Sheffield, where it's located

The climate of Sheffield is oceanic, with quite cold, rainy winters and mild, relatively rainy summers.
The city is located in the north-central part of England, in South Yorkshire.
The average temperature of the coldest month (January) is of 4.4 °C (40 °F), that of the warmest month (July) is of 16.9 °C (62 °F). The lowest record is -9.2 °C (15.4 °F), the highest is 35.6 °C (96 °F), recorded in July 2019. Here are the average temperatures.
Sheffield - Average temperatures
Min (°C)2235810131210842
Max (°C)771012161921211814107
Min (°F)363637414650555450463936
Max (°F)454550546166707064575045

Precipitation amounts to 835 millimeters (32.9 inches) per year: so, it is at an intermediate level. It ranges from 55 mm (2.2 in) in the driest months (May, July) to 85 mm (3.3 in) in the wettest ones (January, December). Here is the average precipitation.
Sheffield - Average precipitation

On average, there are around 1,445 sunshine hours per year. So, the sun doesn't shine often. Here are the average sunshine hours per day.
Sheffield - Sunshine


Best Time

The best time to visit Sheffield 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.