Climate averages 1991–2020
Newcastle, South Africa weather
in June.
A mild, very dry month: one of the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Newcastle, South Africa: daytime highs average 18.4°C and nights cool to about 4.4°C. By daytime temperature it is one of the coolest months of the year.
Expect about 10 mm of rain on roughly 2 days, which makes June a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 25 min on an average June day.
The nearest other city in this atlas is Dundee, South Africa (54 km away). In June its highs average 18.6°C, about as warm as Newcastle, South Africa, with 11 mm of rain.
Among the 95 cities listed in South Africa, Newcastle, South Africa ranks joint 42nd of 95 for the warmest June highs and joint 51st of 95 for the driest June (rainfall, lowest first). The mean June high of those 95 cities is 18.5°C; Newcastle, South Africa is 0.2°C cooler than that mean.
From June to July, average highs stay level at 18.4°C, and monthly rainfall rises from 10 mm to 13 mm.
The annual picture
June 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, selected | 18.4°C4.4°C | 4.4°C | 10 | 2.2 | 10.410 h |
| July | 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
June in nearby cities
- Dundee, South Africa in JuneSouth Africa · 54 kmHigh 18.6°C · Low 5.9°C · 11 mm rain
- Vryheid in JuneSouth Africa · 85 kmHigh 19.2°C · Low 5.0°C · 13 mm rain
- Ladysmith in JuneSouth Africa · 90 kmHigh 19.4°C · Low 4.3°C · 14 mm rain
- Standerton in JuneSouth Africa · 114 kmHigh 17.0°C · Low 2.7°C · 7.9 mm rain
- Piet Retief in JuneSouth Africa · 121 kmHigh 18.2°C · Low 5.8°C · 11 mm rain
- Ermelo in JuneSouth Africa · 136 kmHigh 16.3°C · Low 3.3°C · 6.8 mm rain
- Phuthaditjhaba in JuneSouth Africa · 139 kmHigh 15.1°C · Low 1.1°C · 13 mm rain
- Bethal in JuneSouth Africa · 152 kmHigh 16.7°C · Low 2.8°C · 6.5 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.