Southampton Weather in March

With daytime temperatures of 12°C (54°F) and nighttime lows of 5°C (41°F), March in Southampton brings low temperatures during the day. It is also the driest month of the year, with minimal rainfall.

Rainfall in Southampton in March

This is the driest month of the year, though the temperatures are on the cooler side. Typically around 14 days of rainfall are expected, averaging 55 mm (2.2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Southampton in March

In March, Southampton gets low temperatures, with highs of 12°C (54°F). Nights cool to around 5°C (41°F). Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Southampton in March

The area experiences a moderate amount of sunshine, with approximately 119 hours of sunlight expected. This means a decent mix of sun and overcast.

Average water temperature in March

The water temperature is only 9°C (48°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

If you prefer enjoying temperate temperatures and rain-free days, June, July, August and September typically offer 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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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Southampton's climate page.

Southampton Temperature in March

Min Temperature 5°C (41°F)  

Max Temperature 12°C (54°F)  

Water Temperature 9°C (48°F)  

Chance of Rain 48%  

Precipitation 55 mm (2.2 in)  

Rainy days 14 days  

Humidity 79%  

Sunshine 119 hours  

Percentage Sunshine 35%  

What to Wear in Southampton in March

Pack for changing conditions in Southampton in March. 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. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 9°C (48°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Southampton 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 Southampton's climate page.

More climate data for Southampton

Temperature Rainfall Sunshine Humidity Water Temp

See the full Southampton climate overview or explore weather in the United Kingdom.