Plymouth weather in May 2026

Expect daytime maximum temperatures of 84°F in Plymouth, Montserrat in May and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 17 days with some rainfall and typically 5.4 inches of rainfall in the month.

  • 84°F maximum daytime temperature in May in Plymouth84
    84°F max day temperature
  • 8 hours of sunshine per day
  • 17 days with some rainfall in May in Plymouth17
    17 days with some rainfall
  • 72°F minimum night-time temperature in May in Plymouth72
    72°F 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
  • 5.4 inches monthly rainfall in May in Plymouth5.4
    5.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Plymouth11
    11+ (Extreme) UV index
  • 81°F sea temperature in May in Plymouth81
    81°F 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)  |  Imperial (°F)

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How hot is it in Plymouth in May?

Daytime temperatures usually reach 84°F in Plymouth in May with high heat and humidity, falling to 72°F 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 81°F.

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 5.4 inches.

Plymouth May sunrise & sunset times

Browse the sunrise and sunset times for Plymouth in May 2026. Select a month to view Plymouth sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:44 18:28
Saturday, 16th May 2026 05:38 18:33
Sunday, 31st May 2026 05:35 18:38

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