Weather in County Donegal for January 2026
Yellow Rain Warning - See hour by hour.
The climate of County Donegal in January is quite snowy, averaging 12 snowy days.
According to County Donegal snow forecast for January 2026, no snow is expected until the end of the month.Until now, January 2026 in County Donegal has been nearly identical to the historical average, with a temperature of 5.7 °C (showing only a slight deviation of -0.5 °C).
Expect cooler weather in the next days in County Donegal with the forecast suggesting a temperature of 5.9 °C, lower than the historical average.
In general, the average temperature in County Donegal at the beginning of January is 5.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7 °C by the end of January.
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Temperatures
County Donegal Weather January
Temperatures trend during January in County Donegal
January weather in County Donegal day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Light rain shower | 6° /1° | 7.7 mm | 0.2 cm | |
| 2 Jan. | Patchy rain possible | 5° /1° | 1.1 mm | 0.3 cm | |
| 3 Jan. | Light drizzle | 6° /2° | 1.9 mm | 0.3 cm | |
| 4 Jan. | Light rain shower | 5° /0° | 3.6 mm | 0.6 cm | |
| 5 Jan. | Light rain shower | 4° /0° | 1.6 mm | 0.6 cm | |
| 6 Jan. | Patchy rain possible | 6° /0° | 1.7 mm | 0 cm | |
| 7 Jan. | Sunny | 4° /-1° | 1.1 mm | 0.3 cm | |
| 8 Jan. | Patchy rain possible | 4° /0° | 0.5 mm | 0 cm | |
| 9 Jan. | Sunny | 4° /-2° | 2.4 mm | 0.3 cm | |
| 10 Jan. | Mist | 4° /-1° | 2 mm | 0 cm | |
| 11 Jan. | Partly cloudy | 7° /2° | 4.3 mm | 0 cm | |
| 12 Jan. | Sunny | 7° /0° | 0.8 mm | 0 cm | |
| 13 Jan. | Fog | 8° /4° | 3.4 mm | 0 cm | |
| 14 Jan. | Patchy rain possible | 7° /2° | 2.7 mm | 0.1 cm | |
| 15 Jan. | Light snow showers | 6° /2° | 0.9 mm | 0.2 cm | |
| 16 Jan. | Mist | 5° /0° | 2.2 mm | 0.3 cm | |
| 17 Jan. | Moderate or heavy snow showers | 6° /1° | 0.8 mm | 0.6 cm | |
| 18 Jan. | Moderate or heavy snow showers | 6° /1° | 0.9 mm | 0.8 cm | |
| 19 Jan. | Light freezing rain | 6° /1° | 4.2 mm | 0.1 cm | |
| 20 Jan. | Patchy rain possible | 8° /2° | 1.4 mm | 0 cm | |
| 21 Jan. | Light rain shower | 9° /1° | 6.8 mm | 0 cm | |
| 22 Jan. | Light rain shower | 8° /3° | 3.8 mm | 0 cm | |
| 23 Jan. | Light rain shower | 8° /3° | 11.3 mm | 0.1 cm | |
| 24 Jan. | Light rain shower | 7° /2° | 11 mm | 2.5 cm | |
| 25 Jan. | Light rain shower | 7° /1° | 8.3 mm | 1.5 cm | |
| 26 Jan. | Moderate rain | 6° /0° | 7.1 mm | 0 cm | |
| 27 Jan. | Patchy rain possible | 7° /4° | 4.9 mm | 0 cm | |
| 28 Jan. | Light rain shower | 9° /2° | 1.1 mm | 0 cm | |
| 29 Jan. | Cloudy | 6° /1° | 0.2 mm | 0 cm | |
| 30 Jan. | Patchy rain possible | 7° /4° | 4.5 mm | 0 cm | |
| 31 Jan. | Patchy rain possible | 7° /4° | 0.3 mm | 0 cm | |
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County Donegal in January - FAQ
What are the expected maximum and minimum temperatures in County Donegal during January?
How much rainfall should be expected in County Donegal during January?
Will it snow in County Donegal in January 2026?
What are the typical wind conditions in County Donegal during January?
County Donegal snow forecast January 2026
January rainfall patterns in County Donegal
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Get accurate weather forecasts for County Donegal, located at latitude 54.654 and longitude -8.111. Stay updated with localized weather information tailored for County Donegal.