Newcastle Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Newcastle.
Climate overview of Newcastle
Temperatures in Newcastle, KwaZulu-Natal, South Africa, shift moderately through the seasons. The warmest month is February at 28°C (82°F), and the coolest is July at 21°C (70°F).
With around 941 mm (37 in) of annual rainfall, the city has moderate precipitation levels. December is the wettest month and June the driest. It also has a distinct dry season from May to August. August is the sunniest month, averaging 10.3 hours of sunshine per day.
Newcastle Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Newcastle - and find the best time to visit.
Monthly Temperature in Newcastle
The weather in Newcastle changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in February to a pleasant 21°C (70°F) in the coolest month, July.
Nights vary from 16°C (61°F) in February to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Newcastle
Generally, Newcastle receives mid-range precipitation levels, with 941 mm (37 in) annually. The climate in Newcastle shows significant variation throughout the year. Expect heavy rainfall in December, the wettest month, with an average of 167 mm (6.6 in) of precipitation over 13 rainy days.
In contrast, the driest month June offers drier and sunnier days, with around 12 mm (0.5 in) of rainfall over 2 rainy days. For more details, please visit our Newcastle Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Newcastle
Newcastle offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between August (10.3 hours daily) and June (8.0 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Newcastle by Month
The relative humidity is moderate throughout the year in Newcastle.
The city experiences its highest humidity in February, reaching 66%. In August, the humidity drops to its lowest level at 48%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Newcastle
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July, August and September
- Warmest weather: January, February, March, October, November and December
- Most sunshine: August, September, October and December
- Fewest rainy days: May, June and July
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to August
Frequently asked questions about the climate in Newcastle
What is the best time to visit Newcastle?
April, May, June, July, August and September typically offer the most optimal weather in Newcastle. In contrast, January, February, March, October, November and December tend to have less optimal conditions. Newcastle has a distinct dry season from May to August.
What temperatures can I expect in Newcastle?
Daytime highs range from 21°C (70°F) in July to 28°C (82°F) in February. Nighttime lows range from 5°C (41°F) to 16°C (61°F).
How much rain does Newcastle get?
Annual rainfall is around 941 mm (37 in). December is the wettest month with 167 mm (6.6 in), while June is the driest with 12 mm (0.5 in).
How sunny is Newcastle?
Newcastle receives around 3,341 hours of sunshine per year. August is the sunniest month with 308 hours, while June is the cloudiest with just 239 hours. Overall, Newcastle enjoys abundant sunshine.
Newcastle 3-Day Forecast
Newcastle on the map
Newcastle is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Pretoria
24°C (75°F) Durban
24°C (75°F) Johannesburg22°C (72°F) Gqeberha20°C (68°F) Knysna18°C (64°F) Cape Town17°C (63°F) Hermanus
17°C (63°F) Stellenbosch18°C (64°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Visit Kruger Park in South Africa
Are you going to South Africa, then you cannot skip the Kruger Park. The Kruger Park is one of the most beautiful and largest safari parks in the world.
One of South Africa's most spectacular private game reserves
Sabi Sand Game Reserve is one of South Africa's most spectacular private game reserves. The chance that you see the entire Big Five is high in winter (June - August).
Stay in the world's largest open-air gallery
Vast mountains, beautiful nature, tranquility and the possibility of hiking and seeing fascinating rock paintings. This can all be experienced at the Cederberg Mountains.
Kwazulu Natal
Countless beautiful landscapes, a colorful collection of cultures, wildlife parks, busy and deserted beaches, lively cities, small villages and a subtropical climate.