Portsmouth weather in April 2025

Expect 30°C daytime maximum temperatures in the shade with on average 8 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 Dominica in 2025/2026.

  • 30°C maximum daytime temperature in April in Portsmouth30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in April in Portsmouth14
    14 days with some rainfall
  • 22°C minimum night-time temperature in April in Portsmouth22
    22°C min night temperature
  • 12 hours of daylight per day in April in Portsmouth12
    12 hours of daylight per day
  • High heat & humidity in April in PortsmouthH
    High heat & humidity
  • 105 mm monthly rainfall in April in Portsmouth105
    105 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Portsmouth11
    11+ (Extreme) UV index
  • 27°C sea temperature in April in Portsmouth27
    27°C sea temperature

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The April weather guide for Dominica (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 / mm)  |  Imperial (°F / inches)

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How hot is it in Portsmouth in April?

Daytime temperatures usually reach 30°C in Portsmouth in April with high heat and humidity, falling to 22°C at night.

How sunny is it in Portsmouth in April?

There are normally 8 hours of bright sunshine each day in Portsmouth in April - that's 66% of daylight hours.

How warm is the sea around Portsmouth in April?

The average sea temperature around Portsmouth in April is 27°C.

Does it rain in Portsmouth in April?

There are usually 14 days with some rain in Portsmouth in April and the average monthly rainfall is 105mm.

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 06:01 18:18
Tuesday, 15th April 2025 05:51 18:21
Wednesday, 30th April 2025 05:42 18:24

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