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Monthly climate in Wollongong, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Wollongong features a oceanic climate (Cfb). Temperatures typically range between 14 °C (58 °F) and 22 °C (72 °F) through the year, but rarely can drop to 9 °C (48 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1154 mm (45.4 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually. Wollongong enjoys an average of 3288 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 23 minutes per day.

Monthly average temperatures in Wollongong, Australia

The warmest months in Wollongong are January, February and March, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 14 to 15 °C (58 - 59 °F) throughout the day. On average each year, Wollongong experiences 15 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wollongong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(87°F)		29°C
(85°F)		31°C
(88°F)		27°C
(81°F)		23°C
(73°F)		21°C
(70°F)		21°C
(71°F)		21°C
(70°F)		24°C
(76°F)		27°C
(80°F)		30°C
(87°F)		28°C
(83°F)
Mean maximum29°C
(84°F)		28°C
(82°F)		27°C
(81°F)		25°C
(76°F)		22°C
(73°F)		18°C
(65°F)		20°C
(69°F)		20°C
(68°F)		22°C
(73°F)		24°C
(75°F)		26°C
(78°F)		27°C
(81°F)
Average high23°C
(74°F)		23°C
(74°F)		22°C
(73°F)		21°C
(70°F)		19°C
(66°F)		16°C
(62°F)		16°C
(61°F)		16°C
(61°F)		17°C
(64°F)		19°C
(66°F)		20°C
(68°F)		22°C
(71°F)
Daily mean22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		19°C
(67°F)		17°C
(63°F)		15°C
(59°F)		14°C
(58°F)		14°C
(58°F)		16°C
(60°F)		17°C
(63°F)		18°C
(65°F)		20°C
(69°F)
Average low21°C
(70°F)		21°C
(69°F)		20°C
(68°F)		18°C
(65°F)		16°C
(60°F)		14°C
(57°F)		13°C
(55°F)		12°C
(54°F)		14°C
(57°F)		16°C
(60°F)		17°C
(63°F)		19°C
(66°F)
Mean minimum18°C
(65°F)		18°C
(64°F)		17°C
(63°F)		14°C
(58°F)		12°C
(53°F)		11°C
(51°F)		10°C
(51°F)		10°C
(50°F)		11°C
(51°F)		13°C
(56°F)		13°C
(56°F)		16°C
(61°F)
Minimum16°C
(60°F)		17°C
(62°F)		15°C
(59°F)		14°C
(57°F)		11°C
(51°F)		9°C
(49°F)		9°C
(49°F)		9°C
(48°F)		10°C
(51°F)		13°C
(55°F)		12°C
(54°F)		15°C
(59°F)

Compare climate in Wollongong with other places

Compare temperature, precipitation, sunshine, UV index in Wollongong, Australia with other places around the world.

Monthly average precipitation in Wollongong, Australia

Wollongong usually has the most precipitation in February, March and June, with an average of 15 rainy days and 158 mm (6.2 inches) of precipitation per month. The driest months in Wollongong are January, April and September. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wollongong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)57 (2.2)135 (5.3)217 (8.6)55 (2.2)82 (3.2)122 (4.8)59 (2.3)70 (2.8)51 (2.0)98 (3.8)121 (4.8)86 (3.4)
Average precipitation days (≥ 1 mm)915189814577131014

Monthly sunshine hours in Wollongong, Australia

The sunniest months in Wollongong are October, November and December, when the sun shines an average of 10 hours 12 minutes a day. Least sunny months in Wollongong: May, June and July receive an average of 7 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wollongong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours259278271269247221246267287301309327
Mean daily daylight hours14h 9m13h 19m12h 15m11h 11m10h 18m9h 52m10h 5m10h 51m11h 52m12h 56m13h 54m14h 23m

Solar UV radiation in Wollongong, Australia

Wollongong experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Wollongong UV Index data.

Average daily maximum UV levels by month for Wollongong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141312853458101214