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Monthly climate in Hamilton, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hamilton features a oceanic climate (Cfb). Temperatures typically range between 8 °C (47 °F) and 19 °C (67 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 599 mm (23.6 inches) and receives 105 rainy days on the 1 mm (0.04 inches) threshold annually. Hamilton enjoys an average of 3049 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 Hamilton, Australia

The warmest months in Hamilton are January, February and March, with daily mean temperatures ranging from 17 to 19 °C (63 - 67 °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 - 48 °F) throughout the day. On average each year, Hamilton experiences 63 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 Hamilton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(106°F)		39°C
(103°F)		38°C
(101°F)		33°C
(92°F)		23°C
(75°F)		18°C
(64°F)		17°C
(63°F)		19°C
(67°F)		26°C
(79°F)		32°C
(89°F)		34°C
(93°F)		43°C
(110°F)
Mean maximum39°C
(103°F)		36°C
(97°F)		33°C
(93°F)		29°C
(85°F)		21°C
(70°F)		15°C
(59°F)		16°C
(61°F)		17°C
(63°F)		23°C
(74°F)		28°C
(82°F)		32°C
(89°F)		37°C
(98°F)
Average high27°C
(80°F)		25°C
(77°F)		24°C
(75°F)		19°C
(67°F)		15°C
(59°F)		13°C
(55°F)		12°C
(54°F)		12°C
(55°F)		15°C
(59°F)		17°C
(64°F)		21°C
(70°F)		23°C
(74°F)
Daily mean19°C
(67°F)		18°C
(64°F)		17°C
(63°F)		14°C
(57°F)		11°C
(51°F)		8°C
(48°F)		8°C
(47°F)		8°C
(47°F)		10°C
(50°F)		12°C
(54°F)		15°C
(59°F)		17°C
(62°F)
Average low12°C
(55°F)		12°C
(54°F)		12°C
(53°F)		9°C
(49°F)		7°C
(45°F)		5°C
(41°F)		5°C
(41°F)		5°C
(41°F)		5°C
(42°F)		7°C
(45°F)		9°C
(48°F)		10°C
(50°F)
Mean minimum7°C
(45°F)		6°C
(42°F)		6°C
(42°F)		4°C
(40°F)		2°C
(36°F)		1°C
(33°F)		-0°C
(32°F)		-0°C
(32°F)		-0°C
(32°F)		2°C
(36°F)		2°C
(37°F)		4°C
(40°F)
Minimum6°C
(43°F)		4°C
(39°F)		4°C
(39°F)		3°C
(38°F)		-0°C
(32°F)		-1°C
(30°F)		-3°C
(27°F)		-1°C
(30°F)		-2°C
(28°F)		0°C
(33°F)		1°C
(34°F)		3°C
(37°F)

Compare climate in Hamilton with other places

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

Monthly average precipitation in Hamilton, Australia

Hamilton usually has the most precipitation in May, August and October, with an average of 12 rainy days and 67 mm (2.6 inches) of precipitation per month. The driest months in Hamilton are January, February and March. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hamilton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)31 (1.2)25 (1.0)30 (1.2)41 (1.6)66 (2.6)43 (1.7)63 (2.5)68 (2.7)64 (2.5)68 (2.7)62 (2.5)40 (1.6)
Average precipitation days (≥ 1 mm)35671181315121186

Monthly sunshine hours in Hamilton, Australia

The sunniest months in Hamilton are February, November and December, when the sun shines an average of 10 hours 11 minutes a day. Least sunny months in Hamilton: May, June and July receive an average of 6 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hamilton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours283286281221202192208228248264294335
Mean daily daylight hours14h 25m13h 29m12h 17m11h 4m10h 4m9h 34m9h 49m10h 41m11h 50m13h 3m14h 8m14h 42m

Solar UV radiation in Hamilton, Australia

Hamilton 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 Hamilton UV Index data.

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