Cool
Average highs are around 12°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 67mm, which is relatively low for holiday planning.
Monthly averages
Temp
12°C
Rain
67mm
Sun
6.3h
Sea
10°C
Weather score
26
Poor
Cool
Average highs are around 12°C, so pack for cooler days.
Drier
Rainfall averages 67mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Compare St Kilda, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
May12°C average high
May is close to St Kilda'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.
May67mm average rain
May is one of St Kilda'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.
May6.3 hours average sun
May is one of St Kilda's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
May10°C average sea
May is below St Kilda's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
May26 weather score
May scores above St Kilda's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.