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Monthly climate in Perth, Tasmania, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Perth features a oceanic climate (Cfb). Temperatures typically range between 6 °C (44 °F) and 17 °C (64 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 815 mm (32.1 inches) and receives 110 rainy days on the 1 mm (0.04 inches) threshold annually. Perth enjoys an average of 3214 hours of sunshine throughout the year, and daylight varies from 9 hours 11 minutes to 15 hours 6 minutes per day.

Monthly average temperatures in Perth, Tasmania, Australia §

The warmest months in Perth are January, February and December, with daily mean temperatures ranging from 15 to 17 °C (60 - 64 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 6 to 7 °C (44 - 45 °F) throughout the day. On average each year, Perth experiences 17 days above 25 °C (77.0 °F) and 22 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Perth, Tasmania, Australia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 33°C
(91°F)		 33°C
(92°F)		 31°C
(88°F)		 25°C
(77°F)		 20°C
(68°F)		 15°C
(60°F)		 14°C
(58°F)		 15°C
(60°F)		 21°C
(69°F)		 25°C
(78°F)		 28°C
(83°F)		 33°C
(92°F)
Mean maximum 31°C
(87°F)		 28°C
(82°F)		 26°C
(80°F)		 22°C
(72°F)		 18°C
(65°F)		 14°C
(57°F)		 14°C
(57°F)		 15°C
(59°F)		 19°C
(66°F)		 22°C
(72°F)		 25°C
(78°F)		 29°C
(85°F)
Average high 23°C
(74°F)		 21°C
(70°F)		 21°C
(69°F)		 17°C
(63°F)		 14°C
(57°F)		 11°C
(53°F)		 11°C
(52°F)		 11°C
(53°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(66°F)		 21°C
(70°F)
Daily mean 17°C
(64°F)		 16°C
(61°F)		 15°C
(59°F)		 12°C
(53°F)		 9°C
(49°F)		 7°C
(45°F)		 6°C
(44°F)		 7°C
(45°F)		 8°C
(47°F)		 11°C
(52°F)		 13°C
(56°F)		 15°C
(60°F)
Average low 12°C
(53°F)		 11°C
(51°F)		 10°C
(50°F)		 7°C
(45°F)		 5°C
(41°F)		 3°C
(38°F)		 3°C
(37°F)		 3°C
(37°F)		 3°C
(39°F)		 6°C
(43°F)		 8°C
(46°F)		 10°C
(50°F)
Mean minimum 6°C
(43°F)		 4°C
(40°F)		 4°C
(40°F)		 1°C
(34°F)		 -1°C
(31°F)		 -1°C
(30°F)		 -3°C
(28°F)		 -2°C
(28°F)		 -2°C
(28°F)		 1°C
(34°F)		 1°C
(34°F)		 5°C
(41°F)
Minimum 4°C
(40°F)		 3°C
(37°F)		 1°C
(35°F)		 -2°C
(29°F)		 -2°C
(30°F)		 -4°C
(25°F)		 -4°C
(26°F)		 -3°C
(27°F)		 -3°C
(26°F)		 -1°C
(31°F)		 0°C
(32°F)		 3°C
(37°F)

Compare climate in Perth with other places

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

Monthly average precipitation in Perth, Tasmania, Australia §

Perth usually has the most precipitation in May, July and October, with an average of 11 rainy days and 84 mm (3.3 inches) of precipitation per month. The driest months in Perth are January, June and November. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Perth, Tasmania, Australia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 50 (2.0) 68 (2.7) 68 (2.7) 58 (2.3) 77 (3.0) 55 (2.2) 89 (3.5) 70 (2.8) 68 (2.7) 85 (3.4) 56 (2.2) 71 (2.8)
Average precipitation days (≥ 1 mm) 5 8 9 7 9 9 12 12 11 12 9 7

Monthly sunshine hours in Perth, Tasmania, Australia §

The sunniest months in Perth are October, November and December, when the sun shines an average of 10 hours 33 minutes a day. Least sunny months in Perth: 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 Perth, Tasmania, Australia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 296 296 286 249 217 190 210 235 260 298 318 354
Mean daily daylight hours 14h 46m 13h 41m 12h 19m 10h 56m 9h 46m 9h 11m 9h 29m 10h 29m 11h 48m 13h 12m 14h 27m 15h 6m

Solar UV radiation in Perth, Tasmania, Australia §

Perth experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 11 - 13, which corresponds to the Extreme category of sun exposure. May, June and July are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Perth UV Index data.

Average daily maximum UV levels by month for Perth, Tasmania, Australia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 13 11 10 6 3 2 2 4 6 8 11 13

Detailed Monthly Weather Insights for Perth, Tasmania, Australia

Discover in-depth weather details for every month in Perth. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Perth's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.