Rotterdam, South Holland, The Netherlands climate
Average temperatures, precipitation and all-time records for Rotterdam, South Holland, The Netherlands, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 22°C, and its coldest is February, with an average low of 1°C.
Rotterdam is the second-largest city in the Netherlands by population and the largest by area (319.4 km2). via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Rotterdam, South Holland, The Netherlands's own ±7-day seasonal distribution.
Rotterdam average temperatures by month
Typical daily high and low, and average precipitation, for each month in Rotterdam, South Holland, The Netherlands, based on 1981–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 5°C | 2°C | 3 mm |
| February | 6°C | 1°C | 3 mm |
| March | 9°C | 3°C | 3 mm |
| April | 12°C | 5°C | 3 mm |
| May | 16°C | 9°C | 3 mm |
| June | 18°C | 12°C | 3 mm |
| July | 21°C | 14°C | 3 mm |
| August | 22°C | 15°C | 3 mm |
| September | 19°C | 13°C | 3 mm |
| October | 15°C | 10°C | 3 mm |
| November | 10°C | 6°C | 3 mm |
| December | 6°C | 3°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 33°C on 2019-07-25
- Coldest day on record: -12°C on 1997-01-02
Percentiles compare each day to Rotterdam, South Holland, The Netherlands's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →