Newcastle-under-Lyme experiences a moderate climate with cold winters and mild summers. The coldest months are January, February, and December, with average temperatures ranging from 2-5°C, often dipping below freezing. Spring arrives in March and April, with temperatures gradually warming up to around 5-8°C. Summer brings the warmest months of June, July, and August, with highs reaching as high as 23-29°C, although overnight lows can still be cool. Autumn is generally mild, with September and October averaging around 10-14°C before temperatures drop again in November.