Cool
Average highs are around 18°C, so pack for cooler days.
July verdict
Portmeirion, United Kingdom in July
Weather score40Mixed
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 5.3h per day, enough for a balanced month. Rainfall averages 101mm, so some wet days are possible.
July weather
Monthly averages
Temp
18°C
Rain
101mm
Sun
5.3h
Weather score
40
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 101mm, so some wet days are possible.
Some sun
Sunshine averages 5.3h per day, enough for a balanced month.
Map
Weather map
Compare Portmeirion, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July18°C average high
July is one of Portmeirion's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July101mm average rain
July is one of Portmeirion's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsFebruary and April to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July5.3 hours average sun
July is brighter than Portmeirion's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
July40 weather score
July is one of Portmeirion'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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