Climate averages 1991–2020
Newcastle, South Africa weather
in July.
A mild, very dry month: one of the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Newcastle, South Africa: daytime highs average 18.4°C and nights cool to about 3.8°C. By daytime temperature it is one of the coolest months of the year.
Expect about 13 mm of rain on roughly 2 days, which makes July a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 34 min on an average July day.
The nearest other city in this atlas is Dundee, South Africa (54 km away). In July its highs average 18.7°C, about as warm as Newcastle, South Africa, with 14 mm of rain.
Among the 95 cities listed in South Africa, Newcastle, South Africa ranks joint 45th of 95 for the warmest July highs and joint 65th of 95 for the driest July (rainfall, lowest first). The mean July high of those 95 cities is 18.5°C; Newcastle, South Africa is 0.2°C cooler than that mean.
From July to August, average highs rise by 2.9°C to 21.3°C, and monthly rainfall rises from 13 mm to 22 mm.
The annual picture
July 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
Newcastle, South Africa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.1°C15.6°C | 15.6°C | 141 | 17.6 | 13.714 h |
| February | 26.1°C15.6°C | 15.6°C | 102 | 13.3 | 13.113 h |
| March | 24.9°C14.0°C | 14.0°C | 99 | 11.8 | 12.312 h |
| April | 22.6°C11.1°C | 11.1°C | 45 | 7.4 | 11.411 h |
| May | 20.7°C7.4°C | 7.4°C | 17 | 2.9 | 10.811 h |
| June | 18.4°C4.4°C | 4.4°C | 10 | 2.2 | 10.410 h |
| July, selected | 18.4°C3.8°C | 3.8°C | 13 | 2.1 | 10.611 h |
| August | 21.3°C6.3°C | 6.3°C | 22 | 3.9 | 11.111 h |
| September | 24.7°C9.7°C | 9.7°C | 40 | 7.0 | 11.912 h |
| October | 25.1°C11.8°C | 11.8°C | 94 | 13.7 | 12.713 h |
| November | 25.6°C13.4°C | 13.4°C | 120 | 16.5 | 13.513 h |
| December | 26.2°C15.0°C | 15.0°C | 155 | 18.9 | 13.914 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
July in nearby cities
- Dundee, South Africa in JulySouth Africa · 54 kmHigh 18.7°C · Low 5.4°C · 14 mm rain
- Vryheid in JulySouth Africa · 85 kmHigh 19.2°C · Low 4.6°C · 14 mm rain
- Ladysmith in JulySouth Africa · 90 kmHigh 19.4°C · Low 3.8°C · 16 mm rain
- Standerton in JulySouth Africa · 114 kmHigh 17.1°C · Low 2.2°C · 6.6 mm rain
- Piet Retief in JulySouth Africa · 121 kmHigh 18.3°C · Low 5.3°C · 12 mm rain
- Ermelo in JulySouth Africa · 136 kmHigh 16.4°C · Low 2.8°C · 6.5 mm rain
- Phuthaditjhaba in JulySouth Africa · 139 kmHigh 15.1°C · Low 0.6°C · 11 mm rain
- Bethal in JulySouth Africa · 152 kmHigh 16.8°C · Low 2.4°C · 5.9 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 Newcastle) is explained once on the Newcastle, South Africa year overview and on the Sources, method and limits page.