Average weather for Northern Ireland in January
It's cold in January in Northern Ireland with an average temperature of 8°C. Temperatures this month range from a low of 6°C to a high of 10°C. At night, you can expect temperatures between 2°C and 5°C.
Start of January
The month of January starts in Northern Ireland with cold temps, averaging around 9°C during the day and nights around 4°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid January
By mid-January, daytime temps drop to around 7°C, with nights around 3°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of January
By the end of January, the average daytime temperature in Northern Ireland is around 9°C, while nighttime temps are about 4°C. A shower might pop up, but overall, the weather will be dry and sunny.
In January, there is an average of 91 mm of precipitation, spread over 18 days. Of the total precipitation, about 0,9 cm falls as snow in January. The wind speed is around 4 Bft, mostly coming from the Southwest.
Northern Ireland in January |
New York | ||
|---|---|---|---|
 Average temperature |
8°C | 5°C | |
 Max. temperature |
10°C | 11°C | |
| Min. temperature |
6°C | -5°C | |
 Total precipitation |
91 mm | 97 mm | |
| Rainy days |
18 days | 12 days | |
 Total snowfall |
0,9 cm | 16 cm | |
| Snowy days |
1 day | 8 days | |
December
UV index
The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Check out the climate of Northern Ireland for all months and discover the best travel time
You can check out all destinations in Northern Ireland to get the full picture of the climate.
Daily Temperature in January in Northern Ireland
This chart shows the average daily high and low temperatures in January for Northern Ireland, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Northern Ireland
The chart below shows the average daily precipitation in January for Northern Ireland, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 18 days of precipitation in Northern Ireland.
Daily Snowfall in January in Northern Ireland
This chart shows the average daily snowfall in January in Northern Ireland, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in January.
Daily UV index in January in Northern Ireland
This chart shows the average daily UV index in January in Northern Ireland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Northern Ireland over the years
This chart shows the average temperature in January in Northern Ireland, measured in degrees Celsius, over the past few years.
Total precipitation in January in Northern Ireland over the years
This chart shows the average precipitation in January in Northern Ireland, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in January in Northern Ireland per year
This chart shows the average snowfall in January in Northern Ireland, measured in centimeters, over the past few years.
Daily weather in January for Northern Ireland
Click on any day in January to get detailed info about the usual weather on that day in Northern Ireland. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Northern Ireland
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Average weather in Northern Ireland by month
Click on a month below to see detailed weather info for Northern Ireland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Northern Ireland for all months at once
