Portsmouth Weather in November
November in Portsmouth brings low temperatures around 10°C (50°F) during the day, dropping to 0°C (32°F) at night, with quite a bit of rainfall expected, averaging around 94 mm (3.7 in) for the month.
Rainfall in Portsmouth in November
You can expect rain on around 10 days based on historical patterns, with 94 mm (3.7 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Portsmouth in November
In November, Portsmouth sees low temperatures, with highs of 10°C (50°F). Nights drop to around 0°C (32°F). Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 0°C (32°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Portsmouth in November
You can expect a moderate amount of sunlight, with approximately 127 hours. This means a pleasant mix of sun and overcast.If you're looking for dry conditions and comfortable temperatures, November may not be the ideal month to visit Portsmouth. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Portsmouth's climate page.
Portsmouth Temperature in November
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Portsmouth typically drop from around 13°C (55°F) at the start of November to approximately 7°C (45°F) by the end. Nights are cold, with lows typically ranging from -2°C (28°F) to 3°C (37°F).
Average temperatures in November
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in November
Historical weather 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
According to our 28 years of weather records for Portsmouth, the following extremes were recorded between 1997 and 2025.
- On November 6, 2024, temperatures climbed to 26°C (79°F), marking the warmest November day on record.
- Nighttime temperatures dropped to -14°C (7°F) on November 25, 2000, marking the coldest November night on record.
- The wettest November day on record brought 63 mm (2.5 in) of precipitation to Portsmouth (November 14, 2009).
Best Places in the United States of America in November
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in November →
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What to Wear in Portsmouth in November
Pack for changing conditions in Portsmouth in November. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Portsmouth in November
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Portsmouth's climate page.
Temperature Rainfall Sunshine Humidity
See the full Portsmouth climate overview or explore weather in the United States of America.