 PM
May 31
sunrise 7:14 AM, sunset 5:25 PM

Every day of May: 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.