Portsmouth Weather in March

During March, Portsmouth experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 5°C (41°F). Expect quite a bit of rainfall. Around 90 mm (3.5 in) is typical.

Rainfall in Portsmouth in March

Typically around 11 days of rainfall are expected, averaging 90 mm (3.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Portsmouth in March

Expect highs of 16°C (61°F) in Portsmouth in March, with nights dropping to around 5°C (41°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Portsmouth in March

With approximately 231 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.

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.

Portsmouth Temperature in March

Min Temperature 5°C (41°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 37%  

Precipitation 90 mm (3.5 in)  

Rainy days 11 days  

Humidity 64% *  

Sunshine 231 hours *  

Percentage Sunshine 61% *  

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

What to Wear in Portsmouth in March

The weather can be unpredictable in March, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler 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 March

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

Cycling

6/10

Walking

6/10

Camping

4/10

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.