Grootfontein climate

Grootfontein Weather in May

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

Average highs run from 29°C on May 1 to 26°C on May 31, and lows from 13°C to 9°C. Normal precipitation for the month is 3 mm over about 0 wet days.

May day by day

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

Normal daily high and low temperature at Grootfontein, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
28°C
Average low
11°C
Precipitation
3 mm
Reanalysis high
33°CMay 8, 1998
Reanalysis low
2°CMay 30, 1997
Daylight
11 h 23 min to 11 h 02 min
Cloud cover
23%
Humidity
37%
Dew point
1°C
Wind
13.3 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 129°C13°C31°C 19989°C 20076%
May 229°C13°C32°C 19989°C 20135%
May 329°C13°C32°C 19989°C 20134%
May 429°C12°C32°C 19987°C 20083%
May 529°C12°C32°C 19988°C 20133%
May 629°C12°C32°C 19989°C 20182%
May 729°C12°C33°C 19989°C 20182%
May 829°C12°C33°C 19988°C 20012%
May 928°C12°C33°C 19988°C 20011%
May 1028°C11°C31°C 20197°C 20011%
May 1128°C11°C31°C 19988°C 20022%
May 1228°C11°C31°C 19987°C 20022%
May 1328°C11°C31°C 19987°C 19912%
May 1428°C11°C31°C 19987°C 19912%
May 1528°C11°C31°C 20077°C 19971%
May 1627°C10°C31°C 20077°C 20171%
May 1727°C10°C31°C 20077°C 19931%
May 1827°C10°C30°C 20077°C 20011%
May 1927°C10°C31°C 20077°C 20012%
May 2027°C10°C30°C 20077°C 20002%
May 2127°C10°C29°C 19914°C 20062%
May 2227°C10°C29°C 19913°C 20062%
May 2327°C10°C30°C 20022°C 20062%
May 2427°C10°C30°C 20022°C 20062%
May 2527°C9°C30°C 20023°C 20062%
May 2627°C9°C30°C 20023°C 19971%
May 2727°C9°C30°C 20023°C 19971%
May 2826°C9°C30°C 20054°C 19971%
May 2926°C9°C30°C 20054°C 19971%
May 3026°C9°C29°C 20052°C 19971%
May 3126°C9°C29°C 20052°C 19971%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Grootfontein, in percent.02461102030
  • Chance of a wet day

Sunrise and sunset

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

May 1
sunrise 7:03 AM, sunset 6:26 PM
May 31
sunrise 7:14 AM, sunset 6:16 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.