derby's climate is classified as warm and temperate. the rainfall in derby is significant, with precipitation even during the driest month. this location is classified as cfb according to the köppen climate classification. under the köppen climatic classification, derby, in spite of its distance to large bodies of water, has an oceanic climate along with the rest of the british isles. the average annual temperature is 9.7 °c in derby. precipitation here averages 694 mm.