Yearly weather and climate in Rotterdam, Netherlands

The yearly weather in Rotterdam runs from around 3°C in January to 23°C in August. September is the driest month at 10 rainy days; October the wettest at 17. Here is the annual climate data, so you know what you are packing for.

Best time to visit

Weather is fairly consistent year-round. Pack for stable conditions.

Sunshine

Expect up to 12.1 hours of clear skies in Jun, but only 2.7 hours in Dec. Pack sunglasses and SPF accordingly.

Rainfall

Rainfall peaks in Oct (108mm), but it's generally moderate. A light travel umbrella should be enough.

Day-to-night swings

Temperatures typically drop by 7°C from day to night. Make sure to pack layers for the evenings.

Average temperatures and rainfall

Daily highs and lows in Rotterdam, averaged over 10 years of recorded weather, with the number of days it typically rains.

  1. 745°337°13Jan
  2. 949°439°14Feb
  3. 1152°439°13Mar
  4. 1356°542°11Apr
  5. 1864°948°13May
  6. 2171°1355°12Jun
  7. 2271°1457°16Jul
  8. 2373°1560°14Aug
  9. 2069°1355°10Sep
  10. 1660°1050°17Oct
  11. 1152°643°16Nov
  12. 846°438°15Dec

Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Sep is typically driest at 10 days (80mm); Oct the wettest at 17 days (108mm).

Average monthly temperature and rainfall in Rotterdam
MonthAverage highAverage lowRainy daysTotal rainfall
Jan7°C3°C1378mm
Feb9°C4°C1486mm
Mar11°C4°C1363mm
Apr13°C5°C1165mm
May18°C9°C1375mm
Jun21°C13°C1273mm
Jul22°C14°C1686mm
Aug23°C15°C1477mm
Sep20°C13°C1080mm
Oct16°C10°C17108mm
Nov11°C6°C1694mm
Dec8°C4°C1588mm

Weather data by Open-Meteo.com

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