Mild
Average highs are around 21°C, so days are mild rather than hot.
Weather Guide
Chepstow, Wales, United Kingdom Average Monthly Weather
Weather score31Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 14°C, sunshine averages 3.9h per day, and rainfall totals about 880mm.
Annual weather
Annual averages
Temp
14°C
Rain
880mm
Annual total
Sun
3.9h
Weather score
31
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 68mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Map
Weather map
Compare Chepstow, Wales, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August21°C average high
August is one of Chepstow's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August68mm average rain
August sits on the drier side of Chepstow's year, which helps with sightseeing and transfers.
Driest monthsFebruary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.7 hours average sun
August is brighter than Chepstow's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August49 weather score
August scores above Chepstow's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
