Newcastle, New South Wales Weather by Month and Climate Averages

How much rain does Newcastle get?

Newcastle gets 1028 mm of precipitation in an average year, spread over about 128 days with measurable rain. That is more rainy days than 86% of Australia.

June is the wettest month, with 125 mm. August is the driest, with 49 mm. June has the most rainy days, about 13.

The longest dry spell in the last five years lasted 17 days, to September 9, 2025.

Newcastle weather by month

Newcastle weather in January

In January, Newcastle averages a high of 26°C and a low of 20°C. It gets 71 mm of precipitation over about 10 rainy days. The sun is out about 48% of daylight hours. The January record high is 39°C (2009) and the record low is 12°C (1977). January is one of the most comfortable months to visit.

Newcastle weather in February

In February, Newcastle averages a high of 26°C and a low of 20°C. It gets 110 mm of precipitation over about 11 rainy days. The sun is out about 45% of daylight hours. The February record high is 38°C (2011) and the record low is 13°C (1993). February is one of the most comfortable months to visit.

Newcastle weather in March

In March, Newcastle averages a high of 25°C and a low of 19°C. It gets 114 mm of precipitation over about 12 rainy days. The sun is out about 45% of daylight hours. The March record high is 38°C (1985) and the record low is 11°C (2001). March is one of the most comfortable months to visit.

Newcastle weather in April

In April, Newcastle averages a high of 23°C and a low of 16°C. It gets 109 mm of precipitation over about 11 rainy days. The sun is out about 54% of daylight hours. The April record high is 37°C (1986) and the record low is 7°C (1990). April is one of the most comfortable months to visit.

Newcastle weather in May

In May, Newcastle averages a high of 21°C and a low of 13°C. It gets 116 mm of precipitation over about 12 rainy days. The sun is out about 55% of daylight hours. The May record high is 28°C (2013) and the record low is 5°C (1987). May is one of the most comfortable months to visit.

Newcastle weather in June

In June, Newcastle averages a high of 18°C and a low of 11°C. It gets 125 mm of precipitation over about 13 rainy days. The sun is out about 60% of daylight hours. The June record high is 25°C (2023) and the record low is 3°C (1975).

Newcastle weather in July

In July, Newcastle averages a high of 18°C and a low of 9°C. It gets 69 mm of precipitation over about 10 rainy days. The sun is out about 58% of daylight hours. The July record high is 26°C (1990) and the record low is 2°C (1986). July is one of the most comfortable months to visit.

Newcastle weather in August

In August, Newcastle averages a high of 19°C and a low of 10°C. It gets 49 mm of precipitation over about 8 rainy days. The sun is out about 63% of daylight hours. The August record high is 30°C (1995) and the record low is 3°C (1974). August is one of the most comfortable months to visit.

Newcastle weather in September

In September, Newcastle averages a high of 21°C and a low of 13°C. It gets 58 mm of precipitation over about 9 rainy days. The sun is out about 62% of daylight hours. The September record high is 34°C (2003) and the record low is 6°C (1987). September is one of the most comfortable months to visit.

Newcastle weather in October

In October, Newcastle averages a high of 22°C and a low of 15°C. It gets 62 mm of precipitation over about 10 rainy days. The sun is out about 52% of daylight hours. The October record high is 37°C (2025) and the record low is 7°C (1982). October is one of the most comfortable months to visit.

Newcastle weather in November

In November, Newcastle averages a high of 23°C and a low of 17°C. It gets 78 mm of precipitation over about 11 rainy days. The sun is out about 46% of daylight hours. The November record high is 41°C (2009) and the record low is 7°C (1971). November is one of the most comfortable months to visit.

Newcastle weather in December

In December, Newcastle averages a high of 24°C and a low of 19°C. It gets 66 mm of precipitation over about 11 rainy days. The sun is out about 50% of daylight hours. The December record high is 40°C (2004) and the record low is 11°C (2025). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Newcastle

August is the sunniest month in Newcastle, with sunshine about 63% of daylight hours. February is the cloudiest, at 45%. Over the year the sun shines about 53% of daylight hours. Newcastle is sunnier than 51% of Australia.

Humidity peaks in January at 80% and is lowest in September at 69%.

Newcastle has about 8 days a year above 32°C. Newcastle is cooler than 84% of Australia.

Newcastle weather records

The hottest temperature on record at the Newcastle station is 41°C, on November 29, 2020. The coldest is 2°C, on July 27, 1986.

The wettest day on record brought 252 mm of rain, on February 3, 1990.

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

The annual mean temperature has changed by +0.3°C per decade since 1970.

The best time to visit Newcastle

The most comfortable time to visit is typically January to May and July to December, when daytime highs sit near 23°C.

Winter (June–August) is mild, with average highs around 18°C and lows near 10°C.

Spring (September–November) is warm, with average highs around 22°C and lows near 15°C.

Summer (December–February) is warm, with average highs around 25°C and lows near 20°C. It can feel humid.

Autumn (March–May) is warm, with average highs around 23°C and lows near 16°C.

Newcastle climate questions

How much rain does Newcastle get?

Newcastle gets 1028 mm of precipitation in an average year, over about 128 rainy days.

What is the wettest month in Newcastle?

June is the wettest month in Newcastle, with 125 mm. August is the driest, with 49 mm.

How many rainy days does Newcastle have a year?

Newcastle has about 128 days with measurable rain in an average year. June has the most, about 13.

What is the hottest month in Newcastle?

January is the warmest month in Newcastle, with an average high of 26°C.

What is the coldest month in Newcastle?

July is the coldest month in Newcastle, with an average low of 9°C.

What is the record high temperature in Newcastle?

The record high at the Newcastle station is 41°C, set on November 29, 2020. The record low is 2°C, on July 27, 1986.

What is the sunniest month in Newcastle?

August is the sunniest month in Newcastle, with sunshine about 63% of daylight hours. February is the cloudiest.

What is the best time to visit Newcastle?

The most comfortable time to visit is typically January to May and July to December, when daytime highs sit near 23°C.