Belfast in january: average Weather, Temperature and Climate
Weather in Belfast in january 2025
The weather in Belfast in january comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout january
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%
Evolution of daily average temperature and precipitation in Belfast in january
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Belfast in january.
The climate of Belfast in january is very bad
the weather in Belfast in january is wet (with 4.3in of rainfall over 7 days). The weather is worst than the previous month since in december there is an average of 4.3in of rainfall over 7 days.
The climate is quite more than very fresh there the month of january. Do not forget to cover yourself! Temperatures are up to 45°F. The seasonal minimum is 40°F. Thus, the mean temperature average in january in Belfast is 43°F. These temperatures are far removed from those records observed in Belfast in january with a maximum record of 56°F in 2015 and a minimum record of 20°F in 2021.
Day length in Belfast in january is 07:53. The sun rises at 08:37 and sunset is at 16:30.
Seasonal average climate and temperature of Belfast in january
Check below seasonal norms These statistics are compiled from the weather statements of the last years of the month of january.
| January | |||||
| Outside temperature | |||||
| Average temperature | 43°F | ||||
| Highest temperature | 45°F | ||||
| Lowest temperature | 40°F | ||||
| Highest record temperature | 56°F (2015) | ||||
| Lowest record temperature | 20°F (2021) | ||||
| Number of days at -32°F | 3 day(s) (10%) | ||||
| Sea temperature | |||||
| Average sea temperature | 48°F | ||||
| Lowest sea temperature | 46°F | ||||
| Highest sea temperature | 51°F | ||||
| Wind | |||||
| Wind speed | 26km/h | ||||
| Wind temperature | 32°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.3in | ||||
| Number of days with rainfall | 7 day(s) (24%) | ||||
| Record daily rainfall | 1.4in (2021) | ||||
| Snowfall | 35.9cm | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.45km | ||||
| Cloud cover | 63% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:37 | ||||
| Time of sunset | 16:30 | ||||
| Length of day | 07:53 | ||||
| Our opinion about the weather in january | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last january?
Here is the day by day recorded weather in Belfast in january 2024:
38°F to 47°F
41°F to 50°F
43°F to 47°F
40°F to 45°F
38°F to 43°F
36°F to 41°F
36°F to 41°F
36°F to 41°F
34°F to 40°F
38°F to 43°F
40°F to 45°F
34°F to 41°F
40°F to 45°F
38°F to 41°F
32°F to 36°F
29°F to 38°F
29°F to 34°F
29°F to 36°F
31°F to 38°F
40°F to 47°F
41°F to 52°F
43°F to 49°F
40°F to 56°F
43°F to 49°F
47°F to 52°F
38°F to 45°F
41°F to 47°F
49°F to 52°F
40°F to 43°F
34°F to 43°F
40°F to 50°F
Map: other cities in Northern Ireland in january
Cities near Belfast:
| Castlereagh in january | very bad weather |
| Newtownabbey in january | very bad weather |
| Holywood in january | very bad weather |
| Lisburn in january | very bad weather |
| Carrickfergus in january | very bad weather |
| Newtownards in january | very bad weather |
| Ballyclare in january | very bad weather |
| Bangor in january | very bad weather |
| Antrim in january | very bad weather |
| Millisle in january | very bad weather |
| Donaghadee in january | very bad weather |
| Kircubbin in january | very bad weather |
Click over cities on the map for information about the weather in january.
Belfast
perfect weather
good
tolerable
bad
very bad
Weather data for Belfast in january:
Weather data for Belfast for january are derived from an average of the weather forecast since 2009 in Belfast. There is a margin of error and these forecasts are to be considered as general information only. The weather in Belfast can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Belfast.