Mild
Average highs are around 20°C, so days are mild rather than hot.
Weather Guide
Bristol, England, United Kingdom Average Monthly Weather
Weather score27Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 14°C, sunshine averages 4h per day, and rainfall totals about 899mm. Sea temperatures average 12°C across the year.
Annual weather
Annual averages
Temp
14°C
Rain
899mm
Annual total
Sun
4h
Sea
12°C
Weather score
27
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 74mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Bristol, England, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August20°C average high
August is one of Bristol'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
August74mm average rain
August sits near Bristol's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.9 hours average sun
August is brighter than Bristol'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.
Sea temperature
August18°C average sea
August is one of Bristol's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
August44 weather score
August is one of Bristol's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
