Is Sint-Niklaas hot in May?
Days are typically mild at 18.5°C, while nights average 8.4°C.
Belgium · 1991–2020 normal
Typical May weather in Sint-Niklaas: 18.5°C by day, 8.4°C at night, 56 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, May scores 61 out of 100 (July leads the year at 82). Daylight is calculated as 15 h 32 from latitude 51.17°.
May at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically mild at 18.5°C, while nights average 8.4°C.
The measured monthly average is 56 mm across about 10 wet days.
There are about 15 h 32 between sunrise and sunset at mid-month, calculated from the place latitude.
May ranks 5 of 12 in our weather comparison; July ranks first.
The evidence behind this page
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The weather comparison for Sint-Niklaas is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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