Click on a day for an hourly weather forecast
The weather in Derry in January is very cold with temperatures between 2°C and 6°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Derry. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Derry during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Derry.
Our weather forecast can give you a great sense of what weather to expect in Derry in January 2025.
If you’re planning to visit Derry in the near future, we highly recommend that you review the 14 day weather forecast for Derry before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 8 | 18 | 5 | 59 mm | Awful | Derry in January |
| February | 7° / 2° | 8 | 16 | 5 | 59 mm | Awful | Derry in February |
| March | 9° / 2° | 7 | 21 | 3 | 51 mm | Awful | Derry in March |
| April | 11° / 4° | 4 | 24 | 1 | 41 mm | Ok | Derry in April |
| May | 14° / 6° | 6 | 25 | 0 | 55 mm | Good | Derry in May |
| June | 16° / 8° | 5 | 25 | 0 | 66 mm | Good | Derry in June |
| July | 17° / 10° | 7 | 24 | 0 | 78 mm | Ok | Derry in July |
| August | 17° / 10° | 6 | 25 | 0 | 66 mm | Good | Derry in August |
| September | 15° / 9° | 5 | 25 | 0 | 44 mm | Good | Derry in September |
| October | 12° / 7° | 6 | 25 | 0 | 62 mm | Ok | Derry in October |
| November | 9° / 4° | 7 | 22 | 1 | 63 mm | Bad | Derry in November |
| December | 7° / 3° | 7 | 22 | 2 | 57 mm | Awful | Derry in December |