Harrow Weather in December

December in Harrow brings low temperatures, with daytime highs of 9°C (48°F) and nights around 3°C (37°F). Quite a bit of rainfall is expected, around 62 mm (2.4 in), so pack an umbrella.

Rainfall in Harrow in December

You can expect rain on around 16 days based on historical patterns, with 62 mm (2.4 in) average for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Harrow in December

December in Harrow sees highs of 9°C (48°F) and lows of 3°C (37°F) overnight. The winter season is characteristic of December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Harrow in December

This month is characterized by fewer sunny days, with about 54 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Wind Speed in Harrow 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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Harrow.