Delft has a **temperate oceanic climate (Köppen Cfb)**, with mild summers, cool winters, and rainfall spread through the year. Seasonal temperatures and humidity are consistent with the Netherlands as a whole, with summers typically around 17–19°C and winters around 2–4°C, and the city is generally humid and changeable rather than extreme. According to current conditions, Delft is experiencing mild weather with few clouds and humidity near 78%, which is in line with its maritime climate.
Spring
March - May8-15°C
Spring is cool to mild, with a gradual warm-up and frequent cloud cover or light rain. Conditions often shift quickly, and humidity remains fairly high.
Moderate rainfallSummer
June - August17-23°C
Summer is usually pleasantly mild rather than hot, with average highs near the national summer range of 17–19°C and occasional warmer spells. Rain showers can still occur, but there are also many brighter days.
Moderate rainfallAutumn
September - November9-16°C
Autumn becomes cooler, wetter, and more overcast, with increasing wind and frequent showers. Temperatures decline steadily toward winter, but severe cold is uncommon.
High rainfallWinter
December - February1-6°C
Winter is generally cold but not severe, with average temperatures close to the national winter range of 2–4°C. Frost can occur, but extended snow cover is uncommon and rainy, cloudy days are typical.
Moderate rainfall
