Down County Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Down County, the United Kingdom in December.

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Bangor Newcastle Rostrevor Hillsborough

Thinking about venturing to Down County, the United Kingdom this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Down County in December

Down County, the United Kingdom is a region in the United Kingdom. December in Down County generally has cold temperatures, with precipitation levels ranging from moderate to high.

Temperatures

You can expect cold maximum daytime temperatures of around 10°C (50°F) and nighttime temperatures around 6°C (43°F) in Bangor.

For specific regional insights in Down County, the United Kingdom, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Banbridge with an average of 80 mm (3.1 in) to high rainfall in Bangor with 116 mm (4.6 in).

Average sunshine

Sunshine is quite limited in many locations during December. Bangor receives roughly 39 hours of sunlight. For destinations with more sunshine, our weather planner offers alternatives worldwide.

Explore Down County by month

Pick a month to see the average temperature, rainfall and sunshine in Down County — and find the best time to visit. (based on Bangor)

January9°C (48°F) February9°C (48°F) March10°C (50°F) April11°C (52°F) May13°C (55°F) June15°C (59°F) This monthJuly17°C (63°F) August17°C (63°F) September16°C (61°F) October14°C (57°F) November12°C (54°F) December10°C (50°F)
Best Time to Visit Down County →

Best Places to Visit in Down County in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Down County.

Conditions Temperatures Precipitation
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).

Popular Destinations in Down County

What is the weather like in December for some of the most popular destinations in Down County, the United Kingdom?

Temperature range in Down County (December)

Precipitation variation in Down County (December)

Bangor

In December Bangor generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
12°C (54°F)
10°C (50°F)
9°C (48°F)
Min temperature
7°C (45°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
59 hours
39 hours
45 hours
Monthly rainfall
120 mm (4.7 in)
116 mm (4.6 in)
106 mm (4.2 in)
Monthly rainy days
18 days
19 days
20 days
Weather conditions
poor
poor
poor
Climate in Bangor →

Newcastle

In December Newcastle generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 5°C (41°F) and high monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
12°C (54°F)
10°C (50°F)
9°C (48°F)
Min temperature
7°C (45°F)
5°C (41°F)
5°C (41°F)
Monthly sun hours
59 hours
39 hours
45 hours
Monthly rainfall
115 mm (4.5 in)
103 mm (4.1 in)
98 mm (3.9 in)
Monthly rainy days
18 days
19 days
20 days
Weather conditions
poor
poor
poor
Climate in Newcastle →

Rostrevor

In December Rostrevor generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
9°C (48°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
59 hours
39 hours
45 hours
Monthly rainfall
94 mm (3.7 in)
86 mm (3.4 in)
82 mm (3.2 in)
Monthly rainy days
18 days
19 days
20 days
Weather conditions
unpleasant
poor
poor
Climate in Rostrevor →

Hillsborough

In December Hillsborough generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
9°C (48°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
59 hours
39 hours
45 hours
Monthly rainfall
91 mm (3.6 in)
87 mm (3.4 in)
83 mm (3.3 in)
Monthly rainy days
19 days
20 days
21 days
Weather conditions
unpleasant
poor
poor
Climate in Hillsborough →

Warrenpoint

In December Warrenpoint generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
9°C (48°F)
Min temperature
5°C (41°F)
4°C (39°F)
3°C (37°F)
Monthly sun hours
59 hours
39 hours
45 hours
Monthly rainfall
86 mm (3.4 in)
81 mm (3.2 in)
77 mm (3 in)
Monthly rainy days
18 days
19 days
20 days
Weather conditions
unpleasant
poor
poor
Climate in Warrenpoint →

Is your destination not in the list? Have a look at all destinations in Down County, in the United Kingdom.

In our records: the United Kingdom December extremes

Notable December records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest December daytime high in the United Kingdom was -10°C (14°F) in Glasgow on December 29, 1995.
  • From our sources, the wettest December day in the United Kingdom brought 301 mm (12 in) in Belfast on December 4, 1982.

Popular cities in December

Day & night temperatures, rainfall and average weather in Down County in December.

City Weather Day temp Night temp Rainfall
Bangor 10°C (50°F) 6°C (43°F) 116 mm (4.6 in)
Newcastle 10°C (50°F) 5°C (41°F) 103 mm (4.1 in)
Rostrevor 9°C (48°F) 4°C (39°F) 86 mm (3.4 in)
Hillsborough 9°C (48°F) 4°C (39°F) 87 mm (3.4 in)
Warrenpoint 9°C (48°F) 4°C (39°F) 81 mm (3.2 in)
Annalong 10°C (50°F) 6°C (43°F) 107 mm (4.2 in)

Down County weather in December: frequently asked questions

What is the weather like in Down County, the United Kingdom in December?

In December, Down County, the United Kingdom generally has poor weather conditions. Bangor sees daytime temperatures near 10°C (50°F), with nights cooling to roughly 6°C (43°F).

What is the average temperature in Down County, the United Kingdom in December?

Average temperatures in Down County, the United Kingdom during December range from a nighttime low near 6°C (43°F) to a daytime high around 10°C (50°F) in Bangor.

Does Down County, the United Kingdom get a lot of rain in December?

Bangor typically receives notable rainfall in December, about 116 mm (4.6 in) on average across Down County, the United Kingdom.

Is December a Good Time to Visit Down County, the United Kingdom?

Given the typically poor weather conditions in Bangor, December may not be the ideal time to visit Down County, the United Kingdom.

Generally speaking, June, July, August and September provide tolerable weather in Bangor. In contrast, January, February, March, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Down County.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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