Climate Insights for Derby

The climate in Derby is temperate. The average annual temperature is 17°C and approximately 696mm of precipitation falls per year. December is the wettest month, receiving around 134mm 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: October, November, January. The coldest months are July, June, August, when temperatures can drop to 4°C.

Temperatures in Derby vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is October, when average highs reach 27°C and the mean temperature sits around 20°C. July is the coolest month, with minimum temperatures around 4°C and an average of 11°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 4°C shift in average temperatures.

Derby is a relatively dry area, receiving approximately 696mm of precipitation annually, which averages out to around 58mm per month. The wettest month is December, averaging 134mm of rainfall. February and January also tend to see above-average precipitation. The driest month is August, with just 2mm. That's 132mm less than December, 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 relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.

It is currently winter in Derby, which began on June 21, 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 October at around 27°C, while the coldest stretch bottoms out in July near 4°C. Spring is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Derby is during March, April, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 55mm per month. By contrast, July can be quite cold with temperatures dropping to 4°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

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.