Weather in Rotterdam in August 2025
- August is usually the hottest month of the year in Rotterdam;
Average weather
Average temperature in Rotterdam in August
Going from a maximum of +26°C during the day to a minimum of +11°C during the night, the temperature in August averages around +22°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +20°C to +20°C.
Is Rotterdam warm or cold in August?
Rotterdam is typically mild in August.
Maximum temperatures go up compared to the previous month from +21°C to +21°C. The minimum temperature also goes up from +14°C to +14°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
August is the hottest month in Rotterdam, here is the comparison with other months:
Climate in Rotterdam in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +21°C | +21°C | +19°C | ||||
| Min. temperature | ||||||
| +7°C | +6°C | +3°C | ||||
| Max. temperature | ||||||
| +38°C | +34°C | +32°C | ||||
| Rainfall | ||||||
| 72 mm | 70 mm | 66 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 77% | 78% | 81% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 4 | 4 | 4 | ||||
| Cloudy days | ||||||
| 8 | 8 | 9 | ||||
| Rainy days | ||||||
| 17 | 16 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +21°C for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 72 mm to 70 mm. Humidity rises from 77% to 78%. The average wind speed doesn’t change much during August, staying around 3 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Rotterdam is gradually decreasing during August, going from 6 m/s to 3 m/s over the course of the month.
Rain
How was the weather last August in Rotterdam?
Climate Change over Years
The climate in Rotterdam in August 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 August a good time to visit Rotterdam?
Can you sunbathe in Rotterdam in August?
Is Rotterdam rainy in August?
Is it sunny in Rotterdam in August?
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.