Is Rotterdam hot in August?
Days are typically mild at 22.6°C, while nights average 13.2°C.
The Netherlands · 1991–2020 normal
Typical August weather in Rotterdam: 22.6°C by day, 13.2°C at night, 90 mm of rain over 10.5 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, August scores 78 out of 100 (July leads the year at 80). Daylight is calculated as 14 h 39 from latitude 51.92°. Open-water sea temperature is 18.9°C (24 km from the place centre).
August 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 22.6°C, while nights average 13.2°C.
The measured monthly average is 90 mm across about 11 wet days.
There are about 14 h 39 between sunrise and sunset at mid-month, calculated from the place latitude.
August ranks 2 of 12 in our weather comparison; July ranks first.
The evidence behind this page
Next step
The weather comparison for Rotterdam 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.
How travel partnerships will work