What August feels like in Rotterdam
Late summer arrives in Rotterdam with August. The middle of the day is pleasantly mild. Little changes after sunset — nights stay mild, only slightly below the daytime level. Humidity is on the high side, but mild temperatures keep it comfortable.
Rain in Rotterdam in August
Rain is part of normal life this month, falling on about every other day. A rainy day brings about 5.4 mm (0.2 in) on average — steady rain rather than a passing shower. That is close to Rotterdam's typical rain per wet day for the whole year (about 5.4 mm). It is among the three wettest months of the year.
Daylight and sunshine in August
In mid-August, sunrise is at about 6:25 am and sunset at about 9:09 pm (local time) — 14 h 44 min of daylight. Days are getting shorter: 1 h 34 min less daylight than in mid-July. The sun is out for roughly 75% of those daylight hours, so there are plenty of bright spells.
How August compares to the rest of the year
In Rotterdam's temperature order, August sits as the 2nd warmest month. Against July, the average high is 0.4°C (0.7°F) lower, with 4 mm less rain. The cooling trend carries on into September. By September, typical highs are 19.2°C (66.6°F).
Who August suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.
- Beach: less ideal — too many rainy days.
Tips for visiting Rotterdam in August
Rain Protection
A compact umbrella and a light waterproof jacket.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Rotterdam in August?
Afternoons average 21.8°C (71.2°F) and nights about 14.6°C (58.3°F) — mild by most people's standards. It is the 2nd warmest month of the year.
Does it rain a lot in Rotterdam in August?
Yes, fairly — rain falls about every other day and totals about 81 mm, so an umbrella is worth carrying.
What should I wear in Rotterdam in August?
Pack rain protection and sunglasses. Evenings feel similar to the day, so the same clothes work from morning to night.
Is August or September better for visiting Rotterdam?
On our 12-month climate ranking, September comes out ahead (#3 of 12 vs #5). September is cooler and has fewer rainy days.