Average annual temperature is 14.4 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 180 days
Number of rainy days: 185 days
Look at detailed online map of Grahamstown
* Weather data for Grahamstown Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.8 | 34.5 | 36.0 | 23.3 | 18.6 | 18.7 | 15.5 | 18.3 | 26.7 | 29.1 | 33.5 | 36.0 |
| Average daytime temperature (°C) | 28.7 | 27.8 | 25.4 | 19.4 | 14.0 | 12.5 | 12.5 | 14.7 | 19.4 | 20.6 | 25.4 | 27.5 |
| Average temperature (°C) | 22.2 | 21.0 | 19.2 | 13.6 | 8.4 | 8.3 | 6.9 | 8.4 | 11.9 | 13.7 | 18.9 | 21.1 |
| Average night temperature (°C) | 15.4 | 14.1 | 13.4 | 8.4 | 4.0 | 5.0 | 2.4 | 3.3 | 5.1 | 6.9 | 12.0 | 14.8 |
| Absolute minimum temperature (°C) | 11.2 | 8.4 | 6.9 | 3.5 | -1.1 | -3.5 | -3.1 | -0.7 | -0.4 | 2.3 | 5.2 | 10.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.2 | 13.4 | 12.3 | 11.2 | 10.3 | 9.8 | 10.0 | 10.8 | 11.9 | 13.0 | 14.0 | 14.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.7 | 11.8 | 9.9 | 8.2 | 6.9 | 5.3 | 6.9 | 8.1 | 10.5 | 10.0 | 11.1 | 12.3 |
| Precipitation (mm) | 82 | 30 | 143 | 109 | 38 | 128 | 35 | 75 | 23 | 47 | 110 | 82 |
| Sunny days | 17 | 19 | 12 | 15 | 16 | 7 | 16 | 13 | 23 | 18 | 14 | 10 |
| Rainy days | 14 | 9 | 19 | 15 | 15 | 23 | 15 | 18 | 7 | 13 | 16 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grahamstown during the most sunny months:
The largest precipitation sum in Grahamstown is at