Climate Insights for Barkly Downs

Boulia, State of Queensland, Australia

Hottest
December
39°C peak
Coldest
July
11°C low
Wettest
March
74mm rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Barkly Downs is hot. The average annual temperature is 26°C and approximately 263mm of precipitation falls per year. March is the wettest month, receiving around 74mm of rainfall. Barkly Downs 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, June, August, when temperatures can drop to 11°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 38° Average: 33° Min: 27° Feb Max: 38° Average: 31° Min: 25° Mar Max: 36° Average: 30° Min: 24° Apr Max: 33° Average: 27° Min: 20° May Max: 28° Average: 21° Min: 15° Jun Max: 25° Average: 18° Min: 11° Jul Max: 25° Average: 18° Min: 11° Aug Max: 27° Average: 19° Min: 12° Sep Max: 32° Average: 24° Min: 17° Oct Max: 35° Average: 28° Min: 21° Nov Max: 38° Average: 31° Min: 24° Dec Max: 39° Average: 33° Min: 27°
Max
Average
Min

Temperatures in Barkly Downs vary considerably across the year, with a 28°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 11°C and an average of 18°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 5°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: 72mm Feb Precipitation: 32mm Mar Precipitation: 74mm Apr Precipitation: 1mm May Precipitation: 7mm Jun Precipitation: 13mm Jul Precipitation: 8mm Aug Precipitation: 3mm Sep Precipitation: 10mm Oct Precipitation: 7mm Nov Precipitation: 3mm Dec Precipitation: 31mm
Precipitation

Barkly Downs is a quite dry location, receiving approximately 263mm of precipitation annually, which averages out to around 22mm per month. The wettest month is March, averaging 74mm of rainfall. January and February also tend to see above-average precipitation. The driest month is April, with just 1mm. That's 74mm 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: 4km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Barkly Downs 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 May, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, 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 0km/h between the calmest and windiest months.

Seasons

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

90 days until Spring

It is currently winter in Barkly Downs, which began on June 21, 2026. Barkly Downs 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 11°C. Spring is next, beginning on September 23, 2026 — 90 days from now.

Spring

Temperatures range from 17 to 38°C. Precipitation is minimal, with only around 21mm for the entire season. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 25 to 39°C. Rainfall is relatively light, with around 136mm over the season and a monthly average of 45mm. 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 15 to 36°C. Rainfall is relatively light, with around 82mm over the season and a monthly average of 27mm. 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 11 to 27°C. Precipitation is minimal, with only around 24mm for the entire season. 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 33°
Feb 31°
Mar 30°
Apr 27°
May 21°
Jun 18°
Jul 18°
Aug 19°
Sep 24°
Oct 28°
Nov 31°
Dec 33°

The best time to visit Barkly Downs is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 8mm 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 Barkly Downs 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
72 mm
0 cm
Feb
25 °C
38 °C
4 km/h
32 mm
0 cm
Mar
24 °C
36 °C
4 km/h
74 mm
0 cm
Apr
20 °C
33 °C
4 km/h
1 mm
0 cm
May
15 °C
28 °C
4 km/h
7 mm
0 cm
Jun Current
11 °C
25 °C
4 km/h
13 mm
0 cm
Jul
11 °C
25 °C
4 km/h
8 mm
0 cm
Aug
12 °C
27 °C
4 km/h
3 mm
0 cm
Sep
17 °C
32 °C
4 km/h
10 mm
0 cm
Oct
21 °C
35 °C
4 km/h
7 mm
0 cm
Nov
24 °C
38 °C
4 km/h
3 mm
0 cm
Dec
27 °C
39 °C
4 km/h
31 mm
0 cm
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