Portsmouth Weather in March

March in Portsmouth typically sees daytime highs of 11°C (52°F) and nighttime lows of 5°C (41°F). With the least rainfall of the year, it's a reliably dry month.

Rainfall in Portsmouth in March

Expect the least amount of rain this month, making it a good opportunity for outdoor activities, even though days are on the cooler side. Historically, approximately 14 days this month are expected to have rain, averaging 54 mm (2.1 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Portsmouth in March

March in Portsmouth sees highs of 11°C (52°F) and lows of 5°C (41°F) overnight. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. 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

The month brings about 119 hours of sunlight, offering a comfortable mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Portsmouth.

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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 Kingdom, check out our Portsmouth's climate page.

Portsmouth Temperature in March

Min Temperature 5°C (41°F)  

Max Temperature 11°C (52°F)  

Chance of Rain 47%  

Precipitation 54 mm (2.1 in)  

Rainy days 14 days  

Humidity 79% *  

Sunshine 119 hours *  

Percentage Sunshine 35% *  

* Data from: Southampton, the United Kingdom (25 KM, 15 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. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Portsmouth in March

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

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 Kingdom, 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 Kingdom.