Log visit
South Africa
Benoni weather by month
Historical averages 2016–2025 · not a forecast
Loading your weather period…
When is the best time to visit Benoni?
For a warm holiday, the best week has been 4–10 March (Weather Index 94). Several start dates remain plausible, and the best timing varies between years. October to January are warmest (26°C), August is driest and August to March have the most sun.
- Warmest
- October to January 26°C
- Coolest
- June and July 19°C
- Driest
- August 2% rain-day chance
- Wettest
- December 59% rain-day chance
- Sunniest
- August to March 11 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Benoni
Benoni historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 25.9 | 15.2 | 49.7 | 15.4 | 141.3 | 11.3 |
| February | 25.5 | 15.2 | 53.6 | 15.0 | 133.5 | 10.6 |
| March | 25.1 | 13.7 | 32.9 | 10.2 | 77.2 | 10.6 |
| April | 22.5 | 10.5 | 28.3 | 8.5 | 75.0 | 9.7 |
| May | 20.9 | 6.7 | 8.7 | 2.7 | 20.2 | 9.7 |
| June | 18.7 | 3.5 | 4.3 | 1.3 | 4.6 | 9.8 |
| July | 18.6 | 3.1 | 2.6 | 0.8 | 3.9 | 10.0 |
| August | 21.9 | 6.0 | 1.6 | 0.5 | 3.4 | 10.5 |
| September | 25.4 | 9.8 | 12.0 | 3.6 | 14.6 | 11.3 |
| October | 25.9 | 11.8 | 27.7 | 8.6 | 61.3 | 11.1 |
| November | 25.7 | 13.6 | 46.0 | 13.8 | 104.0 | 11.0 |
| December | 25.7 | 15.1 | 58.7 | 18.2 | 135.6 | 10.8 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.