Cool
Average highs are around 20°C, so pack for cooler days.
July verdict
Isle of Portland, United Kingdom in July
Weather score49Mixed
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 7.4h per day, enough for a balanced month. Rainfall averages 46mm, which is relatively low for holiday planning.
July weather
Monthly averages
Temp
20°C
Rain
46mm
Sun
7.4h
Sea
16°C
Weather score
49
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 46mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Weather map
Compare Isle of Portland, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July20°C average high
July is one of Isle of Portland's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July46mm average rain
July is one of Isle of Portland's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsFebruary to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July7.4 hours average sun
July is one of Isle of Portland's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July16°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to October
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
July49 weather score
July is one of Isle of Portland'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.
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