Weather in Rotterdam for May 2026
Until now, May 2026 in Rotterdam is cooler than usual, with temperatures averaging 14.7 °C, this is -2.3 °C below the typical seasonal average.
The forecast for the next days in Rotterdam predicts temperatures to be around 23 °C, close to the historical average.
In general, the average temperature in Rotterdam at the beginning of May is 16.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.6 °C by the end of May.
Rotterdam experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 64.7 mm.
Temperatures
Rain 🌧️
Rotterdam Weather May
Temperatures trend during May in Rotterdam
May weather in Rotterdam day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 21° /10° | 2 mm | 5 | |
| 2 May |  Overcast | 18° /10° | 1.6 mm | 5 | |
| 3 May |  Partly cloudy | 15° /8° | 4.2 mm | 3 | |
| 4 May | Patchy rain possible | 16° /7° | 0.6 mm | 4 | |
| 5 May | Patchy rain possible | 16° /9° | 2.5 mm | 4 | |
| 6 May | Patchy rain possible | 14° /8° | 2 mm | 3 | |
| 7 May | Patchy rain possible | 16° /8° | 0.5 mm | 4 | |
| 8 May | Overcast | 18° /8° | 0 mm | 4 | |
| 9 May | Overcast | 18° /8° | 3.9 mm | 5 | |
| 10 May |  Moderate or heavy rain shower | 17° /8° | 1.3 mm | 5 | |
| 11 May | Moderate rain at times | 17° /8° | 2.3 mm | 5 | |
| 12 May | Patchy rain possible | 19° /9° | 1.6 mm | 4 | |
| 13 May |  Cloudy | 18° /10° | 2 mm | 5 | |
| 14 May | Overcast | 18° /9° | 4.8 mm | 4 | |
| 15 May | Patchy rain possible | 15° /8° | 3.4 mm | 3 | |
| 16 May | Patchy rain possible | 14° /7° | 1.6 mm | 4 | |
| 17 May | Partly cloudy | 16° /8° | 2.3 mm | 4 | |
| 18 May | Patchy rain possible | 17° /8° | 2.1 mm | 4 | |
| 19 May | Cloudy | 18° /8° | 1.4 mm | 4 | |
| 20 May | Overcast | 18° /9° | 0.9 mm | 4 | |
| 21 May | Overcast | 19° /11° | 4 mm | 5 | |
| 22 May |  Sunny | 24° /12° | 0 mm | 6.7 | |
| 23 May | Sunny | 27° /15° | 0 mm | 5.5 | |
| 24 May | Sunny | 27° /15° | 0 mm | 7.1 | |
| 25 May | Sunny | 27° /15° | 0 mm | 7.4 | |
| 26 May | Sunny | 27° /13° | 0 mm | 7.1 | |
| 27 May | Sunny | 19° /9° | 0 mm | 4 | |
| 28 May | Sunny | 18° /8° | 0 mm | 4 | |
| 29 May | Sunny | 18° /8° | 0 mm | 4 | |
| 30 May | Sunny | 17° /6° | 0 mm | 4 | |
| 31 May | Sunny | 18° /8° | 0 mm | 4 | |
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Guide for Rotterdam in May
In May, Rotterdam, Netherlands experiences a transition from the cool spring weather to the warmer temperatures of early summer. At the beginning of the month, the weather in Rotterdam is typically mild, with average temperatures around 12°.
The city experiences frequent cloudy days with occasional showers. As the month progresses, the temperatures gradually rise, and by the end of May, the weather becomes noticeably warmer, with average temperatures reaching around 17°.
The chances of rainfall decrease towards the end of the month, and the city begins to see more sunny days.
The weather in Rotterdam during May is influenced by its coastal location, with the North Sea playing a significant role in moderating the temperatures.
Travelers visiting Rotterdam during this time should be prepared for variable weather conditions and should pack layers to accommodate the changing temperatures throughout the month.
Overall, May in Rotterdam offers a pleasant transition from spring to summer, with the city's parks and outdoor attractions coming to life as the weather becomes more favorable for outdoor activities.
Rotterdam in May - FAQ
What are the expected maximum and minimum temperatures in Rotterdam during May?
How much rainfall should be expected in Rotterdam during May?
What are the typical wind conditions in Rotterdam during May?
May rainfall patterns in Rotterdam
UV exposure in Rotterdam during May
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