Portsmouth weather in April 2025

Expect 55°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Portsmouth in April. Check more long-term weather averages for Portsmouth in April before you book your next holiday to New Hampshire in 2025/2026.

  • 55°F maximum daytime temperature in April in Portsmouth55
    55°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in April in Portsmouth11
    11 days with some rainfall
  • 34°F minimum night-time temperature in April in Portsmouth34
    34°F min night temperature
  • 13 hours of daylight per day in April in Portsmouth13
    13 hours of daylight per day
  • No heat & humidity in April in Portsmouth0
    No heat & humidity
  • 3.6 inches monthly rainfall in April in Portsmouth3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Portsmouth5
    5 (Moderate) UV index
  • 41°F sea temperature in April in Portsmouth41
    41°F sea temperature

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The April weather guide for New Hampshire (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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How warm is it in Portsmouth in April?

Daytime temperatures usually reach 55°F in Portsmouth in April, falling to 34°F at night.

How sunny is it in Portsmouth in April?

There are normally 7 hours of bright sunshine each day in Portsmouth in April - that's 54% of daylight hours.

How warm is the sea around Portsmouth in April?

The average sea temperature around Portsmouth in April is 41°F.

Does it rain in Portsmouth in April?

There are usually 11 days with some rain in Portsmouth in April and the average monthly rainfall is 3.6 inches.

Portsmouth April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:24 18:10
Tuesday, 15th April 2025 05:01 18:26
Wednesday, 30th April 2025 04:38 18:44

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