Newcastle, KwaZulu-Natal Weather by Month and Climate Averages

How much rain does Newcastle get?

Newcastle gets 348 mm of precipitation in an average year, spread over about 71 days with measurable rain. That is more rainy days than 53% of South Africa.

December is the wettest month, with 76 mm. July is the driest, with 3 mm. December has the most rainy days, about 12.

Newcastle weather by month

Newcastle weather in January

In January, Newcastle averages a high of 28°C and a low of 16°C. It gets 48 mm of precipitation over about 8 rainy days. The sun is out about 41% of daylight hours. The January record high is 39°C (2016) and the record low is 2°C (2011).

Newcastle weather in February

In February, Newcastle averages a high of 29°C and a low of 16°C. It gets 43 mm of precipitation over about 8 rainy days. The sun is out about 41% of daylight hours. The February record high is 38°C (2013) and the record low is 8°C (2002).

Newcastle weather in March

In March, Newcastle averages a high of 28°C and a low of 14°C. It gets 43 mm of precipitation over about 8 rainy days. The sun is out about 55% of daylight hours. The March record high is 40°C (1998) and the record low is 7°C (2008).

Newcastle weather in April

In April, Newcastle averages a high of 26°C and a low of 12°C. It gets 23 mm of precipitation over about 5 rainy days. The sun is out about 61% of daylight hours. The April record high is 36°C (2018) and the record low is 0°C (1998). April is one of the most comfortable months to visit.

Newcastle weather in May

In May, Newcastle averages a high of 24°C and a low of 8°C. It gets 11 mm of precipitation over about 3 rainy days. The sun is out about 77% of daylight hours. The May record high is 33°C (2012) and the record low is -4°C (2007). May is one of the most comfortable months to visit.

Newcastle weather in June

In June, Newcastle averages a high of 22°C and a low of 6°C. It gets 6 mm of precipitation over about 2 rainy days. The sun is out about 86% of daylight hours. The June record high is 36°C (2003) and the record low is -6°C (2002). June is one of the most comfortable months to visit.

Newcastle weather in July

In July, Newcastle averages a high of 22°C and a low of 5°C. It gets 3 mm of precipitation over about 2 rainy days. The sun is out about 88% of daylight hours. The July record high is 31°C (2019) and the record low is -4°C (2023). July is one of the most comfortable months to visit.

Newcastle weather in August

In August, Newcastle averages a high of 24°C and a low of 8°C. It gets 7 mm of precipitation over about 3 rainy days. The sun is out about 78% of daylight hours. The August record high is 34°C (2012) and the record low is -2°C (2003). August is one of the most comfortable months to visit.

Newcastle weather in September

In September, Newcastle averages a high of 27°C and a low of 11°C. It gets 14 mm of precipitation over about 5 rainy days. The sun is out about 68% of daylight hours. The September record high is 37°C (2018) and the record low is -4°C (2002).

Newcastle weather in October

In October, Newcastle averages a high of 27°C and a low of 12°C. It gets 27 mm of precipitation over about 8 rainy days. The sun is out about 49% of daylight hours. The October record high is 38°C (2010) and the record low is 2°C (2016).

Newcastle weather in November

In November, Newcastle averages a high of 28°C and a low of 14°C. It gets 45 mm of precipitation over about 9 rainy days. The sun is out about 41% of daylight hours. The November record high is 38°C (2020) and the record low is -2°C (2015).

Newcastle weather in December

In December, Newcastle averages a high of 28°C and a low of 15°C. It gets 76 mm of precipitation over about 12 rainy days. The sun is out about 36% of daylight hours. The December record high is 39°C (2015) and the record low is 6°C (2007).

Sunshine, humidity and wind in Newcastle

July is the sunniest month in Newcastle, with sunshine about 88% of daylight hours. December is the cloudiest, at 36%. Over the year the sun shines about 60% of daylight hours. Newcastle is cloudier than 65% of South Africa.

Humidity peaks in February at 70% and is lowest in July at 38%.

Newcastle has about 24 days a year above 32°C. Newcastle is cooler than 55% of South Africa.

First and last freeze in Newcastle

The first fall freeze in Newcastle typically comes around June 15, and the last spring freeze around July 15. That leaves a frost-free growing season of about 335 days.

Newcastle weather records

The hottest temperature on record at the Newcastle station is 40°C, on March 5, 1998. The coldest is -6°C, on June 3, 2002.

The wettest day on record brought 162 mm of rain, on January 31, 1984.

17 all-time records have been set at the station since 1970.

The best time to visit Newcastle

The most comfortable time to visit is typically April to August, when daytime highs sit near 24°C.

Winter (June–August) is warm, with average highs around 23°C and lows near 6°C.

Spring (September–November) is warm, with average highs around 27°C and lows near 12°C.

Summer (December–February) is hot, with average highs around 29°C and lows near 16°C. It can feel humid.

Autumn (March–May) is warm, with average highs around 26°C and lows near 11°C.

Newcastle climate questions

How much rain does Newcastle get?

Newcastle gets 348 mm of precipitation in an average year, over about 71 rainy days.

What is the wettest month in Newcastle?

December is the wettest month in Newcastle, with 76 mm. July is the driest, with 3 mm.

How many rainy days does Newcastle have a year?

Newcastle has about 71 days with measurable rain in an average year. December has the most, about 12.

What is the hottest month in Newcastle?

February is the warmest month in Newcastle, with an average high of 29°C.

What is the coldest month in Newcastle?

July is the coldest month in Newcastle, with an average low of 5°C.

What is the record high temperature in Newcastle?

The record high at the Newcastle station is 40°C, set on March 5, 1998. The record low is -6°C, on June 3, 2002.

What is the sunniest month in Newcastle?

July is the sunniest month in Newcastle, with sunshine about 88% of daylight hours. December is the cloudiest.

When is the first frost in Newcastle?

The first fall freeze in Newcastle typically comes around June 15. The last spring freeze is around July 15.

What is the best time to visit Newcastle?

The most comfortable time to visit is typically April to August, when daytime highs sit near 24°C.