Average humidity in Newcastle
On this page you find more information about the monthly relative humidity over the year in Newcastle (KwaZulu-Natal), South Africa.
Newcastle's humidity levels vary throughout the year. The highest levels occur in February, reaching 66% (high), while the lowest is recorded in August at 48%.
Throughout the year, the average humidity in Newcastle is 57%.
Humidity plays an important role in how temperatures are felt. During the warmest month, February, the maximum average temperature is around 28°C (82°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.
During the coldest month, July, the maximum average temperature is around 21°C (70°F). This period has moderate humidity. Check out our detailed temperature page for more information.
Newcastle Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Newcastle - and find the best time to visit.
Newcastle 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Newcastle climate overview or explore weather in South Africa.
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) 
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Visit Kruger Park in South Africa
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One of South Africa's most spectacular private game reserves
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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.