Climate Insights for Coolawanyah Station Airport

Ashburton, State of Western Australia, Australia

Hottest
December
39°C peak
Coldest
July
13°C low
Wettest
March
79mm rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Coolawanyah Station Airport is hot. The average annual temperature is 27°C and approximately 308mm of precipitation falls per year. March is the wettest month, receiving around 79mm of rainfall. Coolawanyah Station Airport is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: December, January, November. The coldest months are July, August, June, when temperatures can drop to 13°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 38° Average: 32° Min: 27° Feb Max: 38° Average: 32° Min: 26° Mar Max: 38° Average: 32° Min: 26° Apr Max: 35° Average: 29° Min: 23° May Max: 30° Average: 23° Min: 17° Jun Max: 26° Average: 19° Min: 14° Jul Max: 26° Average: 19° Min: 13° Aug Max: 28° Average: 21° Min: 13° Sep Max: 32° Average: 25° Min: 17° Oct Max: 36° Average: 29° Min: 21° Nov Max: 38° Average: 31° Min: 23° Dec Max: 39° Average: 33° Min: 26°
Max
Average
Min

Temperatures in Coolawanyah Station Airport vary considerably across the year, with a 26°C difference between the coldest and warmest months. December is the hottest month, with daytime highs reaching 39°C and an average of 33°C. July is the coolest month, with minimum temperatures around 13°C and an average of 19°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 6°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 64mm Feb Precipitation: 63mm Mar Precipitation: 79mm Apr Precipitation: 5mm May Precipitation: 11mm Jun Precipitation: 46mm Jul Precipitation: 9mm Aug Precipitation: 2mm Sep Precipitation: 1mm Oct Precipitation: 1mm Nov Precipitation: 2mm Dec Precipitation: 25mm
Precipitation

Coolawanyah Station Airport is a quite dry location, receiving approximately 308mm of precipitation annually, which averages out to around 26mm per month. The wettest month is March, averaging 79mm of rainfall. January and February also tend to see above-average precipitation. The driest month is October, with just 1mm. That's 79mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 4km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 4km/h May Wind Speed: 4km/h Jun Wind Speed: 4km/h Jul Wind Speed: 4km/h Aug Wind Speed: 4km/h Sep Wind Speed: 4km/h Oct Wind Speed: 5km/h Nov Wind Speed: 5km/h Dec Wind Speed: 4km/h
Wind Speed

Coolawanyah Station Airport is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

84 days until Spring

It is currently winter in Coolawanyah Station Airport, which began on June 21, 2026. Coolawanyah Station Airport is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in December at around 39°C, while the coldest stretch bottoms out in July near 13°C. Spring is next, beginning on September 23, 2026 — 84 days from now.

Spring

Temperatures range from 17 to 38°C. Precipitation is minimal, with only around 4mm for the entire season. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 26 to 39°C. Precipitation is moderate at around 152mm for the season, averaging 51mm per month. Winds are generally light, averaging 4km/h. Stay hydrated, wear sun protection, and seek shade during the hottest hours of the day.

Autumn

Temperatures range from 17 to 38°C. Rainfall is relatively light, with around 95mm over the season and a monthly average of 32mm. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 13 to 28°C. Rainfall is relatively light, with around 57mm over the season and a monthly average of 19mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 32°
Feb 32°
Mar 32°
Apr 29°
May 23°
Jun 19°
Jul 19°
Aug 21°
Sep 25°
Oct 29°
Nov 31°
Dec 33°

The best time to visit Coolawanyah Station Airport is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 14mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 39°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Coolawanyah Station Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
27 °C
38 °C
4 km/h
64 mm
0 cm
Feb
26 °C
38 °C
4 km/h
63 mm
0 cm
Mar
26 °C
38 °C
4 km/h
79 mm
0 cm
Apr
23 °C
35 °C
4 km/h
5 mm
0 cm
May
17 °C
30 °C
4 km/h
11 mm
0 cm
Jun
14 °C
26 °C
4 km/h
46 mm
0 cm
Jul Current
13 °C
26 °C
4 km/h
9 mm
0 cm
Aug
13 °C
28 °C
4 km/h
2 mm
0 cm
Sep
17 °C
32 °C
4 km/h
1 mm
0 cm
Oct
21 °C
36 °C
5 km/h
1 mm
0 cm
Nov
23 °C
38 °C
5 km/h
2 mm
0 cm
Dec
26 °C
39 °C
4 km/h
25 mm
0 cm
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