Portsmouth Weather in October
What's the weather like in Portsmouth (Saint John) in October 2024?
The climate in Portsmouth during October can be summarized as hot, humid and very wet.
October is in the fall / autumn in Portsmouth and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 30.1°C 86.1°F |
|---|---|
| Nightly temperature | 23°C 73.3°F |
| Average temperature | 26.5°C 79.7°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 279 mm 11 ins |
| Rainy days | 19 days |
| Sea temperature | 28.9°C 84°F |
| Humidity | 82% |
| Windspeed | 13.3kph 8 mph |
On average October is the 2nd wettest month of the year in Portsmouth with around 279mm 11 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
October temperatures in Portsmouth
October rainfall
October hourly sunshine
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 October 2024.
Other monthly averages
Best places to visit in October
Portsmouth weather stats
| Hottest month: | July | 30.6°C 87.1°F |
|---|---|---|
| Driest month: | February | 95mm 3.7ins |
| Sunniest month: | April | 8.6hrs |
| Coldest month: | February | 28.3°C 82.9°F |
| Wettest month: | November | 301mm 11.9ins |
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