Oxford, where it's located

The climate of Oxford is oceanic, with quite cold, rainy winters and mild, relatively rainy summers.
The city is located in southern England, 90 km (55 mi) north-west of London.
The average temperature of the coldest month (January) is of 4.9 °C (41 °F), that of the warmest month (August) is of 17.9 °C (64 °F). The lowest record is -16.6 °C (2.1 °F), set in January 1982, the highest is 35.6 °C (96 °F), set in August 2003. Here are the average temperatures.
Oxford - Average temperatures
Min (°C)2245811131311852
Max (°C)881114172023221915108
Min (°F)363639414652555552464136
Max (°F)464652576368737266595046

Precipitation amounts to 660 millimeters (26 inches) per year: so, it is at the highest level among the lowlands of England. It ranges from 45 mm (1.8 in) in the driest month (February) to 70 mm (2.8 in) in the wettest (October). Here is the average precipitation.
Oxford - Average precipitation

On average, there are around 1,580 sunshine hours per year. Here are the average sunshine hours per day.
Oxford - Sunshine


Best Time

The best time to visit Oxford 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.