Monmouth weather in May 2025

Expect 61°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Monmouth in May. Check more long-term weather averages for Monmouth in May before you book your next holiday to Wales in 2025/2026.

  • 61°F maximum daytime temperature in May in Monmouth61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in May in Monmouth15
    15 days with some rainfall
  • 45°F minimum night-time temperature in May in Monmouth45
    45°F min night temperature
  • 16 hours of daylight per day in May in Monmouth16
    16 hours of daylight per day
  • No heat & humidity in May in Monmouth0
    No heat & humidity
  • 2.6 inches monthly rainfall in May in Monmouth2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Monmouth5
    5 (Moderate) UV index

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The May weather guide for Wales (Monmouth) 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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More about Wales

How warm is it in Monmouth in May?

Daytime temperatures usually reach 61°F in Monmouth in May, falling to 45°F at night.

How sunny is it in Monmouth in May?

There are normally 6 hours of bright sunshine each day in Monmouth in May - that's 37% of daylight hours.

Does it rain in Monmouth in May?

There are usually 15 days with some rain in Monmouth in May and the average monthly rainfall is 2.6 inches.

Monmouth May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:41 19:36
Friday, 16th May 2025 04:16 19:59
Saturday, 31st May 2025 03:59 20:19

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