Derby Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Derby.
Climate overview of Derby
The climate in Derby, Western Australia, Australia, is remarkably consistent, with temperatures year-round averaging 33°C (91°F). The warmest month is November at 36°C (97°F), and the coolest is July at 30°C (86°F).
Derby sees a moderate amount of rainfall, totalling around 729 mm (29 in) per year. It experiences a distinct dry season from April to November, creating some seasonal variation.
Derby Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Derby - and find the best time to visit.
Monthly Temperature in Derby
In Derby temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a very hot 36°C (97°F) in November, the warmest time of the year, to a comfortable 30°C (86°F) during cooler months like July.
At night, you can expect temperatures ranging from 27°C (81°F) in November to around 19°C (66°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Derby
On average, Derby receives a reasonable amount of rainfall, with an annual precipitation of 729 mm (29 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, January it receives heavy rainfall, averaging 215 mm (8.5 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month September brings less rainfall, with 0.2 mm (0.01 in) over 0 rainy days. For more details, please visit our Derby Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Derby
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: January, March, April, October, November and December
- Fewer rainy days: June, July, August, September and October
- Wettest months: January, February, March and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from April to November
Frequently asked questions about the climate in Derby
What is the best time to visit Derby?
June, July and August typically offer the most optimal weather in Derby. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Derby has a distinct dry season from April to November.
What temperatures can I expect in Derby?
Daytime highs range from 30°C (86°F) in July to 36°C (97°F) in November. Nighttime lows range from 19°C (66°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Derby get?
Annual rainfall is around 729 mm (29 in). January is the wettest month with 215 mm (8.5 in), while September is the driest with 0.2 mm (0.01 in).
Derby 3-Day Forecast
Derby on the map
Derby is highlighted - select any city to see its climate.
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