
Rotterdam Walk: Highlights, Architecture, Gems & WWII | 2 or 3hrs
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Rotterdam, Netherlands
Weather month by month, from 20 years of weather-station records.
Average daily high and low, total rainfall and days with at least 2.5 mm of rain.
| Month | High / low | Rain | Verdict |
|---|---|---|---|
| January | 7°C / 2°C | 79 mm · 9 days | Cold |
| February | 8°C / 2°C | 64 mm · 8 days | Cold |
| March | 11°C / 3°C | 55 mm · 7 days | Cold |
| April | 15°C / 5°C | 40 mm · 5 days | Fair |
| May | 18°C / 8°C | 66 mm · 7 days | Fair |
| June | 21°C / 12°C | 64 mm · 7 days | Great |
| July | 23°C / 14°C | 84 mm · 8 days | Great |
| August | 23°C / 14°C | 87 mm · 8 days | Great |
| September | 20°C / 11°C | 84 mm · 7 days | Great |
| October | 16°C / 8°C | 94 mm · 9 days | Fair |
| November | 11°C / 5°C | 88 mm · 10 days | Cold |
| December | 8°C / 3°C | 85 mm · 10 days | Cold |
Spring sees the city awaken with blooming flowers in the parks and outdoor terraces filling up. Temperatures are mild, and the famous Rotterdam Marathon takes place in April.
Warm, long days with average highs around 22°C (72°F). The city is lively with festivals, open-air cinema, and bustling harbor terraces. This is peak tourist season.
Crisp air and beautiful fall colors in the parks. Cultural season is in full swing with museum exhibitions and indoor events. The weather becomes increasingly wet and windy.
Cold, gray, and often wet, with temperatures around 5°C (41°F). The city compensates with cozy cafes, winter lights, and the magical Christmas Market at the Schouwburgplein.
In January, Rotterdam averages highs of 7°C and lows of 2°C, with about 9 rainy days and 79 mm of rain. It is cold, so pack warm layers.
In February, Rotterdam averages highs of 8°C and lows of 2°C, with about 8 rainy days and 64 mm of rain. It is cold, so pack warm layers.
In March, Rotterdam averages highs of 11°C and lows of 3°C, with about 7 rainy days and 55 mm of rain. It is cold, so pack warm layers.
In April, Rotterdam averages highs of 15°C and lows of 5°C, with about 5 rainy days and 40 mm of rain. Expect mixed weather, with comfortable spells.
In May, Rotterdam averages highs of 18°C and lows of 8°C, with about 7 rainy days and 66 mm of rain. Expect mixed weather, with comfortable spells.
In June, Rotterdam averages highs of 21°C and lows of 12°C, with about 7 rainy days and 64 mm of rain. It is one of the most comfortable months for sightseeing.
In July, Rotterdam averages highs of 23°C and lows of 14°C, with about 8 rainy days and 84 mm of rain. It is one of the most comfortable months for sightseeing.
In August, Rotterdam averages highs of 23°C and lows of 14°C, with about 8 rainy days and 87 mm of rain. It is one of the most comfortable months for sightseeing.
In September, Rotterdam averages highs of 20°C and lows of 11°C, with about 7 rainy days and 84 mm of rain. It is one of the most comfortable months for sightseeing.
In October, Rotterdam averages highs of 16°C and lows of 8°C, with about 9 rainy days and 94 mm of rain. Expect mixed weather, with comfortable spells.
In November, Rotterdam averages highs of 11°C and lows of 5°C, with about 10 rainy days and 88 mm of rain. It is cold, so pack warm layers.
In December, Rotterdam averages highs of 8°C and lows of 3°C, with about 10 rainy days and 85 mm of rain. It is cold, so pack warm layers.
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June is the most comfortable month on average, with highs of 21°C. July and August are close behind.
October is the wettest month, with about 94 mm of rain.
July is the warmest month, with average highs of 23°C and lows of 14°C. The coldest nights come in January, averaging 2°C.
Averages for 2006–2025 from the ROTTERDAM weather station (5 km from the centre), NOAA Global Historical Climatology Network. Verdicts rate sightseeing comfort from daytime highs and rainy days.