Plymouth weather in May 2025

Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Plymouth in May. Check more long-term weather averages for Plymouth in May before you book your next holiday to Montserrat in 2025/2026.

  • 29°C maximum daytime temperature in May in Plymouth29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 17 days with some rainfall in May in Plymouth17
    17 days with some rainfall
  • 22°C minimum night-time temperature in May in Plymouth22
    22°C min night temperature
  • 13 hours of daylight per day in May in Plymouth13
    13 hours of daylight per day
  • High heat & humidity in May in PlymouthH
    High heat & humidity
  • 138 mm monthly rainfall in May in Plymouth138
    138 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Plymouth11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Plymouth27
    27°C sea temperature

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The May weather guide for Montserrat, represented by Plymouth, (Plymouth) 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 Plymouth in May?

Daytime temperatures usually reach 29°C in Plymouth in May with high heat and humidity, falling to 22°C at night.

How sunny is it in Plymouth in May?

There are normally 8 hours of bright sunshine each day in Plymouth in May - that's 60% of daylight hours.

How warm is the sea around Plymouth in May?

The average sea temperature around Plymouth in May is 27°C.

Does it rain in Plymouth in May?

There are usually 17 days with some rain in Plymouth in May and the average monthly rainfall is 138mm.

Plymouth May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:44 18:28
Friday, 16th May 2025 05:38 18:33
Saturday, 31st May 2025 05:35 18:38

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