Portsmouth weather in March 2025

Expect 50°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Portsmouth in March. Check more long-term weather averages for Portsmouth in March before you book your next holiday to England in 2025/2026.

  • 50°F maximum daytime temperature in March in Portsmouth50
    50°F max day temperature
  • 4 hours of sunshine per day
  • 14 days with some rainfall in March in Portsmouth14
    14 days with some rainfall
  • 39°F minimum night-time temperature in March in Portsmouth39
    39°F min night temperature
  • 12 hours of daylight per day in March in Portsmouth12
    12 hours of daylight per day
  • No heat & humidity in March in Portsmouth0
    No heat & humidity
  • 2.4 inches monthly rainfall in March in Portsmouth2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Portsmouth3
    3 (Moderate) UV index
  • 45°F sea temperature in March in Portsmouth45
    45°F sea temperature

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The March weather guide for England (Portsmouth) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about England

How warm is it in Portsmouth in March?

Daytime temperatures usually reach 50°F in Portsmouth in March, falling to 39°F at night.

How sunny is it in Portsmouth in March?

There are normally 4 hours of bright sunshine each day in Portsmouth in March - that's 35% of daylight hours.

How warm is the sea around Portsmouth in March?

The average sea temperature around Portsmouth in March is 45°F.

Does it rain in Portsmouth in March?

There are usually 14 days with some rain in Portsmouth in March and the average monthly rainfall is 2.4 inches.

Portsmouth March sunrise & sunset times

Browse the sunrise and sunset times for Portsmouth in March 2025. Select a month to view Portsmouth sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:48 17:46
Sunday, 16th March 2025 06:16 18:11
Monday, 31st March 2025 05:42 18:36

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