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Monthly climate in Whyalla, South Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Whyalla features a cold semi-arid climate (BSk). Temperatures typically range between 12 °C (53 °F) and 25 °C (77 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 48 °C (119 °F). The average annual precipitation amounts to about 227 mm (8.9 inches) and receives 37 rainy days on the 1 mm (0.04 inches) threshold annually. Whyalla enjoys an average of 3485 hours of sunshine throughout the year, and daylight varies from 9 hours 59 minutes to 14 hours 16 minutes per day.

Monthly average temperatures in Whyalla, South Australia, Australia §

The warmest months in Whyalla are January, February and December, with daily mean temperatures ranging from 23 to 25 °C (74 - 77 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 12 to 12 °C (53 - 55 °F) throughout the day. On average each year, Whyalla experiences 140 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 Whyalla, South 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 48°C
(119°F)		 44°C
(112°F)		 42°C
(107°F)		 40°C
(104°F)		 30°C
(87°F)		 25°C
(77°F)		 25°C
(76°F)		 27°C
(81°F)		 35°C
(96°F)		 40°C
(104°F)		 44°C
(111°F)		 48°C
(118°F)
Mean maximum 44°C
(112°F)		 40°C
(104°F)		 38°C
(101°F)		 35°C
(95°F)		 27°C
(81°F)		 21°C
(71°F)		 23°C
(75°F)		 26°C
(79°F)		 33°C
(92°F)		 36°C
(97°F)		 40°C
(104°F)		 43°C
(109°F)
Average high 31°C
(89°F)		 30°C
(86°F)		 29°C
(84°F)		 26°C
(78°F)		 20°C
(69°F)		 17°C
(63°F)		 18°C
(64°F)		 18°C
(65°F)		 23°C
(73°F)		 25°C
(78°F)		 27°C
(81°F)		 30°C
(86°F)
Daily mean 25°C
(77°F)		 24°C
(75°F)		 23°C
(73°F)		 19°C
(67°F)		 15°C
(59°F)		 12°C
(53°F)		 12°C
(53°F)		 12°C
(55°F)		 16°C
(61°F)		 19°C
(66°F)		 21°C
(70°F)		 23°C
(74°F)
Average low 19°C
(66°F)		 18°C
(64°F)		 17°C
(63°F)		 14°C
(57°F)		 10°C
(50°F)		 7°C
(44°F)		 7°C
(44°F)		 7°C
(45°F)		 9°C
(48°F)		 12°C
(54°F)		 14°C
(58°F)		 17°C
(62°F)
Mean minimum 14°C
(58°F)		 13°C
(56°F)		 12°C
(53°F)		 9°C
(49°F)		 5°C
(41°F)		 3°C
(37°F)		 2°C
(36°F)		 2°C
(36°F)		 5°C
(41°F)		 6°C
(43°F)		 9°C
(48°F)		 12°C
(53°F)
Minimum 13°C
(55°F)		 12°C
(54°F)		 10°C
(50°F)		 8°C
(47°F)		 4°C
(39°F)		 -0°C
(32°F)		 1°C
(34°F)		 1°C
(34°F)		 3°C
(38°F)		 6°C
(42°F)		 8°C
(47°F)		 10°C
(51°F)

Compare climate in Whyalla with other places

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

Monthly average precipitation in Whyalla, South Australia, Australia §

Whyalla usually has the most precipitation in August, October and November, with an average of 4 rainy days and 28 mm (1.1 inches) of precipitation per month. The driest months in Whyalla are March, May and September. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Whyalla, South 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) 16 (0.6) 19 (0.7) 6 (0.3) 18 (0.7) 16 (0.6) 21 (0.8) 16 (0.6) 23 (0.9) 14 (0.6) 21 (0.8) 38 (1.5) 17 (0.7)
Average precipitation days (≥ 1 mm) 2 1 1 2 3 4 3 5 4 3 6 3

Monthly sunshine hours in Whyalla, South Australia, Australia §

The sunniest months in Whyalla are October, November and December, when the sun shines an average of 10 hours 59 minutes a day. Least sunny months in Whyalla: May, June and July receive an average of 7 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Whyalla, South 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 291 308 316 273 252 232 247 260 292 319 332 358
Mean daily daylight hours 14h 2m 13h 15m 12h 15m 11h 14m 10h 24m 9h 59m 10h 11m 10h 55m 11h 53m 12h 53m 13h 48m 14h 16m

Solar UV radiation in Whyalla, South Australia, Australia §

Whyalla experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 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 Whyalla UV Index data.

Average daily maximum UV levels by month for Whyalla, South 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 14 12 9 6 4 4 6 8 11 13 15

Detailed Monthly Weather Insights for Whyalla, South Australia, Australia

Discover in-depth weather details for every month in Whyalla. 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 Whyalla'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.