North Ireland in january: average Weather, Temperature and Climate, Where to go?
Weather in Northern Ireland in january 2025
Here, find the the weather forecast for january for most popular cities in North Ireland. These predictions are probabilities for the month of january from weather reports for many years. The percentage indicates the probability of having the weather mentioned.
Average weather in january in Belfast
very bad weather 35.9cm
Weather at 6am
41°F
Cloudy
26% of time
24%
15%
13%
Weather at 12pm
45°F
Cloudy
26% of time
22%
18%
17%
Weather at 6pm
41°F
Partly Cloudy
25% of time
23%
18%
15%
Weather at 3am
41°F
24%
24%
15%
15%
Where to go in Northern Ireland in january?
Where to go in Northern Ireland in january: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in january?
| County Antrim (Belfast, Ballycastle (Causeway Coast), Larne...) | 45°F to 47°F | 3 à 10 days | 49°F | very bad weather |
| County Armagh (Armagh, Craigavon, Portadown...) | 45°F | 3 à 4 days | very bad weather | |
| County Down (Donwpatrick, Bangor, Newry...) | 43°F to 47°F | 3 à 7 days | 49°F to 50°F | very bad weather |
| County Fermanagh (Enniskillen (Fermanagh)...) | 45°F | 8 days | very bad weather | |
| County Londonderry (Derry (Londonderry), Portstewart, Coleraine...) | 45°F to 47°F | 3 à 9 days | 49°F to 50°F | very bad weather |
| County Tyrone (Strabane, Omagh, Dungannon...) | 43°F to 45°F | 3 à 5 days | very bad weather |
Where should you go in Northern Ireland in january when it comes to the weather?
Remember:
The climate in Northern Ireland in january is very bad across the board.
The month of january is one of the worst month for traveling to North Ireland. The climate in Bangor (Strangford Lough district), Enniskillen (Fermanagh), Derry (Londonderry), Donwpatrick, Belfast, Armagh, Larne and Ballycastle (Causeway Coast) and everywhere in the country is ver bad. It's cold, the sun is not there all the time and you take the risk of being you soak in the rain very often wherever you go.
Climate in Northern Ireland in january
Climate in Belfast in january
In january, the mean temperature in Belfast is 43°F (maximum temperature is 45°F and minimum temperature is 40°F). The climate is quite cold here in this month. Do not forget to take with you warm clothes! With 4.3in over 7 days, you will experience some showers for your journey. But this is moderate and it will not be continuous.
| January | |||
| Average temperature | 43°F | ||
| Highest temperature | 45°F | ||
| Lowest temperature | 40°F | ||
| Sea temperature | 48°F | ||
| Rainfall | 4.3in | ||
| Number of days with rainfall | 7 day(s) (24%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 6 | ||
| Cloud cover | 63% | ||
| Length of day | 07:53 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Armagh in january
In the month of january, the mean temperature in Armagh is 41°F (maximum temperature is 45°F and minimum temperature is 38°F). The climate is rather cold here in the month of january. Do not forget to cover yourself! With 2.6in over 4 days, you will experience some showers for your journey. But this is rather moderate and you will not be too bothered by it.
| January | |||
| Average temperature | 41°F | ||
| Highest temperature | 45°F | ||
| Lowest temperature | 38°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 95% | ||
| Daily sunshine hours | 6 | ||
| Cloud cover | 67% | ||
| Length of day | 07:55 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Ballycastle (Causeway Coast) in january
In the month of january, maximum temperature is 47°F and minimum temperature is 41°F (for an average temperature of 43°F). The climate is rather more than very fresh in that area in this month. Plan a sweater! With 5.5in over 10 days, rainfall can happen for your vacations. But this is pretty reasonably and you will not be too bothered by it.
| January | |||
| Average temperature | 43°F | ||
| Highest temperature | 47°F | ||
| Lowest temperature | 41°F | ||
| Sea temperature | 49°F | ||
| Rainfall | 5.5in | ||
| Number of days with rainfall | 10 day(s) (31%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 6 | ||
| Cloud cover | 64% | ||
| Length of day | 07:47 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Derry (Londonderry) in january
In the month of january, the mean temperature in Derry (Londonderry) is 41°F (maximum temperature is 45°F and minimum temperature is 38°F). The climate is quite cold around this city in this month. Do not forget to cover yourself! With 2.4in over 3 days, rainfall can happen throughout your trip. But this is reasonably and you will not be too bothered by it.
| January | |||
| Average temperature | 41°F | ||
| Highest temperature | 45°F | ||
| Lowest temperature | 38°F | ||
| Sea temperature | 50°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 3 day(s) (10%) | ||
| Humidity | 92% | ||
| Daily sunshine hours | 5 | ||
| Cloud cover | 68% | ||
| Length of day | 07:48 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Donwpatrick in january
In january, maximum temperature is 47°F and minimum temperature is 43°F (for an average temperature of 45°F). The climate is rather more than very fresh in this location in the month of january. Plan a sweater! With 3.3in over 5 days, rainfall can happen throughout your journey. But this is reasonably and you will not be too bothered by it.
| January | |||
| Average temperature | 45°F | ||
| Highest temperature | 47°F | ||
| Lowest temperature | 43°F | ||
| Sea temperature | 49°F | ||
| Rainfall | 3.3in | ||
| Number of days with rainfall | 5 day(s) (18%) | ||
| Humidity | 86% | ||
| Daily sunshine hours | 6 | ||
| Cloud cover | 59% | ||
| Length of day | 07:55 | ||
| Our opinion at whereandwhen.net | very bad |
All cities in Northern Ireland in january
| Belfast in january | very bad weather |
| Armagh in january | very bad weather |
| Ballycastle (Causeway Coast) in january | very bad weather |
| Derry (Londonderry) in january | very bad weather |
| Donwpatrick in january | very bad weather |
| Enniskillen (Fermanagh) in january | very bad weather |
| Larne in january | very bad weather |
| Annalong in january | very bad weather |
| Antrim in january | very bad weather |
| Ballyclare in january | very bad weather |
| Ballymena in january | very bad weather |
| Ballymoney in january | very bad weather |
| Ballywalter in january | very bad weather |
| Banbridge in january | very bad weather |
| Bangor in january | very bad weather |
| Carrickfergus in january | very bad weather |
| Castlereagh in january | very bad weather |
| Castlerock in january | very bad weather |
| Coleraine in january | very bad weather |
| Cookstown in january | very bad weather |
| Craigavon in january | very bad weather |
Weather data for North Ireland in january:
Weather data for North Ireland in january is derived from an average of the weather forecast since 2009 in Northern Ireland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Northern Ireland can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Northern Ireland.