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Monthly climate in Galston, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Galston features a humid subtropical climate (Cfa). Temperatures typically range between 12 °C (53 °F) and 24 °C (76 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 45 °C (114 °F). The average annual precipitation amounts to about 743 mm (29.3 inches) and receives 104 rainy days on the 1 mm (0.04 inches) threshold annually. Galston enjoys an average of 3298 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in Galston, Australia

The warmest months in Galston are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (72 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 12 to 13 °C (53 - 55 °F) throughout the day. On average each year, Galston experiences 113 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 Galston. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum45°C
(114°F)		44°C
(111°F)		40°C
(104°F)		35°C
(96°F)		27°C
(82°F)		23°C
(74°F)		26°C
(80°F)		27°C
(82°F)		35°C
(95°F)		36°C
(98°F)		41°C
(106°F)		41°C
(106°F)
Mean maximum40°C
(104°F)		38°C
(101°F)		34°C
(93°F)		30°C
(87°F)		26°C
(79°F)		20°C
(69°F)		25°C
(77°F)		26°C
(79°F)		31°C
(89°F)		33°C
(92°F)		35°C
(95°F)		37°C
(99°F)
Average high29°C
(85°F)		28°C
(82°F)		26°C
(78°F)		24°C
(75°F)		21°C
(69°F)		18°C
(64°F)		18°C
(65°F)		19°C
(67°F)		22°C
(72°F)		24°C
(75°F)		25°C
(77°F)		27°C
(82°F)
Daily mean24°C
(76°F)		23°C
(74°F)		21°C
(70°F)		18°C
(65°F)		15°C
(59°F)		12°C
(54°F)		12°C
(53°F)		13°C
(55°F)		16°C
(60°F)		18°C
(65°F)		20°C
(68°F)		22°C
(72°F)
Average low20°C
(68°F)		19°C
(66°F)		18°C
(64°F)		13°C
(57°F)		10°C
(50°F)		8°C
(47°F)		6°C
(43°F)		7°C
(45°F)		9°C
(49°F)		13°C
(56°F)		15°C
(59°F)		18°C
(64°F)
Mean minimum15°C
(60°F)		14°C
(58°F)		13°C
(55°F)		8°C
(47°F)		4°C
(39°F)		4°C
(39°F)		1°C
(34°F)		2°C
(36°F)		4°C
(40°F)		8°C
(47°F)		9°C
(49°F)		13°C
(55°F)
Minimum12°C
(54°F)		13°C
(56°F)		10°C
(49°F)		5°C
(42°F)		1°C
(35°F)		3°C
(37°F)		-0°C
(32°F)		1°C
(34°F)		3°C
(38°F)		7°C
(45°F)		9°C
(48°F)		12°C
(54°F)

Compare climate in Galston with other places

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

Monthly average precipitation in Galston, Australia

Galston usually has the most precipitation in February, March and November, with an average of 13 rainy days and 112 mm (4.4 inches) of precipitation per month. The driest months in Galston are April, August and September. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Galston. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)37 (1.5)107 (4.2)153 (6.0)29 (1.1)42 (1.7)44 (1.7)40 (1.6)34 (1.3)36 (1.4)67 (2.6)77 (3.0)76 (3.0)
Average precipitation days (≥ 1 mm)91217659456111010

Monthly sunshine hours in Galston, Australia

The sunniest months in Galston are October, November and December, when the sun shines an average of 10 hours 10 minutes a day. Least sunny months in Galston: May, June and July receive an average of 7 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Galston. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours256280272268251224247274287299310325
Mean daily daylight hours14h 5m13h 17m12h 15m11h 13m10h 21m9h 56m10h 8m10h 53m11h 52m12h 55m13h 51m14h 20m

Solar UV radiation in Galston, Australia

Galston experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 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 Galston UV Index data.

Average daily maximum UV levels by month for Galston. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141412853468101214