Climate averages 1991–2020
Grahamstown weather
in April.
A warm, moderately wet month: the 6th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Grahamstown: daytime highs average 23.6°C and nights cool to about 12.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 49 mm of rain on roughly 8 days, which makes April a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 17 min on an average April day.
The nearest other city in this atlas is Qonce (93 km away). In April its highs average 23.8°C, about as warm as Grahamstown, with 67 mm of rain.
Among the 95 cities listed in South Africa, Grahamstown ranks joint 37th of 95 for the warmest April highs and 71st of 95 for the driest April (rainfall, lowest first). The mean April high of those 95 cities is 23.1°C; Grahamstown is 0.5°C warmer than that mean.
From April to May, average highs fall by 1.7°C to 21.9°C, and monthly rainfall falls from 49 mm to 22 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Grahamstown climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.8°C16.1°C | 16.1°C | 63 | 9.2 | 14.114 h |
| February | 27.0°C16.5°C | 16.5°C | 64 | 9.9 | 13.313 h |
| March | 25.9°C15.3°C | 15.3°C | 59 | 8.7 | 12.312 h |
| April, selected | 23.6°C12.6°C | 12.6°C | 49 | 8.1 | 11.311 h |
| May | 21.9°C10.1°C | 10.1°C | 22 | 5.0 | 10.410 h |
| June | 19.6°C7.5°C | 7.5°C | 22 | 4.0 | 10.010 h |
| July | 19.6°C6.9°C | 6.9°C | 22 | 3.6 | 10.210 h |
| August | 20.3°C7.6°C | 7.6°C | 35 | 5.9 | 10.911 h |
| September | 21.9°C9.2°C | 9.2°C | 40 | 6.2 | 11.912 h |
| October | 22.5°C11.1°C | 11.1°C | 56 | 8.9 | 12.913 h |
| November | 23.7°C12.6°C | 12.6°C | 60 | 9.2 | 13.814 h |
| December | 25.6°C14.8°C | 14.8°C | 62 | 9.8 | 14.314 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Qonce in AprilSouth Africa · 93 kmHigh 23.8°C · Low 13.3°C · 67 mm rain
- Bhisho in AprilSouth Africa · 99 kmHigh 23.1°C · Low 12.5°C · 84 mm rain
- Motherwell in AprilSouth Africa · 103 kmHigh 23.6°C · Low 15.0°C · 40 mm rain
- Gqeberha in AprilSouth Africa · 112 kmHigh 21.8°C · Low 16.6°C · 43 mm rain
- Kariega in AprilSouth Africa · 116 kmHigh 24.1°C · Low 14.6°C · 40 mm rain
- Mdantsane in AprilSouth Africa · 123 kmHigh 23.3°C · Low 15.1°C · 73 mm rain
- East London in AprilSouth Africa · 132 kmHigh 23.7°C · Low 17.6°C · 85 mm rain
- Queenstown in AprilSouth Africa · 160 kmHigh 22.9°C · Low 10.3°C · 47 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Grahamstown) is explained once on the Grahamstown year overview and on the Sources, method and limits page.