Hillingdon Weather in December

December in Hillingdon typically sees daytime highs of 9°C (48°F) and nighttime lows of 3°C (37°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.

Rainfall in Hillingdon in December

Typically, about 16 days will experience rainfall, with an average of 62 mm (2.4 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Hillingdon in December

Expect highs of 9°C (48°F) in Hillingdon in December, with nights dropping to around 3°C (37°F). December is known for being in the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Hillingdon in December

The city usually sees around 54 hours of sunlight, indicating fewer sunny days.

Wind Speed in Hillingdon in December

In December, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Hillingdon. Our weather planner can help you explore destinations with more pleasant weather conditions.