Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 4.42 am (WST) Thursday 22 May 2025
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Station Name Observation
Time
Temp WBGT
sun
WBGT
shade
  AT
shade
Rel
Hum
Dew
Point
Wind (10m)
Dir Spd

WST °C °C°C°C % °C
km/h
Kimberley and Pilbara
Argyle 04:30 am 19.3 -- 14.6 18.2 45 7.1 ESE 2
Barrow Island 04:30 am 23.1 -- 17.4 14.7 40 9.1 E 43
Broome 04:30 am 14.8 -- 10.8 11.3 45 3.3 E 11
Curtin 04:30 am 15.4 -- 10.9 10.5 40 2.2 SE 17
Derby Airport 04:30 am 13.1 -- 10.4 10.0 60 5.5 S 11
Fitzroy Crossing 04:30 am 14.7 -- 10.9 12.2 50 3.8 ESE 6
Halls Creek 04:30 am 15.4 -- 11.0 12.6 45 2.9 ENE 7
Kalumburu 04:30 am 16.8 -- 15.1 17.0 80 12.9 SSW 4
Karijini North 04:30 am 16.8 -- 9.4 9.9 15 -10.8 E 20
Karratha Airport 04:30 am 14.5 -- 8.5 10.3 20 -7.5 ESE 7
Kununurra Airport 04:30 am 21.9 -- 16.2 18.4 40 7.3 ESE 15
Learmonth 04:30 am 11.6 -- 7.6 6.9 40 -1.5 SW 13
Newman 04:30 am 4.7 -- 0.9 -0.2 30 -12.2 SSE 9
Onslow 04:30 am 15.6 -- 10.7 10.5 35 0.6 E 17
Port Hedland 04:30 am 12.6 -- 7.8 7.6 30 -4.1 SSE 13
Roebourne Airport 04:30 am 18.0 -- 10.7 11.0 15 -7.4 ESE 22
Telfer 04:30 am 10.8 -- 6.1 4.3 30 -6.1 SE 20
Troughton Island 04:30 am 25.6      *      ESE 24
Wyndham 04:30 am 18.3 -- 14.9 16.6 60 9.9 SSE 9
Yampi Sound (Defence) 04:30 am 12.0 -- 11.3 11.7 90 10.1 S 2
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 04:30 am 9.4 -- 7.1 4.9 60 2.3 ESE 15
Eucla 04:30 am 11.6 -- 11.1 9.6 90 10.3 NNE 11
Forrest 04:30 am 13.7 -- 12.1 11.9 75 9.6 ESE 9
Giles 04:30 am 7.3 -- 4.4 3.2 50 -2.7 SE 9
Kalgoorlie Boulder Airport 04:30 am 7.9 -- 6.6 4.9 75 4.1 N 9
Laverton 04:30 am 5.9 -- 5.2 2.4 85 3.7 ENE 11
Leonora Airport 04:30 am 6.6 -- 5.6 5.2 80 3.6   Calm
Leinster 04:30 am 6.5 -- 4.7 2.5 65 0.8 NE 11
Meekatharra 04:30 am 7.9 -- 4.7 3.4 45 -3.0 SE 11
Mount Magnet 04:30 am 11.8 -- 8.4 7.2 50 1.7 NE 15
Norseman 04:30 am 6.1 -- 5.2 2.9 80 3.3 NE 9
Paraburdoo 04:30 am 10.3 -- 4.7 6.6 15 -13.6 E 2
Shark Bay 04:30 am 11.3 -- 9.8 8.6 75 7.2 E 11
Southern Cross Airport 04:30 am 4.0 -- 3.1 1.4 80 1.2 WNW 4
Warburton 04:30 am 8.2 -- 3.9 2.8 30 -8.7 ESE 13
Central and Lower West
Badgingarra 04:30 am 11.1 -- 8.4 7.9 60 3.2 NNE 9
Bickley 04:30 am 12.2 -- 9.5 8.2 60 4.7 N 15
Dwellingup Forestry 04:30 am 4.8 -- 4.5 1.8 95 3.9 NW 9
Garden Island 04:30 am 12.7 -- 12.1 11.4 90 11.1 ESE 9
Geraldton Airport 04:30 am 9.7 -- 7.1 4.7 55 1.4 NE 17
Gingin Airport 04:30 am 5.0 -- 3.8 2.4 75 0.9 N 4
Jandakot Airport 04:30 am 4.8 -- 4.3 3.3 90 3.1   Calm
Lancelin (Defence) 04:30 am 12.8 -- 11.0 9.5 75 8.1 NNE 15
Mandurah 04:30 am 11.5 -- 10.1 10.2 80 7.8 SE 4
Millendon (Swan Valley) 04:30 am 5.4 -- 5.0 4.1 90 4.2   Calm
Morawa 04:30 am 6.5 -- 4.4 4.4 60 -0.7   Calm
North Island 04:30 am 19.2 -- 15.3 16.2 55 9.4 NE 15
Pearce 04:30 am 7.2 -- 5.8 5.3 75 2.9 N 2
Perth Airport 04:30 am 7.7 -- 6.7 4.8 80 4.7 N 9
Perth Metro 04:30 am 7.6 -- 7.4 6.5 95 7.0 WSW 2
Rottnest Island 04:30 am 17.9 -- 15.6 16.2 70 12.4 NNE 13
Swanbourne 04:30 am 12.3 -- 10.3 9.9 70 7.0 ENE 9
South West
Bridgetown 04:30 am 0.8 -- 0.7 -1.1 100 0.5   Calm
Bunbury 04:30 am 6.1 -- 6.1 4.8 100 6.1 E 2
Busselton Airport 04:30 am 5.6 -- 5.6 2.5 100 5.5 SSE 11
Cape Leeuwin 04:30 am 19.7 -- 16.8 14.0 65 12.9 WNW 35
Cape Naturaliste 04:30 am 16.3 -- 15.3 15.9 85 14.0 N 9
Collie East 04:30 am 1.8 -- 1.6 -0.0 95 1.2   Calm
Manjimup 04:30 am 8.0 -- 7.6 5.2 90 6.8 NNW 11
Shannon 04:30 am 7.6 -- 7.6 5.3 100 7.6 N 9
Walpole 04:30 am 8.8 -- 8.4 6.9 95 7.7 NW 7
Witchcliffe 04:30 am 12.6 -- 12.6 10.9 100 12.6 N 13
Station Name Observation
Time
Temp WBGT
sun
WBGT
shade
  AT
shade
Rel
Hum
Dew
Point
Wind (10m)
Dir Spd

WST °C °C°C°C % °C
km/h
Southern Coastal and Wheatbelt
Albany Airport 04:30 am 8.4 -- 8.3 5.1 95 8.0 W 15
Cunderdin Airfield 04:30 am 5.0 -- 3.9 2.1 75 1.3 E 6
Dalwallinu 04:30 am 8.3 -- 6.3 5.5 65 2.1 NNE 6
Esperance 04:30 am 9.8 -- 8.2 5.1 75 5.2 N 19
Esperance Airport 04:30 am 8.9 -- 7.5 2.8 75 4.7 N 26
Hopetoun North 04:30 am 11.7 -- 9.7 7.0 70 6.2 N 20
Jacup 04:30 am 9.5 -- 8.1 5.6 75 5.5 N 15
Katanning 04:30 am 8.7 -- 7.2 6.1 75 4.3 NNW 7
Lake Grace 04:30 am 6.8 -- 5.7 4.1 80 3.6 N 7
Munglinup West 04:30 am 7.8 -- 6.6 3.7 80 4.2 NNE 15
Newdegate Research Stn 04:30 am 5.1 -- 4.5 3.2 85 3.1 ENE 2
Rocky Gully South 04:30 am 5.6 -- 5.1 2.6 90 4.1 NNW 9
Salmon Gums Research Stn 04:30 am 10.2 -- 8.4 6.2 70 5.0 N 15
Wandering 04:30 am 2.4 -- 2.0 -0.6 90 0.9 NW 6
North West Islands
Christmas Island 04:30 am 24.2 -- 23.6 24.9 95 23.0 SSE 24
Cocos Is 04:30 am 27.3 -- 25.6 29.5 80 24.0 ESE 19

Note: Calculation of the sun WBGT has been suppressed for this hour because the approximation used is not valid at these times.

The shade WBGT is calculated for an environment shaded from direct (and strong reflected) solar radiation and where surfaces are not significantly hotter or colder than the indicated air temperature.

* The calculation of AT requires an observation of temperature, humidity, and wind. If any of these are unavailable, the AT field is left blank.

The WBGT values displayed here should be used in conjunction with guidelines provided by Sports Medicine Australia (SMA).

The AT values displayed here are the Steadman Apparent Temperatures measured in the shade. The Apparent Temperature is an estimation of what the temperature "feels like" to an appropriately dressed adult. Direct exposure to the afternoon sun would add as much as 8C to the AT.

Further information About Thermal Comfort Observations including Wet Bulb Globe Temperature (WBGT) and Apparent Temperature (AT).