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.