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Monthly climate in Tumby Bay, South Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Tumby Bay features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 12 °C (53 °F) and 20 °C (69 °F) through the year, but rarely can drop to 4 °C (39 °F) or can rise to as high as 42 °C (108 °F). The average annual precipitation amounts to about 331 mm (13.0 inches) and receives 61 rainy days on the 1 mm (0.04 inches) threshold annually. Tumby Bay enjoys an average of 3336 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 23 minutes per day.

Monthly average temperatures in Tumby Bay, South Australia, Australia §

The warmest months in Tumby Bay are January, February and March, with daily mean temperatures ranging from 19 to 20 °C (67 - 69 °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 - 54 °F) throughout the day. On average each year, Tumby Bay experiences 45 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 Tumby Bay, 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 42°C
(108°F)		 37°C
(99°F)		 37°C
(99°F)		 35°C
(95°F)		 27°C
(81°F)		 22°C
(71°F)		 20°C
(68°F)		 23°C
(73°F)		 28°C
(83°F)		 36°C
(96°F)		 41°C
(105°F)		 40°C
(104°F)
Mean maximum 38°C
(100°F)		 32°C
(91°F)		 33°C
(92°F)		 31°C
(87°F)		 23°C
(75°F)		 19°C
(66°F)		 19°C
(67°F)		 21°C
(71°F)		 27°C
(80°F)		 30°C
(87°F)		 34°C
(93°F)		 34°C
(94°F)
Average high 24°C
(76°F)		 23°C
(74°F)		 23°C
(73°F)		 21°C
(71°F)		 18°C
(64°F)		 15°C
(60°F)		 15°C
(59°F)		 15°C
(59°F)		 17°C
(63°F)		 19°C
(67°F)		 21°C
(70°F)		 23°C
(73°F)
Daily mean 20°C
(69°F)		 20°C
(68°F)		 19°C
(67°F)		 17°C
(64°F)		 14°C
(58°F)		 12°C
(54°F)		 12°C
(53°F)		 12°C
(53°F)		 13°C
(56°F)		 15°C
(59°F)		 17°C
(63°F)		 18°C
(66°F)
Average low 17°C
(63°F)		 17°C
(62°F)		 16°C
(61°F)		 14°C
(58°F)		 11°C
(53°F)		 9°C
(48°F)		 9°C
(48°F)		 9°C
(48°F)		 10°C
(50°F)		 11°C
(53°F)		 13°C
(56°F)		 15°C
(59°F)
Mean minimum 13°C
(56°F)		 13°C
(55°F)		 13°C
(55°F)		 11°C
(51°F)		 8°C
(47°F)		 6°C
(43°F)		 6°C
(42°F)		 5°C
(41°F)		 6°C
(43°F)		 8°C
(46°F)		 9°C
(48°F)		 11°C
(53°F)
Minimum 12°C
(53°F)		 11°C
(51°F)		 12°C
(53°F)		 8°C
(47°F)		 7°C
(46°F)		 4°C
(39°F)		 4°C
(40°F)		 4°C
(40°F)		 5°C
(41°F)		 7°C
(45°F)		 8°C
(46°F)		 11°C
(51°F)

Compare climate in Tumby Bay with other places

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

Monthly average precipitation in Tumby Bay, South Australia, Australia §

Tumby Bay usually has the most precipitation in August, September and October, with an average of 7 rainy days and 40 mm (1.6 inches) of precipitation per month. The driest months in Tumby Bay are January, March and April. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tumby Bay, 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) 20 (0.8) 24 (1.0) 9 (0.4) 14 (0.5) 28 (1.1) 31 (1.2) 31 (1.2) 54 (2.1) 34 (1.3) 34 (1.3) 30 (1.2) 21 (0.8)
Average precipitation days (≥ 1 mm) 3 3 2 3 6 7 7 9 6 7 5 3

Monthly sunshine hours in Tumby Bay, South Australia, Australia §

The sunniest months in Tumby Bay are October, November and December, when the sun shines an average of 10 hours 41 minutes a day. Least sunny months in Tumby Bay: May, June and July receive an average of 7 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tumby Bay, 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 282 289 299 252 237 223 238 252 276 308 323 351
Mean daily daylight hours 14h 8m 13h 18m 12h 15m 11h 11m 10h 18m 9h 52m 10h 5m 10h 51m 11h 52m 12h 56m 13h 53m 14h 23m

Solar UV radiation in Tumby Bay, South Australia, Australia §

Tumby Bay experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 15, 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 5. For more detailed information, check out our hourly Tumby Bay UV Index data.

Average daily maximum UV levels by month for Tumby Bay, 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) 14 13 12 8 5 3 4 5 8 10 12 15

Detailed Monthly Weather Insights for Tumby Bay, South Australia, Australia

Discover in-depth weather details for every month in Tumby Bay. 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 Tumby Bay'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.