Hillsborough Weather in December

Thinking of visiting Hillsborough in December? Expect low temperatures reaching 9°C (48°F) during the day, dropping to 4°C (39°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Hillsborough in December

Historically, approximately 20 days this month are expected to have rain, averaging 87 mm (3.4 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Hillsborough in December

Temperatures in Hillsborough in December top out at 9°C (48°F) and drop to 4°C (39°F) overnight. The winter season is characteristic of December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Hillsborough in December

The area sees fewer sunny days, with a projection of about 39 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

Wind Speed in Hillsborough in December

Average wind conditions reach 5 m/s (10 knots) in December. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in December

With water temperatures around 10°C (50°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

December in Hillsborough can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• 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 Hillsborough's climate page.

Hillsborough Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Water Temperature 10°C (50°F) *  

Chance of Rain 66%  

Precipitation 87 mm (3.4 in)  

Rainy days 20 days  

Humidity 90% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 39 hours *  

Percentage Sunshine 15% *  

* Data from: Belfast, Ireland (22 KM, 14 Miles).

What to Wear in Hillsborough 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. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 10°C (50°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Hillsborough 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 Hillsborough's climate page.

More climate data for Hillsborough

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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