Climate Insights for Derby

The climate in Derby is hot. The average annual temperature is 28°C and approximately 830mm of precipitation falls per year. January is the wettest month, receiving around 354mm of rainfall. Derby 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, March, November. The coldest months are July, June, August, when temperatures can drop to 20°C.

Derby sees moderate temperature variation throughout the year, ranging from 20°C to 32°C. The warmest month is December, when average highs reach 32°C and the mean temperature sits around 30°C. July is the coolest month, with minimum temperatures around 20°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Derby is a moderately rainy area, receiving approximately 830mm of precipitation annually, which averages out to around 69mm per month. The wettest month is January, averaging 354mm of rainfall. December and February also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 353mm 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.

Derby 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 December, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/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, 26km/h in summer, 23km/h in autumn.

It is currently autumn in Derby, which began on March 20, 2026. Derby 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 32°C, while the coldest stretch bottoms out in July near 20°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Derby is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 2mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 32°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Derby 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.