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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Harrow's climate page.

Harrow Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 52%  

Precipitation 62 mm (2.4 in)  

Rainy days 16 days  

Humidity 81% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 54 hours *  

Percentage Sunshine 21% *  

* Data from: London, the United Kingdom (13 KM, 8 Miles).

What to Wear in Harrow in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Harrow in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Harrow's climate page.

More climate data for Harrow

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Harrow climate overview or explore weather in the United Kingdom.