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Delft Weather by Month
Average temperatures, rainfall and humidity for Delft, Netherlands, month by month, built from OpenWeather's historical records. Use it to see what a typical Delft month looks like before you travel — then check the live Delft forecast for the days ahead.
Warmest month
August
23°C average high
Coolest month
January
3°C average low
Wettest month
December
77 mm of rain
Driest month
April
43 mm of rain
Average temperature and rainfall in Delft by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 7°C | 3°C | -10°C / 15°C | 69 mm | 87% | 17 km/h |
| February | 8°C | 3°C | -8°C / 18°C | 48 mm | 84% | 18 km/h |
| March | 10°C | 4°C | -7°C / 23°C | 46 mm | 79% | 17 km/h |
| April | 14°C | 6°C | -3°C / 25°C | 43 mm | 75% | 15 km/h |
| May | 17°C | 10°C | 2°C / 31°C | 47 mm | 76% | 14 km/h |
| June | 21°C | 14°C | 7°C / 36°C | 69 mm | 76% | 14 km/h |
| July | 23°C | 15°C | 9°C / 38°C | 55 mm | 75% | 12 km/h |
| August | 23°C | 15°C | 8°C / 34°C | 64 mm | 77% | 13 km/h |
| September | 20°C | 13°C | 5°C / 33°C | 65 mm | 81% | 13 km/h |
| October | 15°C | 10°C | 1°C / 24°C | 76 mm | 86% | 16 km/h |
| November | 11°C | 6°C | -5°C / 18°C | 68 mm | 87% | 16 km/h |
| December | 8°C | 4°C | -6°C / 15°C | 77 mm | 88% | 18 km/h |
Best time to visit Delft
The most comfortable time to visit Delft is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 729 mm a year.
Travellers who prefer heat should aim for August, when highs average 23°C. December is the month to avoid if rain would spoil your plans — it averages 77 mm, roughly 2× the rainfall of April.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Delft forecast for what is happening now.