Climate Insights for Koolan Central Airport

Derby-West Kimberley, State of Western Australia, Australia

Hottest
April
30°C peak
Coldest
July
23°C low
Wettest
January
423mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Koolan Central Airport is hot. The average annual temperature is 28°C and approximately 1171mm of precipitation falls per year. January is the wettest month, receiving around 423mm of rainfall. Koolan Central 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: April, March, December. The coldest months are July, August, June, when temperatures can drop to 23°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 30° Average: 29° Min: 28° Feb Max: 30° Average: 29° Min: 28° Mar Max: 30° Average: 29° Min: 28° Apr Max: 30° Average: 30° Min: 28° May Max: 29° Average: 28° Min: 26° Jun Max: 28° Average: 26° Min: 25° Jul Max: 26° Average: 25° Min: 23° Aug Max: 26° Average: 25° Min: 24° Sep Max: 27° Average: 26° Min: 26° Oct Max: 28° Average: 28° Min: 27° Nov Max: 29° Average: 29° Min: 28° Dec Max: 30° Average: 29° Min: 29°
Max
Average
Min

Koolan Central Airport has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 30°C. July is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 423mm Feb Precipitation: 243mm Mar Precipitation: 163mm Apr Precipitation: 30mm May Precipitation: 47mm Jun Precipitation: 10mm Jul Precipitation: 3mm Aug Precipitation: 1mm Sep Precipitation: 5mm Oct Precipitation: 6mm Nov Precipitation: 18mm Dec Precipitation: 222mm
Precipitation

Koolan Central Airport is a moderately rainy area, receiving approximately 1171mm of precipitation annually, which averages out to around 98mm per month. The wettest month is January, averaging 423mm of rainfall. February and December also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 421mm less than January, 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 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 29km/h Feb Wind Speed: 26km/h Mar Wind Speed: 23km/h Apr Wind Speed: 22km/h May Wind Speed: 23km/h Jun Wind Speed: 24km/h Jul Wind Speed: 23km/h Aug Wind Speed: 24km/h Sep Wind Speed: 25km/h Oct Wind Speed: 27km/h Nov Wind Speed: 25km/h Dec Wind Speed: 27km/h
Wind Speed

Koolan Central Airport is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 24km/h in winter, 26km/h in spring, 27km/h in summer, 23km/h in autumn.

Seasons

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

88 days until Winter

It is currently autumn in Koolan Central Airport, which began on March 20, 2026. Koolan Central 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 April at around 30°C, while the coldest stretch bottoms out in July near 23°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from 26 to 29°C. Precipitation is minimal, with only around 29mm for the entire season. Winds are strong, averaging 26km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 28 to 30°C. Rainfall is heavy, totalling around 888mm across the season with a monthly average of 296mm. Winds are strong, averaging 27km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 30°C. Precipitation is moderate at around 240mm for the season, averaging 80mm per month. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 28°C. Precipitation is minimal, with only around 15mm for the entire season. Winds are moderate at around 24km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Koolan Central 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
28 °C
30 °C
29 km/h
423 mm
0 cm
Feb
28 °C
30 °C
26 km/h
243 mm
0 cm
Mar Current
28 °C
30 °C
23 km/h
163 mm
0 cm
Apr
28 °C
30 °C
22 km/h
30 mm
0 cm
May
26 °C
29 °C
23 km/h
47 mm
0 cm
Jun
25 °C
28 °C
24 km/h
10 mm
0 cm
Jul
23 °C
26 °C
23 km/h
3 mm
0 cm
Aug
24 °C
26 °C
24 km/h
1 mm
0 cm
Sep
26 °C
27 °C
25 km/h
5 mm
0 cm
Oct
27 °C
28 °C
27 km/h
6 mm
0 cm
Nov
28 °C
29 °C
25 km/h
18 mm
0 cm
Dec
29 °C
30 °C
27 km/h
222 mm
0 cm
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Metric (°C, km/h)