Cool
Average highs are around 12°C, so pack for cooler days.
April verdict
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 43mm, which is relatively low for holiday planning.

Monthly averages
Temp
12°C
Rain
43mm
Sun
5.1h
Weather score
32
Poor
Cool
Average highs are around 12°C, so pack for cooler days.
Drier
Rainfall averages 43mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Map
Compare Rotterdam, Netherlands with nearby places by weather score, rain, sun, temperature, and swim conditions.
April12°C average high
April is close to Rotterdam'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.
April43mm average rain
April is one of Rotterdam's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April5.1 hours average sun
April is brighter than Rotterdam'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.
April32 weather score
April sits close to Rotterdam'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.