South Holland weather in August
August is one of the best months to visit South Holland: highs of 21°C (71°F) and about 87 mm (3.4 in) of rain on average. Nights average 15°C (59°F) and cloud cover 64% (NASA POWER, 2001–2025 averages). It is the wettest month of the year and the warmest. Compared with July, it is about as warm and about as wet; September brings highs of 19°C (66°F) and 70 mm (2.8 in) of rain.
Figures are long-term averages for Rotterdam, the largest city in South Holland. See below for other places.
Is August a good time to visit South Holland?
best month Weather score 73/100.
Yes. August is one of the best months for weather in South Holland.
Does it rain a lot in South Holland in August?
Some rain is normal: about 87 mm (3.4 in) falls in an average August. It is the wettest month of the year.
How warm is South Holland in August?
Days average 21°C (71°F) and nights 15°C (59°F).
South Holland weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 6°C (42°F) | 2°C (36°F) | 77 mm | 74% | least pleasant |
| February | 6°C (43°F) | 2°C (35°F) | 66 mm | 72% | least pleasant |
| March | 9°C (47°F) | 3°C (38°F) | 55 mm | 66% | least pleasant |
| April | 13°C (55°F) | 6°C (42°F) | 38 mm | 61% | fair |
| May | 16°C (61°F) | 9°C (49°F) | 56 mm | 65% | best |
| June | 19°C (66°F) | 13°C (55°F) | 62 mm | 67% | best |
| July | 21°C (70°F) | 15°C (59°F) | 78 mm | 64% | best |
| August | 21°C (71°F) | 15°C (59°F) | 87 mm | 64% | best |
| September | 19°C (66°F) | 13°C (55°F) | 70 mm | 61% | best |
| October | 15°C (58°F) | 10°C (49°F) | 79 mm | 68% | fair |
| November | 10°C (50°F) | 6°C (43°F) | 81 mm | 73% | least pleasant |
| December | 7°C (44°F) | 3°C (38°F) | 85 mm | 74% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across South Holland in August
Weather can differ a lot within South Holland: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Rotterdam | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| The Hague | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Leiden | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Dordrecht | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Zoetermeer | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Delft | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Schiedam | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Spijkenisse | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Vlaardingen | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Gouda | 23°C (73°F) | 13°C (56°F) | 83 mm | best |
| Alphen aan den Rijn | 21°C (71°F) | 15°C (59°F) | 87 mm | best |
| Capelle aan den IJssel | 21°C (71°F) | 15°C (59°F) | 87 mm | best |