Weather in Rotterdam in May 2025
- May is usually the driest month of the year in Rotterdam
Average weather
Average temperature in Rotterdam in May
Going from a maximum of +23°C during the day to a minimum of +4°C during the night, the temperature in May averages around +18°C.
The average maximum temperature goes up 37% by the end of the month, compared with the beginning of the month, from +16°C to +23°C.
Is Rotterdam warm or cold in May?
Rotterdam is typically mild in May.
Maximum temperatures go up compared to the previous month from +13°C to +17°C. The minimum temperature also goes up from +5°C to +9°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Rotterdam:
Climate in Rotterdam in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +13°C | +17°C | +19°C | ||||
| Min. temperature | ||||||
| -4°C | +1°C | +4°C | ||||
| Max. temperature | ||||||
| +27°C | +31°C | +33°C | ||||
| Rainfall | ||||||
| 48 mm | 60 mm | 64 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 76% | 75% | 76% | ||||
| Air pressure | ||||||
| 1014 HPa | 1015 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 4 | 5 | 4 | ||||
| Cloudy days | ||||||
| 10 | 9 | 9 | ||||
| Rainy days | ||||||
| 16 | 16 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +13°C to +17°C during the day. Prepare for more rain. Average rainfall goes from 48 mm to 60 mm. It feels drier, as humidity decreases from 76% to 75%. The average wind speed doesn’t change much during May, staying around 3 m/s. The good news is there are likely to be more sunny days in May, from 4 to 5.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Rotterdam is gradually increasing during May, going from 2 m/s to 4 m/s over the course of the month.
Rain
How was the weather last May in Rotterdam?
Climate Change over Years
The climate in Rotterdam in May has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+11°C) and the highest in 2022 (+16°C). The driest year was 1996 with only 482 mm of rainfall, and the wettest year was 2020 with 1189 mm.
FAQ
Is May a good time to visit Rotterdam?
Can you sunbathe in Rotterdam in May?
Is Rotterdam rainy in May?
Is it sunny in Rotterdam in May?
Other cities in Netherlands
Monthly weather in Rotterdam
Source of the data
For this page, we’ve looked at the typical weather in Rotterdam, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.