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Monthly climate in Wallan, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Wallan features a oceanic climate (Cfb). Temperatures typically range between 8 °C (47 °F) and 20 °C (69 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 643 mm (25.3 inches) and receives 103 rainy days on the 1 mm (0.04 inches) threshold annually. Wallan enjoys an average of 3107 hours of sunshine throughout the year, and daylight varies from 9 hours 36 minutes to 14 hours 40 minutes per day.

Monthly average temperatures in Wallan, Australia

The warmest months in Wallan are January, February and March, with daily mean temperatures ranging from 18 to 20 °C (64 - 69 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 8 °C (47 - 47 °F) throughout the day. On average each year, Wallan experiences 73 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wallan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum43°C
(109°F)		42°C
(107°F)		37°C
(99°F)		31°C
(87°F)		24°C
(75°F)		17°C
(63°F)		16°C
(61°F)		20°C
(68°F)		27°C
(80°F)		31°C
(88°F)		38°C
(101°F)		42°C
(108°F)
Mean maximum39°C
(102°F)		35°C
(96°F)		32°C
(90°F)		27°C
(82°F)		21°C
(70°F)		15°C
(59°F)		15°C
(60°F)		17°C
(64°F)		23°C
(74°F)		27°C
(81°F)		33°C
(92°F)		36°C
(97°F)
Average high27°C
(81°F)		25°C
(78°F)		24°C
(75°F)		20°C
(67°F)		15°C
(59°F)		12°C
(55°F)		12°C
(53°F)		13°C
(55°F)		16°C
(60°F)		19°C
(66°F)		22°C
(71°F)		24°C
(76°F)
Daily mean20°C
(69°F)		19°C
(66°F)		18°C
(64°F)		14°C
(58°F)		11°C
(51°F)		8°C
(47°F)		8°C
(47°F)		8°C
(47°F)		10°C
(51°F)		13°C
(56°F)		16°C
(60°F)		18°C
(64°F)
Average low14°C
(57°F)		13°C
(55°F)		12°C
(54°F)		9°C
(49°F)		7°C
(45°F)		5°C
(41°F)		5°C
(41°F)		5°C
(41°F)		6°C
(42°F)		8°C
(46°F)		10°C
(50°F)		11°C
(53°F)
Mean minimum8°C
(48°F)		7°C
(45°F)		7°C
(44°F)		4°C
(40°F)		2°C
(36°F)		1°C
(34°F)		-0°C
(32°F)		-0°C
(32°F)		0°C
(33°F)		2°C
(36°F)		3°C
(38°F)		7°C
(44°F)
Minimum8°C
(46°F)		5°C
(41°F)		5°C
(42°F)		3°C
(37°F)		-0°C
(32°F)		-2°C
(29°F)		-3°C
(27°F)		-2°C
(30°F)		-1°C
(31°F)		0°C
(33°F)		3°C
(37°F)		5°C
(42°F)

Compare climate in Wallan with other places

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

Monthly average precipitation in Wallan, Australia

Wallan usually has the most precipitation in May, October and December, with an average of 9 rainy days and 69 mm (2.7 inches) of precipitation per month. The driest months in Wallan are January, March and July. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wallan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)43 (1.7)45 (1.8)36 (1.4)50 (2.0)60 (2.4)53 (2.1)43 (1.7)53 (2.1)55 (2.2)74 (2.9)57 (2.3)74 (2.9)
Average precipitation days (≥ 1 mm)545610912121111117

Monthly sunshine hours in Wallan, Australia

The sunniest months in Wallan are February, November and December, when the sun shines an average of 10 hours 11 minutes a day. Least sunny months in Wallan: May, June and July receive an average of 6 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wallan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours279289285239213191209230258281291336
Mean daily daylight hours14h 23m13h 27m12h 17m11h 5m10h 6m9h 36m9h 51m10h 42m11h 50m13h 2m14h 7m14h 40m

Solar UV radiation in Wallan, Australia

Wallan experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 12 - 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 4. For more detailed information, check out our hourly Wallan UV Index data.

Average daily maximum UV levels by month for Wallan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)14121174335791214