Windsor Weather in December

December in Windsor averages 9°C (48°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 63 mm (2.5 in) on average. An umbrella is a good idea.

Rainfall in Windsor in December

Looking at the last 30 years, the data shows about 17 days with rain, averaging 63 mm (2.5 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 Windsor in December

December in Windsor brings low temperatures, with highs of 9°C (48°F) and nights around 3°C (37°F). December marks the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. 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 Windsor 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 Windsor in December

December sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Windsor. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Windsor's climate page.

Windsor Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 55%  

Precipitation 63 mm (2.5 in)  

Rainy days 17 days  

Humidity 81% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 54 hours *  

Percentage Sunshine 21% *  

* Data from: London, the United Kingdom (11 KM, 7 Miles).

What to Wear in Windsor in December

We recommend to layer up for chilly conditions in Windsor in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Windsor 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 Windsor's climate page.

More climate data for Windsor

Temperature Rainfall Sunshine Humidity Wind Speed

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