Cool
Average highs are around 17°C, so pack for cooler days.
May verdict
Luxembourg in May
Weather score36Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 76mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
17°C
Rain
76mm
Sun
6.6h
Sea
0°C
Weather score
36
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 76mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 0°C, so the water can feel cool.
Map
Weather map
Compare Luxembourg with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May17°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May76mm average rain
May sits near Luxembourg's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.6 hours average sun
May is brighter than Luxembourg's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May0°C average sea
May is close to Luxembourg's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
May36 weather score
May sits close to Luxembourg'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.
