Vitamin D from sunlight in Australia
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 50 cities in Australia.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Sydney | 33.87°S | 58 m | 8 Jun – 10 Jul (33 days) |
| Melbourne | 37.81°S | 25 m | 13 May – 6 Aug (86 days) |
| Brisbane | 27.47°S | 27 m | none |
| Perth | 31.95°S | 34 m | none |
| Adelaide | 34.93°S | 59 m | 28 May – 21 Jul (55 days) |
| Gold Coast | 28.00°S | 12 m | none |
| Newcastle | 32.93°S | 48 m | none |
| Sunshine Coast | 26.66°S | 9 m | none |
| Canberra | 35.28°S | 571 m | 30 May – 20 Jul (52 days) |
| Central Coast | 33.43°S | 15 m | 13 Jun – 5 Jul (23 days) |
| Logan City | 27.64°S | 39 m | none |
| Geelong | 38.15°S | 23 m | 12 May – 8 Aug (89 days) |
| Wollongong | 34.42°S | 29 m | 3 Jun – 16 Jul (44 days) |
| Hobart | 42.88°S | 19 m | 24 Apr – 27 Aug (126 days) |
| Townsville | 19.27°S | 15 m | none |
| Cairns | 16.92°S | 7 m | none |
| Toowoomba | 27.56°S | 599 m | none |
| Darwin | 12.46°S | 31 m | none |
| Ballarat | 37.57°S | 445 m | 16 May – 4 Aug (81 days) |
| Mandurah | 32.53°S | 4 m | none |
| Bendigo | 36.76°S | 221 m | 19 May – 31 Jul (74 days) |
| Caloundra | 26.80°S | 8 m | none |
| Launceston | 41.44°S | 11 m | 29 Apr – 22 Aug (116 days) |
| Maitland | 32.73°S | 16 m | none |
| Tuggeranong | 35.42°S | 579 m | 29 May – 21 Jul (54 days) |
| Mackay | 21.15°S | 11 m | none |
| Rockhampton | 23.38°S | 13 m | none |
| Coffs Harbour | 30.30°S | 6 m | none |
| Bunbury | 33.33°S | 5 m | 9 Jun – 9 Jul (31 days) |
| Bundaberg | 24.87°S | 17 m | none |
| Adelaide Hills | 34.91°S | 426 m | 30 May – 19 Jul (51 days) |
| Hervey Bay | 25.29°S | 9 m | none |
| Port Macquarie | 31.43°S | 10 m | none |
| Gladstone | 23.85°S | 21 m | none |
| Tamworth | 31.09°S | 384 m | none |
| Dubbo | 32.24°S | 264 m | none |
| Orange | 33.28°S | 868 m | none |
| Wodonga | 36.12°S | 167 m | 22 May – 27 Jul (67 days) |
| Geraldton | 28.78°S | 15 m | none |
| St Albans | 37.74°S | 70 m | 14 May – 6 Aug (85 days) |
| Bathurst | 33.42°S | 670 m | none |
| Albany | 35.03°S | 14 m | 26 May – 23 Jul (59 days) |
| Mildura | 34.19°S | 56 m | 3 Jun – 15 Jul (43 days) |
| Frankston East | 38.13°S | 10 m | 12 May – 8 Aug (89 days) |
| Palmerston | 12.49°S | 36 m | none |
| Warrnambool | 38.38°S | 24 m | 10 May – 9 Aug (92 days) |
| Shepparton | 36.38°S | 115 m | 21 May – 29 Jul (70 days) |
| Liverpool | 33.92°S | 22 m | 7 Jun – 11 Jul (35 days) |
| Kwinana | 32.23°S | 7 m | none |
| Parramatta | 33.82°S | 26 m | 8 Jun – 10 Jul (33 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Australia →