Climate guide for Rotterdam, Netherlands

Rotterdam in May

Weather, crowds & best time to visit

How to read the score (0–10)
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May · Netherlands

Best time to visit Rotterdam in May Weather, crowds & prices

Weather in Rotterdam in May

Average temperature 14°C, 88 mm of rain, about 27 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

8.0/10

Ranked #4 of 12 months

Full year for Rotterdam
Avg temp
14°C
Rainfall
88 mm
Humidity
78%
Days with 6h+ sun
27
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Rotterdam scores 8.0/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 14°C, 88 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Rotterdam rebuilt itself in glass and steel, and its harbour, bridges, and museums reward a walking or cycling stay.

May in Rotterdam: strong conditions, 4th of 12

May averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 88 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 15.7 hours of daylight.

It scores 8/10 here, 4th of 12 months, against 9.1/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Figure on mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Rotterdam in May?
In May, Rotterdam averages 14°C, 88 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
Is May a good time to visit Rotterdam?
May earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Rotterdam in May?
Expect about 88 mm of rain in May. Average humidity is 78% and there are about 27 days with 6+ hours of sunshine.

Curated in Rotterdam

Tickets & experiences

Things to do in Rotterdam

Rotterdam, Netherlands. Live activities and tours from GetYourGuide, matched to this destination.