Norwich experiences temperate and changeable climate. Summers are warm with unpredictable weather. The days are sunny and warm with moderate temperature generally in the months of June to August. The average maximum summer temperature in Norwich remains around 20°C / 68°F. The temperature rises some times during the day.
Rainfall could be expected at any time in the year but most of the precipitation occurs during the months of October and November, which are supposed to be the wettest months in Norwich. Winters are very cool in the city especially in the months of December, January, and February. Snowfall is infrequent with heavy chilly winds. The daytime temperature in winters remains around 7°C / 45°F.