Hillsborough
Weather by month
Current –

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.

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).

Hillsborough Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Hillsborough - and find the best time to visit.

Best Places in the United Kingdom in December

Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in December →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Hillsborough 3-Day Forecast

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.