Cool
Average highs are around 18°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 65mm, which is relatively low for holiday planning.

Monthly averages
Temp
18°C
Rain
65mm
Sun
6.1h
Weather score
39
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Drier
Rainfall averages 65mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Map
Compare Maastricht, Netherlands with nearby places by weather score, rain, sun, temperature, and swim conditions.
May18°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.
May65mm average rain
May is close to Maastricht's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
May6.1 hours average sun
May is one of Maastricht's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
May39 weather score
May sits close to Maastricht'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.