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Monthly climate in Southern Cross, Western Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Southern Cross features a cold semi-arid climate (BSk). Temperatures typically range between 11 °C (52 °F) and 27 °C (80 °F) through the year, but rarely can drop to 0 °C (31 °F) or can rise to as high as 44 °C (112 °F). The average annual precipitation amounts to about 265 mm (10.4 inches) and receives 41 rainy days on the 1 mm (0.04 inches) threshold annually. Southern Cross enjoys an average of 3621 hours of sunshine throughout the year, and daylight varies from 10 hours 8 minutes to 14 hours 7 minutes per day.

Monthly average temperatures in Southern Cross, Western Australia, Australia §

The warmest months in Southern Cross are January, February and December, with daily mean temperatures ranging from 25 to 27 °C (78 - 80 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (52 - 54 °F) throughout the day. On average each year, Southern Cross experiences 170 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 Southern Cross, Western Australia, 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 44°C
(112°F)		 42°C
(107°F)		 41°C
(106°F)		 38°C
(100°F)		 30°C
(86°F)		 28°C
(83°F)		 25°C
(78°F)		 31°C
(89°F)		 34°C
(94°F)		 38°C
(100°F)		 43°C
(109°F)		 44°C
(112°F)
Mean maximum 42°C
(109°F)		 40°C
(104°F)		 39°C
(102°F)		 35°C
(95°F)		 28°C
(84°F)		 23°C
(73°F)		 22°C
(71°F)		 27°C
(80°F)		 32°C
(90°F)		 34°C
(94°F)		 38°C
(101°F)		 41°C
(105°F)
Average high 34°C
(94°F)		 32°C
(90°F)		 30°C
(87°F)		 26°C
(79°F)		 21°C
(70°F)		 18°C
(64°F)		 17°C
(62°F)		 17°C
(64°F)		 22°C
(72°F)		 25°C
(78°F)		 29°C
(84°F)		 33°C
(92°F)
Daily mean 27°C
(80°F)		 25°C
(78°F)		 23°C
(74°F)		 20°C
(67°F)		 14°C
(58°F)		 12°C
(54°F)		 11°C
(52°F)		 11°C
(53°F)		 15°C
(59°F)		 18°C
(65°F)		 22°C
(71°F)		 25°C
(78°F)
Average low 18°C
(65°F)		 19°C
(66°F)		 17°C
(63°F)		 14°C
(57°F)		 9°C
(48°F)		 7°C
(45°F)		 6°C
(44°F)		 6°C
(43°F)		 8°C
(47°F)		 11°C
(52°F)		 14°C
(57°F)		 17°C
(63°F)
Mean minimum 13°C
(55°F)		 12°C
(54°F)		 10°C
(51°F)		 7°C
(45°F)		 3°C
(38°F)		 3°C
(38°F)		 2°C
(35°F)		 1°C
(35°F)		 2°C
(36°F)		 5°C
(41°F)		 7°C
(45°F)		 9°C
(49°F)
Minimum 10°C
(50°F)		 9°C
(48°F)		 8°C
(47°F)		 4°C
(40°F)		 0°C
(33°F)		 0°C
(33°F)		 1°C
(33°F)		 0°C
(33°F)		 -0°C
(31°F)		 4°C
(39°F)		 5°C
(42°F)		 7°C
(45°F)

Compare climate in Southern Cross with other places

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

Monthly average precipitation in Southern Cross, Western Australia, Australia §

Southern Cross usually has the most precipitation in February, July and August, with an average of 6 rainy days and 36 mm (1.4 inches) of precipitation per month. The driest months in Southern Cross are January, September and December. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Southern Cross, Western Australia, 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) 12 (0.5) 47 (1.8) 22 (0.9) 17 (0.7) 22 (0.9) 29 (1.1) 31 (1.2) 29 (1.1) 10 (0.4) 18 (0.7) 22 (0.9) 7 (0.3)
Average precipitation days (≥ 1 mm) 2 5 3 2 3 4 7 6 3 3 2 1

Monthly sunshine hours in Southern Cross, Western Australia, Australia §

The sunniest months in Southern Cross are October, November and December, when the sun shines an average of 11 hours 27 minutes a day. Least sunny months in Southern Cross: May, June and July receive an average of 8 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Southern Cross, Western Australia, 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 304 297 319 286 274 242 263 282 295 332 347 374
Mean daily daylight hours 13h 54m 13h 10m 12h 14m 11h 17m 10h 31m 10h 8m 10h 19m 11h 0m 11h 53m 12h 50m 13h 41m 14h 7m

Solar UV radiation in Southern Cross, Western Australia, Australia §

Southern Cross experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Southern Cross UV Index data.

Average daily maximum UV levels by month for Southern Cross, Western Australia, 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) 15 15 13 9 6 4 5 7 9 11 14 15

Detailed Monthly Weather Insights for Southern Cross, Western Australia, Australia

Discover in-depth weather details for every month in Southern Cross. 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 Southern Cross'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.