Newcastle, South Africa Climate by Month
Newcastle, KwaZulu-Natal, South Africa
Warm summers and cool winters, with most rain from November to March.
Warm summers and cool winters, with most rain from November to March: that's Newcastle's climate in short. December is the warmest month, with highs around 84°F (29°C); July is the coolest at 70°F (21°C), and nights dip to 38°F (4°C). Of the 29 in (735 mm) of rain in a typical year, 74% falls from November to March. June and July are almost completely dry.
- Warmest month
- 84°F(29°C)
- Average high, December
- Coldest nights
- 38°F(4°C)
- Average low, July
- Rain per year
- 29 in(735 mm)
- Wettest: December
- Humidity
- 55%
- Sunniest: December
Best and worst months in Newcastle
Best for weatherThe most comfortable weather comes in April, May and August, with highs around 75°F (24°C) and about 0.9 in (23 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the hottest, with highs of 84°F (29°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Newcastle weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 84°F(29°C) | 62°F(16°C) | 4.7 in(119 mm) | 65% | 6.4 |
| FebFebruary | 84°F(29°C) | 61°F(16°C) | 4.6 in(117 mm) | 67% | 6.2 |
| MarMarch | 82°F(28°C) | 58°F(15°C) | 3.4 in(86 mm) | 64% | 5.3 |
| AprAprilBest | 77°F(25°C) | 51°F(11°C) | 1.4 in(36 mm) | 64% | 4.6 |
| MayMayBest | 74°F(23°C) | 44°F(7°C) | 0.6 in(14 mm) | 53% | 4.1 |
| JunJune | 70°F(21°C) | 39°F(4°C) | 0.3 in(8 mm) | 48% | 3.7 |
| JulJuly | 70°F(21°C) | 38°F(4°C) | 0.3 in(7 mm) | 42% | 3.9 |
| AugAugustBest | 75°F(24°C) | 44°F(7°C) | 0.7 in(18 mm) | 41% | 4.7 |
| SepSeptember | 80°F(27°C) | 50°F(10°C) | 1.1 in(29 mm) | 43% | 5.5 |
| OctOctober | 81°F(27°C) | 55°F(13°C) | 3.1 in(80 mm) | 56% | 6.0 |
| NovNovember | 82°F(28°C) | 58°F(14°C) | 3.8 in(97 mm) | 60% | 6.5 |
| DecDecember | 84°F(29°C) | 61°F(16°C) | 4.9 in(124 mm) | 62% | 6.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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