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December weather forecast in Poissy

Average data for 10 years

In December, the weather in Poissy is typically cold. Average daily high temperature in December is about 5 degrees above zero. On average, Poissy has 16 cloudy, 13 rainy, and 4 sunny days in December. Decemberas well as January, February, March, and April is considered the most uncomfortable time to visit Poissy.