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Portsmouth Weather in November
Portsmouth in November averages 29°C (84°F) during the day and 26°C (79°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Portsmouth in November
Historically, the month has about 19 days of rain, averaging 121 mm (4.8 in) in total. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Portsmouth in November
In November, Portsmouth gets high temperatures, with highs of 29°C (84°F). Nights cool to around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Portsmouth in November
The days are predominantly sunny, with an estimated total of around 194 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.November in Portsmouth has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Portsmouth Temperature in November
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
63%
Precipitation
121 mm (4.8 in)
Rainy days
19 days
Humidity
74% *
Sunshine
194 hours *
Percentage Sunshine
*
* Data from: Douglas-Charles Airport, Dominica (18 KM, 11 Miles).
Portsmouth Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portsmouth - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Portsmouth typically stay consistent throughout November, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in November
Historical weather records for Portsmouth in November
Browse day-by-day weather records for Portsmouth spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Portsmouth historical weather extremes in November
The extremes listed below come from historical weather data collected in Portsmouth from 1991 through 2025.
- The hottest November day on record in Portsmouth reached 33°C (91°F) (November 6, 2024).
- The coldest November day was on November 6, 2015, with a maximum of 25°C (77°F).
- Portsmouth registered its coldest November night on November 6, 2022, with temperatures dropping to 12°C (54°F).
Best Places in Dominica in November
Find out more about the weather in Dominica and which places have the best travel conditions in this month. See all of Dominica in November →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Portsmouth in November
Warm temperatures in November make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Portsmouth in November
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Portsmouth 3-Day Forecast
More climate data for Portsmouth
Temperature Rainfall Sunshine Humidity
See the full Portsmouth climate overview or explore weather in Dominica.
Popular in November
Where to go in November - average daytime high across popular destinations.
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