County Antrim Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in County Antrim, Ireland in January.

Are you planning a trip a to County Antrim, Ireland in January and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in County Antrim in January

County Antrim, Ireland is a region in Ireland. January in County Antrim 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 4°C (39°F) in Lisburn. 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.

For a closer look at conditions across County Antrim, Ireland, refer to the map below.

Precipitation

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

Average sunshine

Sunshine tends to be more scarce in many locations. Lisburn gets roughly 45 hours of sunlight. For sunnier alternatives, check our weather planner to find destinations with better conditions.

Explore County Antrim by month

Best Places to Visit in County Antrim in January

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

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 County Antrim

What is the weather like in January for some of the most popular destinations in County Antrim, Ireland?

Temperature range in County Antrim (January)

Precipitation variation in County Antrim (January)

Lisburn

In January Lisburn 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.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
4°C (39°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
39 hours
45 hours
67 hours
Monthly rainfall
88 mm (3.5 in)
83 mm (3.3 in)
76 mm (3 in)
Monthly rainy days
20 days
21 days
16 days
Weather conditions

Belfast

In January Belfast 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
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)
74 mm (2.9 in)
Monthly rainy days
21 days
22 days
17 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in County Antrim, in Ireland.

Popular cities in January

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

City Weather Day temp Night temp Rainfall
Lisburn 9°C (48°F) 4°C (39°F) 83 mm (3.3 in)
Belfast 9°C (48°F) 3°C (37°F) 80 mm (3.1 in)

County Antrim weather in January: frequently asked questions

What is the weather like in County Antrim, Ireland in January?

Expect poor weather across County Antrim, Ireland in January. The popular destination of Lisburn averages 9°C (48°F) by day and 4°C (39°F) at night during this winter month.

What is the average temperature in County Antrim, Ireland in January?

Average temperatures in County Antrim, Ireland during January range from a nighttime low near 4°C (39°F) to a daytime high around 9°C (48°F) in Lisburn.

Does County Antrim, Ireland get a lot of rain in January?

Not particularly. Lisburn averages just 83 mm (3.3 in) of rain in January, making it a mostly dry month for County Antrim, Ireland.

Is January a Good Time to Visit County Antrim, Ireland?

In our view, January might not be the best time to travel to County Antrim, Ireland with often poor weather in Lisburn.

On average, the best time to visit County Antrim, Ireland is in June, July and August with generally pleasant weather in Lisburn. In contrast, January, February and December tend to have poor weather conditions.

Interested in more climate information?

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

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

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.

Bucket list

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