Armagh County Weather in January

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

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Armagh Portadown

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

What to Expect in Armagh County in January

Armagh County, the United Kingdom is a region in the United Kingdom. January in Armagh County generally has cold temperatures, with moderate precipitation. During January, winter is in full swing.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 3°C (37°F) in Armagh. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

To learn more about the conditions in specific areas of Armagh County, the United Kingdom, check out the map below.

Precipitation

January is a moderate rainy month with an average rainfall of around 80 mm (3.1 in) in Armagh.

Average sunshine

Sunshine is more restricted in many locations in January. Armagh sees roughly 45 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

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) June18°C (64°F) This monthJuly20°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 January

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 January for some of the most popular destinations in Armagh County, the United Kingdom?

Temperature range in Armagh County (January)

Precipitation variation in Armagh County (January)

Armagh

In January 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.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
39 hours
45 hours
67 hours
Monthly rainfall
83 mm (3.3 in)
80 mm (3.1 in)
75 mm (3 in)
Monthly rainy days
20 days
21 days
16 days
Weather conditions
poor
poor
poor
Climate in Armagh →

Portadown

In January 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.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
39 hours
45 hours
67 hours
Monthly rainfall
81 mm (3.2 in)
77 mm (3 in)
72 mm (2.8 in)
Monthly rainy days
20 days
21 days
16 days
Weather conditions
poor
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 January extremes

Notable January 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.

  • Based on our data, the coldest January night in the United Kingdom dropped to -20°C (-4°F) in Birmingham on January 14, 1982.

Popular cities in January

Day & night temperatures, rainfall and average weather in Armagh County in January.

City Weather Day temp Night temp Rainfall
Armagh 9°C (48°F) 3°C (37°F) 80 mm (3.1 in)
Portadown 9°C (48°F) 3°C (37°F) 77 mm (3 in)

Armagh County weather in January: frequently asked questions

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

Armagh County, the United Kingdom typically experiences poor weather in January, part of the winter season. Daytime highs in Armagh average around 9°C (48°F), and temperatures drop to about 3°C (37°F) at night.

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

Daytime temperatures in Armagh peak at roughly 9°C (48°F) in January, dropping to about 3°C (37°F) overnight.

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

Not particularly. Armagh averages just 80 mm (3.1 in) of rain in January, making it a mostly dry month for Armagh County, the United Kingdom.

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

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

On average, the best time to visit Armagh County, the United Kingdom is in July with generally perfect weather in Armagh. On the other hand, the weather in January, February and December tend to be poor.

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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