Cool
Average highs are around 14°C, so pack for cooler days.
May verdict
Portmeirion, United Kingdom in May
Weather score29Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 96mm, so some wet days are possible.
May weather
Monthly averages
Temp
14°C
Rain
96mm
Sun
6.1h
Weather score
29
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 96mm, so some wet days are possible.
Some sun
Sunshine averages 6.1h 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
May14°C average high
May is close to Portmeirion's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May96mm average rain
May 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
May6.1 hours average sun
May is one of Portmeirion's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
May29 weather score
May sits close to Portmeirion's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
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