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Pietermaritzburg weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Pietermaritzburg?
For a warm holiday, the best week has been 1–7 May (Weather Index 91). Favourable start dates for a 7-day trip run from 26 April to 6 May. January, February and March are warmest (28°C), June is driest and January and June have the most sun.
- Warmest
- January, February and March 28°C
- Coolest
- June and July 23°C
- Driest
- June 10% rain-day chance
- Wettest
- December 65% rain-day chance
- Sunniest
- January and June 10 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 Pietermaritzburg
Pietermaritzburg 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 | 28.4 | 18.2 | 57.4 | 17.8 | 136.5 | 9.6 |
| February | 28.1 | 18.6 | 56.8 | 15.9 | 128.0 | 8.7 |
| March | 28.2 | 17.8 | 46.1 | 14.3 | 91.9 | 9.4 |
| April | 25.8 | 15.1 | 40.7 | 12.2 | 94.5 | 8.5 |
| May | 25.0 | 11.7 | 17.7 | 5.5 | 47.5 | 9.1 |
| June | 23.3 | 8.7 | 9.7 | 2.9 | 13.6 | 9.5 |
| July | 23.0 | 8.2 | 13.2 | 4.1 | 20.1 | 9.4 |
| August | 24.1 | 10.2 | 23.9 | 7.4 | 31.2 | 9.2 |
| September | 25.2 | 12.8 | 36.3 | 10.9 | 67.8 | 9.1 |
| October | 25.1 | 13.8 | 46.1 | 14.3 | 97.1 | 8.8 |
| November | 26.0 | 15.8 | 58.3 | 17.5 | 117.4 | 8.8 |
| December | 27.2 | 17.4 | 65.2 | 20.2 | 151.7 | 8.7 |
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.