Rocky Gully, Western Australia

Rocky Gully
Rocky Gully General Store
Rocky Gully
Interactive map of Rocky Gully
Coordinates: 34°30′34″S 117°00′42″E / 34.50944°S 117.01167°E / -34.50944; 117.01167
CountryAustralia
StateWestern Australia
LGA
Location
Established1951
Government
 • State electorate
 • Federal division
Area
 • Total
883.3 km2 (341.0 sq mi)
Elevation286 m (938 ft)
Population
 • Total92 (SAL 2021)[2]
Postcode
6397
Mean max temp21.0 °C (69.8 °F)[3]
Mean min temp9.7 °C (49.5 °F)[3]
Annual rainfall712.1 mm (28.04 in)[3]
Localities around Rocky Gully
Frankland River Frankland River Perillup
Lake Muir Rocky Gully Perillup
North Walpole Trent Mount Romance

Rocky Gully is a small town and locality of the Shire of Plantagenet in the Great Southern region of Western Australia. A large part of the south of the locality is covered by the Mount Roe National Park. Additionally, the Tootanellup Nature Reserve is also located within Rocky Gully.[4][5]

The town is located along the Muir Highway, about 8 kilometres (5 mi) from the Kent River.

History

A site was selected for a town when land in the area was sub-divided in the 1930s. By 1951 a small community was established as part of the War Service land settlement scheme and the townsite was gazetted.[6]

Geography

Climate

Rocky Gully has a warm-summer mediterranean climate (Köppen: Csb); with warm, dry summers and mild, moderately wet winters.[7] Extreme temperatures ranged from 43.3 °C (109.9 °F) on 1 February 2024 to −0.4 °C (31.3 °F) on 13 July 2016 and 24 August 2016. The wettest recorded day was 2 April 2005 with 84.2 mm (3.31 in) of rainfall.[8]

Climate data for Rocky Gully (34°34′S 117°01′E / 34.57°S 117.01°E / -34.57; 117.01) (250 m (820 ft) AMSL) (1963-2025)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 43.1
(109.6)
43.3
(109.9)
40.7
(105.3)
35.0
(95.0)
29.3
(84.7)
22.7
(72.9)
21.5
(70.7)
24.6
(76.3)
27.4
(81.3)
34.0
(93.2)
38.1
(100.6)
41.8
(107.2)
43.3
(109.9)
Mean daily maximum °C (°F) 27.6
(81.7)
27.5
(81.5)
25.2
(77.4)
21.9
(71.4)
18.6
(65.5)
15.7
(60.3)
14.7
(58.5)
15.5
(59.9)
16.8
(62.2)
19.4
(66.9)
22.9
(73.2)
25.7
(78.3)
21.0
(69.7)
Mean daily minimum °C (°F) 12.7
(54.9)
13.3
(55.9)
12.7
(54.9)
10.9
(51.6)
9.2
(48.6)
7.7
(45.9)
6.6
(43.9)
6.9
(44.4)
7.2
(45.0)
8.2
(46.8)
9.8
(49.6)
11.1
(52.0)
9.7
(49.5)
Record low °C (°F) 3.2
(37.8)
5.3
(41.5)
4.2
(39.6)
2.7
(36.9)
1.2
(34.2)
0.3
(32.5)
−0.4
(31.3)
−0.4
(31.3)
0.1
(32.2)
0.9
(33.6)
0.5
(32.9)
3.0
(37.4)
−0.4
(31.3)
Average precipitation mm (inches) 18.5
(0.73)
18.4
(0.72)
36.0
(1.42)
54.0
(2.13)
75.8
(2.98)
93.8
(3.69)
111.5
(4.39)
97.8
(3.85)
91.4
(3.60)
55.5
(2.19)
41.6
(1.64)
25.4
(1.00)
712.1
(28.04)
Average precipitation days (≥ 0.2 mm) 7.2 6.8 10.4 13.6 17.2 19.7 21.5 20.2 20.0 16.1 12.0 7.8 172.5
Average afternoon relative humidity (%) 44 44 48 54 61 70 71 69 68 63 53 46 58
Average dew point °C (°F) 10.6
(51.1)
10.9
(51.6)
10.1
(50.2)
9.9
(49.8)
8.8
(47.8)
8.5
(47.3)
7.8
(46.0)
7.9
(46.2)
8.3
(46.9)
9.1
(48.4)
9.7
(49.5)
9.7
(49.5)
9.3
(48.7)
Source: Bureau of Meteorology (1996-2025)[3]

Nature reserve

The Tootanellup Nature Reserve was gazetted on 24 November 1944, has a size of 9.44 square kilometres (3.64 mi2), and is located within the Jarrah Forest bioregion.[9]

References

  1. ^ Australian Bureau of Statistics (28 June 2022). "Rocky Gully (WA) (suburb and locality)". Australian Census 2021 QuickStats. Retrieved 28 June 2022. 
  2. ^ Australian Bureau of Statistics (28 June 2022). "Rocky Gully (WA) (suburb and locality)". Australian Census 2021 QuickStats. Retrieved 28 June 2022. 
  3. ^ a b c d e "Rocky Gully Climate Statistics (1996-2025)". Bureau of Meteorology. Retrieved 10 January 2026.
  4. ^ "SLIP Map". maps.slip.wa.gov.au. Landgate. Retrieved 15 October 2024.
  5. ^ "NationalMap". nationalmap.gov.au. Geoscience Australia. Retrieved 15 October 2024.
  6. ^ "History of country town names – R". Landgate. Archived from the original on 14 March 2022. Retrieved 12 October 2008.
  7. ^ "Climate classification maps: Köppen - all classes". Bureau of Meteorology. Retrieved 10 January 2026.
  8. ^ "Karnet Climate (1963-2025)". FarmOnline Weather. Australian Community Media. Retrieved 10 January 2026.
  9. ^ "Terrestrial CAPAD 2022 WA summary". www.dcceew.gov.au/. Department of Climate Change, Energy, the Environment and Water. Retrieved 7 November 2024.