Monthly climate guide
Rotterdam weather in May
With highs near 16°C (61°F) and lows around 9°C (49°F), May feels mild in Rotterdam. Rainfall averages about 50 mm (some rain) and the sky is often cloudy. Daytime highs are 3°C warmer than April and 3°C cooler than June.
What stands out in May
- Just 50 km apart, but Rotterdam runs about 2°C cooler than Utrecht this month.
- May brings late spring to Rotterdam.
- Comfortable temperatures make it easy to walk between Erasmus Bridge and Cube Houses.
Avg high
16°C
61°F
Avg low
9°C
49°F
Rainfall
50 mm
some rain
Humidity
79%
relative
Sky
64%
cloud · often cloudy
Rotterdam weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 6°C / 43°F | 3°C / 37°F | 77 mm | 91% | 74% |
| February | 6°C / 43°F | 2°C / 35°F | 61 mm | 89% | 68% |
| March | 9°C / 48°F | 3°C / 38°F | 51 mm | 86% | 63% |
| April | 13°C / 55°F | 6°C / 43°F | 36 mm | 81% | 61% |
| May | 16°C / 61°F | 9°C / 49°F | 50 mm | 79% | 64% |
| June | 19°C / 66°F | 13°C / 55°F | 70 mm | 79% | 67% |
| July | 21°C / 70°F | 15°C / 59°F | 76 mm | 77% | 64% |
| August | 22°C / 71°F | 15°C / 60°F | 76 mm | 76% | 61% |
| September | 19°C / 66°F | 13°C / 56°F | 69 mm | 79% | 59% |
| October | 15°C / 59°F | 10°C / 50°F | 85 mm | 85% | 68% |
| November | 10°C / 50°F | 6°C / 43°F | 69 mm | 89% | 70% |
| December | 8°C / 46°F | 4°C / 40°F | 92 mm | 91% | 75% |
What to pack for May
- A warm sweater or fleece for layering
- A mid-weight jacket
- A small travel umbrella, just in case
Is May a good time to visit Rotterdam?
Our Rotterdam guide recommends: May to September for the warmest, driest weather.
Rotterdam is one of Europe's most bike-friendly cities — renting one is an easy way to cover its spread-out modern landmarks.
Best time to visit Rotterdam →Other Netherlands cities in May
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Rotterdam weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/netherlands/rotterdam/may
<a href="https://weathercompare.eu/weather/netherlands/rotterdam/may">Rotterdam weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/netherlands/rotterdam" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Rotterdam weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/netherlands/rotterdam/may">Rotterdam weather in May</a> – WeatherCompare</p>
Rotterdam in May: quick answers
Is May a good time to visit Rotterdam?
Yes. May is one of the best months for Rotterdam, with highs around 16°C and about 50 mm of rain.
How warm is Rotterdam in May?
Average highs are about 16°C (61°F) and average lows about 9°C (49°F), based on 10 years of daily data.
Does it rain a lot in Rotterdam in May?
Rotterdam typically gets around 50 mm of rain in May — some rain.
When is the best time to visit Rotterdam?
May to September for the warmest, driest weather.
Figures are long-term averages for the area around Rotterdam (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.