Temperatures in January
It's cold in January in Derry with an average temperature of 8°C. Temperatures this month range from a low of 6°C to a high of 9°C. At night, you can expect temperatures between 2°C and 6°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Derry in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Derry with cold temperatures, averaging around 8°C during the day and nights close to 4°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-January
By mid-January, the average daytime temperature drops to around 7°C, with nights close to 4°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of January
By the end of January, the average daytime temperature in Derry will be around 9°C, with nights close to 5°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days. Wear a thick coat, jumper, and long trousers.
Precipitation in January
In January, there is an average of 104 mm of precipitation, spread over 21 days. Of the total precipitation, about 1,5 cm falls as snow in January. The wind speed is around 5 Bft, mostly coming from the Southwest.
The average precipitation chance this month is 67% per day. Though that seems frequent, there are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Derry. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Derry in January |
London | ||
|---|---|---|---|
 Average Temperature |
8°C | 8°C | |
 High Temp |
9°C | 9°C | |
| Low Temp |
6°C | 6°C | |
 Total Precipitation |
104 mm | 58 mm | |
| Rainy Days |
21 days | 9 days | |
 Total Snowfall |
1,5 cm | 0,8 cm | |
| Snowy Days |
1 day | 1 day | |
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.
Is January a good time to visit Derry?
After some sun? Then January isn’t the best time to be in Derry. There’s too much chance of rain this month.
Temperature records for Derry in January
With 14°C, Derry hit the highest temperature in the last 10 years in January 2020. The lowest daytime temperature in this month was 2°C in 2023. The extreme night temperatures ranged from a low of -4°C to a high of 12°C.
Check out the climate of Derry for all months and discover the best travel time
Daily Temperature in January in Derry
This chart shows the average daily temperatures, both day and night, for each day in January in Derry, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in January in Derry
The chart below shows the average daily precipitation in January for Derry, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 21 days of rain in Derry.
Daily Snowfall in January in Derry
This chart shows the average daily snowfall in January in Derry, measured in centimetres. 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 Derry
This chart shows the average daily UV index in January in Derry, 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 Derry Over the Years
This chart shows the average temperature in January in Derry, measured in degrees Celsius, over the past years.
Total Precipitation in January in Derry Over the Years
This chart shows the average precipitation in January in Derry, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in January in Derry per year
This chart shows the average snowfall in January in Derry, measured in centimetres, over the past years.
Daily climate in January for Derry
Click on a specific day in January for detailed info on the typical weather on that day in Derry. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Derry
Have you been to Derry in January?
Share your weather experience in January in Derry.
Average Weather in Derry by Month
Click on a month below to see detailed weather info for Derry. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
