Cool
Average highs are around 14°C, so pack for cooler days.
May verdict
Isles of Scilly, United Kingdom in May
Weather score30Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 69mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
14°C
Rain
69mm
Sun
6.9h
Sea
12°C
Weather score
30
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 69mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Isles of Scilly, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May14°C average high
May is close to Isles of Scilly'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
May69mm average rain
May is one of Isles of Scilly's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.9 hours average sun
May is one of Isles of Scilly'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.
Sea temperature
May12°C average sea
May is below Isles of Scilly's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
May30 weather score
May sits close to Isles of Scilly'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.
