Keighley's winter months, January and February, are typically chilly with temperatures often below freezing, averaging around 2-4°C. As spring approaches in March, temperatures gradually rise, reaching averages of 6°C, with occasional warmer days up to 19°C. Summer brings warmth from June to August, with temperatures frequently above 15°C, peaking at 24-27°C in July and September. Autumn months see a decline in temperature, returning to averages around 7-11°C by October and November, while winter returns in December with temperatures hovering around the average of 5°C.