Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Tumby Bay, South Australia, Australia with other places around the world.
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.
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 |
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.
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 |
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.
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 |