February in Upplands-Bro is the snowiest month of the year. In February, the weather in Upplands-Bro is typically freezing. Average daily high temperature in February is about zero. On average, Upplands-Bro has 9 cloudy, 9 partly cloudy, 6 sunny, 3 snowy, and 2 rainy days in February. The snowfalls are usually light. February as well as January, March, April, and May is considered the most uncomfortable time to visit Upplands-Bro.