Monmouth weather in June 2026

Expect daytime maximum temperatures of 19°C in Monmouth, Wales in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 58 mm of rainfall in the month.

  • 19°C maximum daytime temperature in June in Monmouth19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in June in Monmouth13
    13 days with some rainfall
  • 10°C minimum night-time temperature in June in Monmouth10
    10°C min night temperature
  • 17 hours of daylight per day in June in Monmouth17
    17 hours of daylight per day
  • No heat & humidity in June in Monmouth0
    No heat & humidity
  • 58 mm monthly rainfall in June in Monmouth58
    58 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Monmouth6
    6 (High) UV index

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The June 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 / mm)  |  Imperial (°F / inches)

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More about Wales

How hot is it in Monmouth in June?

Daytime temperatures usually reach 19°C in Monmouth in June, falling to 10°C at night.

How sunny is it in Monmouth in June?

There are normally 7 hours of bright sunshine each day in Monmouth in June - that's 41% of daylight hours.

How warm is the sea around Monmouth in June?

The average sea temperature around Monmouth in June is 15°C.

Does it rain in Monmouth in June?

There are usually 14 days with some rain in Monmouth in June and the average monthly rainfall is 65mm.

Monmouth June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 03:58 20:20
Monday, 15th June 2026 03:51 20:32
Tuesday, 30th June 2026 03:56 20:33

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