Portsmouth Weather in March

March in Portsmouth brings low temperatures, with daytime highs of 7°C (45°F) and nights around -3°C (27°F). Quite a bit of snow/rainfall is expected, around 116 mm (4.6 in), so pack an umbrella.

Rainfall in Portsmouth in March

Past climate data indicates that roughly 11 days will see snow/rain, totalling around 116 mm (4.6 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Portsmouth in March

If you're visiting Portsmouth in March, expect highs of 7°C (45°F) and overnight lows around -3°C (27°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights are well below freezing at -3°C (27°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.

Sunshine in Portsmouth in March

The days are predominantly sunny, with an estimated total of around 210 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer dry days with pleasant temperatures, March may not be the ideal month to visit Portsmouth. Our weather planner can help you explore destinations with more pleasant weather conditions.