Armagh County Weather in December

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

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Armagh Portadown

Planning a trip to Armagh County, the United Kingdom this December? Here's what you need to know about the weather:

What to Expect in Armagh County in December

Armagh County, the United Kingdom is a region in the United Kingdom. December in Armagh County generally has cold temperatures, with moderate precipitation. It's the height of winter.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 3°C (37°F) in Armagh.

For a closer look at conditions across Armagh County, the United Kingdom, refer to the map below.

Precipitation

December is a moderate rainy month with an average rainfall of around 83 mm (3.3 in) in Armagh.

Average sunshine

Sunshine is more limited in many areas during this month. Armagh receives about 39 hours of sunlight. For sunnier weather, check our weather planner to find destinations with better conditions.

Explore Armagh County by month

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

January9°C (48°F) February9°C (48°F) March11°C (52°F) April13°C (55°F) May16°C (61°F) This monthJune18°C (64°F) July20°C (68°F) August19°C (66°F) September18°C (64°F) October14°C (57°F) November11°C (52°F) December9°C (48°F)
Best Time to Visit Armagh County →

Best Places to Visit in Armagh County in December

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

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

Temperature range in Armagh County (December)

Precipitation variation in Armagh County (December)

Armagh

In December Armagh generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°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)
3°C (37°F)
3°C (37°F)
Monthly sun hours
59 hours
39 hours
45 hours
Monthly rainfall
84 mm (3.3 in)
83 mm (3.3 in)
80 mm (3.1 in)
Monthly rainy days
19 days
20 days
21 days
Weather conditions
unpleasant
poor
poor
Climate in Armagh →

Portadown

In December Portadown generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°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)
3°C (37°F)
3°C (37°F)
Monthly sun hours
59 hours
39 hours
45 hours
Monthly rainfall
82 mm (3.2 in)
81 mm (3.2 in)
77 mm (3 in)
Monthly rainy days
19 days
20 days
21 days
Weather conditions
unpleasant
poor
poor
Climate in Portadown →

Is your destination not in the list? Have a look at all destinations in Armagh 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 Armagh County in December.

City Weather Day temp Night temp Rainfall
Armagh 9°C (48°F) 3°C (37°F) 83 mm (3.3 in)
Portadown 9°C (48°F) 3°C (37°F) 81 mm (3.2 in)

Armagh County weather in December: frequently asked questions

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

Expect poor weather across Armagh County, the United Kingdom in December. The popular destination of Armagh averages 9°C (48°F) by day and 3°C (37°F) at night during this winter month.

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

Armagh averages a daytime maximum of 9°C (48°F) in December, with overnight lows close to 3°C (37°F).

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

December is on the drier side in Armagh County, the United Kingdom. Armagh averages only about 83 mm (3.3 in), with most days staying dry.

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

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

Generally speaking, the best visiting conditions can be found in July offering mostly perfect weather in Armagh. On the other hand, the months of January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Armagh 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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