Wollongong, New South Wales Weather by Month and Climate Averages

Wollongong, New South Wales gets 1108 mm of precipitation a year over about 129 rainy days. January is the warmest month (average high 25°C) and July the coldest (average low 10°C).

Wollongong climate at a glance

Humid subtropical climate

Wollongong, New South Wales has warm summers and mild winters. Daytime highs range from about 17°C in July to 25°C in February. February is usually the wettest month. The most comfortable time to visit is typically January and March to December, when daytime highs sit near 21°C.

How much rain does Wollongong get?

Wollongong gets 1108 mm of precipitation in an average year, spread over about 129 days with measurable rain. That is more rainy days than 87% of Australia.

February is the wettest month, with 138 mm. September is the driest, with 55 mm. March has the most rainy days, about 14.

The longest dry spell in the last five years lasted 27 days, to July 30, 2025.

Wollongong weather by month

Wollongong weather in January

In January, Wollongong averages a high of 25°C and a low of 19°C. It gets 77 mm of precipitation over about 12 rainy days. The sun is out about 40% of daylight hours. The January record high is 37°C (2016) and the record low is 13°C (2010). January is one of the most comfortable months to visit.

Wollongong weather in February

In February, Wollongong averages a high of 25°C and a low of 19°C. It gets 138 mm of precipitation over about 13 rainy days. The sun is out about 39% of daylight hours. The February record high is 38°C (2018) and the record low is 13°C (2013).

Wollongong weather in March

In March, Wollongong averages a high of 24°C and a low of 18°C. It gets 131 mm of precipitation over about 14 rainy days. The sun is out about 43% of daylight hours. The March record high is 38°C (2023) and the record low is 11°C (2019). March is one of the most comfortable months to visit.

Wollongong weather in April

In April, Wollongong averages a high of 22°C and a low of 16°C. It gets 101 mm of precipitation over about 11 rainy days. The sun is out about 54% of daylight hours. The April record high is 32°C (2005) and the record low is 9°C (2008). April is one of the most comfortable months to visit.

Wollongong weather in May

In May, Wollongong averages a high of 20°C and a low of 13°C. It gets 70 mm of precipitation over about 8 rainy days. The sun is out about 55% of daylight hours. The May record high is 28°C (1998) and the record low is 6°C (1998). May is one of the most comfortable months to visit.

Wollongong weather in June

In June, Wollongong averages a high of 18°C and a low of 11°C. It gets 119 mm of precipitation over about 10 rainy days. The sun is out about 57% of daylight hours. The June record high is 24°C (2004) and the record low is 6°C (2010). June is one of the most comfortable months to visit.

Wollongong weather in July

In July, Wollongong averages a high of 17°C and a low of 10°C. It gets 77 mm of precipitation over about 9 rainy days. The sun is out about 56% of daylight hours. The July record high is 27°C (2017) and the record low is 4°C (2007). July is one of the most comfortable months to visit.

Wollongong weather in August

In August, Wollongong averages a high of 18°C and a low of 11°C. It gets 94 mm of precipitation over about 8 rainy days. The sun is out about 58% of daylight hours. The August record high is 30°C (2024) and the record low is 6°C (2009). August is one of the most comfortable months to visit.

Wollongong weather in September

In September, Wollongong averages a high of 20°C and a low of 12°C. It gets 55 mm of precipitation over about 9 rainy days. The sun is out about 58% of daylight hours. The September record high is 34°C (2023) and the record low is 6°C (2012). September is one of the most comfortable months to visit.

Wollongong weather in October

In October, Wollongong averages a high of 22°C and a low of 14°C. It gets 78 mm of precipitation over about 11 rainy days. The sun is out about 46% of daylight hours. The October record high is 38°C (2004) and the record low is 6°C (2012). October is one of the most comfortable months to visit.

Wollongong weather in November

In November, Wollongong averages a high of 22°C and a low of 16°C. It gets 94 mm of precipitation over about 12 rainy days. The sun is out about 38% of daylight hours. The November record high is 39°C (2020) and the record low is 9°C (2006). November is one of the most comfortable months to visit.

Wollongong weather in December

In December, Wollongong averages a high of 24°C and a low of 18°C. It gets 75 mm of precipitation over about 12 rainy days. The sun is out about 45% of daylight hours. The December record high is 38°C (2004) and the record low is 11°C (2011). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Wollongong

August is the sunniest month in Wollongong, with sunshine about 58% of daylight hours. November is the cloudiest, at 38%. Over the year the sun shines about 49% of daylight hours. Wollongong is cloudier than 66% of Australia.

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

Wollongong has about 5 days a year above 32°C. Wollongong is cooler than 90% of Australia.

Wollongong weather records

The hottest temperature on record at the Wollongong station is 39°C, on November 29, 2020. The coldest is 4°C, on July 17, 2007.

The wettest day on record brought 240 mm of rain, on August 18, 1998.

29 all-time records have been set at the station since 1997.

The best time to visit Wollongong

The most comfortable time to visit is typically January and March to December, when daytime highs sit near 21°C.

Winter (June–August) is mild, with average highs around 18°C and lows near 11°C.

Spring (September–November) is warm, with average highs around 21°C and lows near 14°C.

Summer (December–February) is warm, with average highs around 25°C and lows near 19°C. It can feel humid.

Autumn (March–May) is warm, with average highs around 22°C and lows near 16°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineSea tempRecord highRecord low
January77 mm1280%40%-5°37°13°
February138 mm1378%39%-5°38°13°
March131 mm1477%43%-5°38°11°
April101 mm1173%54%-6°32°
May70 mm872%55%-6°28°
June119 mm1069%57%-7°24°
July77 mm970%56%-8°27°
August94 mm870%58%-8°30°
September55 mm969%58%-8°34°
October78 mm1174%46%-7°38°
November94 mm1277%38%-7°39°
December75 mm1278%45%-6°38°11°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Wollongong climate questions

How much rain does Wollongong get?

Wollongong gets 1108 mm of precipitation in an average year, over about 129 rainy days.

What is the wettest month in Wollongong?

February is the wettest month in Wollongong, with 138 mm. September is the driest, with 55 mm.

How many rainy days does Wollongong have a year?

Wollongong has about 129 days with measurable rain in an average year. March has the most, about 14.

What is the hottest month in Wollongong?

January is the warmest month in Wollongong, with an average high of 25°C.

What is the coldest month in Wollongong?

July is the coldest month in Wollongong, with an average low of 10°C.

What is the record high temperature in Wollongong?

The record high at the Wollongong station is 39°C, set on November 29, 2020. The record low is 4°C, on July 17, 2007.

What is the sunniest month in Wollongong?

August is the sunniest month in Wollongong, with sunshine about 58% of daylight hours. November is the cloudiest.

What is the best time to visit Wollongong?

The most comfortable time to visit is typically January and March to December, when daytime highs sit near 21°C.

Source: NOAA GHCN-Daily station BELLAMBI AWS (7 km away).

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Normals from NOAA GHCN-Daily station BELLAMBI AWS.