Portsmouth Weather in October

October in Portsmouth averages 22°C (72°F) during the day and 13°C (55°F) at night. Quite a bit of rainfall is typical this month, with around 118 mm (4.6 in) on average. An umbrella is a good idea.

Rainfall in Portsmouth in October

Historically, the month has about 9 days of rain, averaging 118 mm (4.6 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Portsmouth in October

In October, Portsmouth sees high temperatures, with highs of 22°C (72°F). Nights drop to around 13°C (55°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Portsmouth in October

With approximately 206 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer enjoying temperate temperatures and rain-free days, April typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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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 October

Min Temperature 13°C (55°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 30%  

Precipitation 118 mm (4.6 in)  

Rainy days 9 days  

Humidity 72% *  

Sunshine 206 hours *  

Percentage Sunshine 60% *  

* Data from: Hampton, the United States of America (22 KM, 13 Miles).

What to Wear in Portsmouth in October

For Portsmouth in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Portsmouth in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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.

More climate data for Portsmouth

Temperature Rainfall Sunshine Humidity

See the full Portsmouth climate overview or explore weather in the United States of America.