Portsmouth Weather in November

The climate in Portsmouth during November can be summarized as mild and reasonably dry.

November is in the fall / autumn in Portsmouth and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 7°C (44°F) is normal.

On average November is the driest month of the year in Portsmouth with around 69mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.5 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Portsmouth in November 2025.