Grahamstown Weather in April
Average highs run from 26°C on April 1 to 23°C on April 30, and lows from 16°C to 13°C. Normal precipitation for the month is 48 mm over about 9 wet days.
April day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
April at a glance
- Average high
- 25°C
- Average low
- 14°C
- Precipitation
- 48 mm
- Reanalysis high
- 38°CApr 13, 2010
- Reanalysis low
- 7°CApr 28, 2000
- Daylight
- 11 h 43 min to 10 h 48 min
- Cloud cover
- 55%
- Humidity
- 72%
- Dew point
- 13°C
- Wind
- 16.2 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 26°C | 16°C | 36°C 1999 | 11°C 2012 | 34% |
| Apr 2 | 26°C | 16°C | 33°C 2003 | 11°C 1992 | 34% |
| Apr 3 | 26°C | 16°C | 37°C 2002 | 12°C 2014 | 34% |
| Apr 4 | 26°C | 15°C | 37°C 1991 | 10°C 2013 | 33% |
| Apr 5 | 26°C | 15°C | 35°C 2009 | 11°C 2014 | 33% |
| Apr 6 | 26°C | 15°C | 35°C 2006 | 11°C 2000 | 32% |
| Apr 7 | 26°C | 15°C | 36°C 1995 | 11°C 2000 | 32% |
| Apr 8 | 26°C | 15°C | 35°C 2002 | 10°C 1991 | 30% |
| Apr 9 | 26°C | 15°C | 36°C 1992 | 10°C 2012 | 29% |
| Apr 10 | 26°C | 15°C | 33°C 2007 | 11°C 2012 | 28% |
| Apr 11 | 25°C | 15°C | 34°C 2003 | 11°C 2010 | 27% |
| Apr 12 | 25°C | 15°C | 35°C 2019 | 9°C 2013 | 27% |
| Apr 13 | 25°C | 15°C | 38°C 2010 | 9°C 2007 | 26% |
| Apr 14 | 25°C | 14°C | 35°C 2010 | 10°C 1993 | 27% |
| Apr 15 | 25°C | 14°C | 36°C 2016 | 9°C 2001 | 27% |
| Apr 16 | 25°C | 14°C | 33°C 1993 | 10°C 2015 | 27% |
| Apr 17 | 25°C | 14°C | 29°C 2009 | 8°C 1995 | 26% |
| Apr 18 | 25°C | 14°C | 34°C 1998 | 10°C 1995 | 26% |
| Apr 19 | 25°C | 14°C | 36°C 1991 | 11°C 2006 | 25% |
| Apr 20 | 24°C | 14°C | 34°C 1991 | 10°C 1996 | 26% |
| Apr 21 | 24°C | 14°C | 33°C 1998 | 10°C 2010 | 26% |
| Apr 22 | 24°C | 14°C | 35°C 1993 | 9°C 2008 | 25% |
| Apr 23 | 24°C | 14°C | 34°C 1991 | 9°C 2011 | 25% |
| Apr 24 | 24°C | 14°C | 33°C 2004 | 8°C 2012 | 24% |
| Apr 25 | 24°C | 14°C | 30°C 2013 | 9°C 2006 | 22% |
| Apr 26 | 24°C | 13°C | 35°C 1991 | 9°C 2001 | 22% |
| Apr 27 | 24°C | 13°C | 32°C 1994 | 9°C 2011 | 21% |
| Apr 28 | 24°C | 13°C | 34°C 2002 | 7°C 2000 | 20% |
| Apr 29 | 24°C | 13°C | 35°C 2019 | 7°C 2011 | 19% |
| Apr 30 | 23°C | 13°C | 33°C 2019 | 8°C 1997 | 18% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- April 1
- sunrise 6:26 AM, sunset 6:09 PM
- April 30
- sunrise 6:47 AM, sunset 5:35 PM
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.