Plymouth weather in August 2025

Expect daytime maximum temperatures of 30°C in Plymouth, Montserrat in August and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 20 days with some rainfall and typically 181 mm of rainfall in the month.

  • 30°C maximum daytime temperature in August in Plymouth30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in August in Plymouth20
    20 days with some rainfall
  • 23°C minimum night-time temperature in August in Plymouth23
    23°C min night temperature
  • 13 hours of daylight per day in August in Plymouth13
    13 hours of daylight per day
  • High heat & humidity in August in PlymouthH
    High heat & humidity
  • 181 mm monthly rainfall in August in Plymouth181
    181 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Plymouth11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Plymouth28
    28°C sea temperature

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The August 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 August?

Daytime temperatures usually reach 30°C in Plymouth in August with high heat and humidity, falling to 23°C at night.

How sunny is it in Plymouth in August?

There are normally 8 hours of bright sunshine each day in Plymouth in August - that's 63% of daylight hours.

How warm is the sea around Plymouth in August?

The average sea temperature around Plymouth in August is 28°C.

Does it rain in Plymouth in August?

There are usually 20 days with some rain in Plymouth in August and the average monthly rainfall is 181mm.

What is the chance of a hurricane in Plymouth in August?

On average less than 1 day in August in Plymouth is likely to be affected by the passage of one or more tropical storms.

Plymouth August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:49 18:41
Saturday, 16th August 2025 05:53 18:33
Sunday, 31st August 2025 05:55 18:22

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