Derby, where it's located

The climate of Derby is oceanic, with quite cold, rainy winters and mild, relatively rainy summers.
The city is located in the center of England, in Derbyshire.
The average temperature of the coldest months (January, February) is of 4.4 °C (40 °F), that of the warmest month (July) is of 16.8 °C (62 °F). Here are the average temperatures.
Derby - Average temperatures
Min (°C)2134710121210742
Max (°C)781013161922211814107
Min (°F)363437394550545450453936
Max (°F)454650556166727064575045

Precipitation amounts to 620 millimeters (24.4 inches) per year: so, it is at an intermediate level. It ranges from 40 mm (1.6 in) in the driest month (February) to 60 mm (2.4 in) in the wettest ones (June, October). Here is the average precipitation.
Derby - Average precipitation

On average, there are around 1,420 sunshine hours per year. So, the sun doesn't shine often. Here are the average sunshine hours per day.
Derby - Sunshine


Best Time

The best time to visit Derby is the summer, or more generally from mid-May to mid-September: temperatures are generally good for outdoors activities, although it's better to bring an umbrella, and a sweatshirt or sweater for the evening or for cool days.