Exeter always has a chance of rainfall throughout the year. The maximum rainfall is from the month of December- February. Even so, the rains are not heavy enough to disrupt your visit or any activity in the city.
The temperature goes up to as high as 20 degree Celsius and falls down to as low as 5 degree Celsius. June, July and August marks the setting of summer season in the whole of United Kingdom and even Exeter is the most pleasant during this time with temperature ranging from 13 degree Celsius to 20 degree Celsius.
During September, October and November, Exeter experiences autumn and fall. Although a little dry and mild, even this is a good time to visit Exeter.
March to May is the period of spring and the temperature ranges from 5 degree Celsius to 16 degree Celsius at this time.
The best time to visit Exeter is from June to August with very pleasant weather and the city vibrant with people around.