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Monthly climate in Mount Gambier, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mount Gambier features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 10 °C (50 °F) and 19 °C (66 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 45 °C (113 °F). The average annual precipitation amounts to about 639 mm (25.1 inches) and receives 111 rainy days on the 1 mm (0.04 inches) threshold annually. Mount Gambier enjoys an average of 3137 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Mount Gambier, Australia

The warmest months in Mount Gambier are January, February and March, with daily mean temperatures ranging from 17 to 19 °C (63 - 66 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 10 °C (50 - 50 °F) throughout the day. On average each year, Mount Gambier experiences 53 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 Mount Gambier. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum44°C
(111°F)		39°C
(103°F)		40°C
(105°F)		33°C
(92°F)		25°C
(77°F)		20°C
(68°F)		18°C
(65°F)		22°C
(71°F)		28°C
(82°F)		33°C
(92°F)		36°C
(97°F)		45°C
(113°F)
Mean maximum40°C
(104°F)		36°C
(96°F)		34°C
(94°F)		30°C
(86°F)		22°C
(72°F)		16°C
(61°F)		17°C
(63°F)		19°C
(66°F)		24°C
(76°F)		29°C
(84°F)		33°C
(92°F)		36°C
(98°F)
Average high26°C
(78°F)		24°C
(75°F)		23°C
(74°F)		20°C
(68°F)		16°C
(61°F)		14°C
(57°F)		13°C
(56°F)		13°C
(56°F)		15°C
(60°F)		18°C
(64°F)		21°C
(69°F)		22°C
(73°F)
Daily mean19°C
(66°F)		18°C
(64°F)		17°C
(63°F)		15°C
(59°F)		12°C
(54°F)		10°C
(50°F)		10°C
(50°F)		10°C
(50°F)		11°C
(52°F)		13°C
(55°F)		15°C
(59°F)		16°C
(62°F)
Average low13°C
(55°F)		13°C
(55°F)		12°C
(54°F)		10°C
(50°F)		9°C
(48°F)		6°C
(44°F)		7°C
(44°F)		7°C
(44°F)		7°C
(45°F)		8°C
(47°F)		10°C
(50°F)		11°C
(52°F)
Mean minimum8°C
(46°F)		6°C
(43°F)		6°C
(43°F)		4°C
(40°F)		3°C
(38°F)		1°C
(35°F)		2°C
(35°F)		2°C
(35°F)		2°C
(36°F)		3°C
(38°F)		4°C
(39°F)		5°C
(41°F)
Minimum7°C
(45°F)		5°C
(41°F)		3°C
(38°F)		2°C
(36°F)		1°C
(34°F)		-1°C
(30°F)		-1°C
(30°F)		1°C
(34°F)		0°C
(33°F)		2°C
(36°F)		3°C
(37°F)		2°C
(37°F)

Compare climate in Mount Gambier with other places

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

Monthly average precipitation in Mount Gambier, Australia

Mount Gambier usually has the most precipitation in July, August and September, with an average of 14 rainy days and 83 mm (3.3 inches) of precipitation per month. The driest months in Mount Gambier are January, February and March. On average, 24 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Gambier. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)26 (1.0)23 (0.9)23 (0.9)36 (1.4)75 (2.9)56 (2.2)85 (3.3)89 (3.5)76 (3.0)62 (2.4)52 (2.1)37 (1.5)
Average precipitation days (≥ 1 mm)346811111416131096

Monthly sunshine hours in Mount Gambier, Australia

The sunniest months in Mount Gambier are February, November and December, when the sun shines an average of 10 hours 29 minutes a day. Least sunny months in Mount Gambier: May, June and July receive an average of 6 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mount Gambier. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours288290288229203198216237254275308346
Mean daily daylight hours14h 25m13h 29m12h 17m11h 4m10h 4m9h 34m9h 49m10h 41m11h 50m13h 3m14h 8m14h 42m

Solar UV radiation in Mount Gambier, Australia

Mount Gambier experiences the highest level of ultraviolet (UV) radiation in January, February 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 Mount Gambier UV Index data.

Average daily maximum UV levels by month for Mount Gambier. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)13121174334791114