Weather in Portrush for January 2026
Yellow Ice Warning - See hour by hour.
Until now, January 2026 in Portrush has been nearly identical to the historical average, with a temperature of 6.5 °C (showing only a slight deviation of -0.3 °C).
The forecast for the next days in Portrush predicts temperatures to be around 7 °C, close to the historical average.
In general, the average temperature in Portrush at the beginning of January is 5.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7.1 °C by the end of January.
Portrush in January brings notable rainfall, with an average of 19 rainy days and a total precipitation of 98.3 mm.
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Portrush Weather January
Temperatures trend during January in Portrush
January weather in Portrush day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Moderate or heavy rain shower | 7° /4° | 5.2 mm | 0 cm | |
| 2 Jan. | Moderate rain at times | 5° /4° | 3.5 mm | 0 cm | |
| 3 Jan. | Heavy rain at times | 5° /3° | 9.9 mm | 0 cm | |
| 4 Jan. | Partly cloudy | 4° /2° | 3.8 mm | 0 cm | |
| 5 Jan. | Patchy rain possible | 4° /2° | 3 mm | 0.3 cm | |
| 6 Jan. | Moderate or heavy rain shower | 6° /3° | 2.8 mm | 0 cm | |
| 7 Jan. | Heavy rain at times | 5° /2° | 6.5 mm | 0.1 cm | |
| 8 Jan. | Moderate or heavy rain shower | 4° /1° | 3.2 mm | 0 cm | |
| 9 Jan. | Moderate rain at times | 6° /2° | 5.3 mm | 0 cm | |
| 10 Jan. | Overcast | 4° /1° | 1 mm | 0 cm | |
| 11 Jan. | Moderate rain at times | 8° /3° | 6.4 mm | 0 cm | |
| 12 Jan. | Overcast | 8° /3° | 0.2 mm | 0 cm | |
| 13 Jan. | Heavy rain at times | 10° /6° | 3.6 mm | 0 cm | |
| 14 Jan. | Cloudy | 8° /5° | 2.5 mm | 0 cm | |
| 15 Jan. | Overcast | 8° /4° | 0 mm | 0 cm | |
| 16 Jan. | Cloudy | 7° /3° | 0 mm | 0 cm | |
| 17 Jan. | Partly cloudy | 8° /6° | 3 mm | 0 cm | |
| 18 Jan. | Partly cloudy | 8° /6° | 0 mm | 0 cm | |
| 19 Jan. | Overcast | 8° /5° | 1.6 mm | 0 cm | |
| 20 Jan. | Overcast | 9° /4° | 0.4 mm | 0 cm | |
| 21 Jan. | Overcast | 8° /4° | 1.3 mm | 0 cm | |
| 22 Jan. | Overcast | 8° /3° | 6 mm | 0 cm | |
| 23 Jan. | Patchy rain possible | 7° /4° | 1.4 mm | 0 cm | |
| 24 Jan. | Moderate or heavy rain shower | 9° /4° | 9.6 mm | 0 cm | |
| 25 Jan. | Patchy rain possible | 5° /3° | 4 mm | 0 cm | |
| 26 Jan. | Moderate or heavy rain shower | 7° /2° | 9.8 mm | 0 cm | |
| 27 Jan. | Heavy rain | 7° /4° | 20.7 mm | 0 cm | |
| 28 Jan. | Patchy rain possible | 8° /5° | 0.5 mm | 0 cm | |
| 29 Jan. | Patchy rain possible | 7° /6° | 1 mm | 0 cm | |
| 30 Jan. | Moderate rain | 8° /5° | 9.8 mm | 0 cm | |
| 31 Jan. | Patchy rain possible | 8° /5° | 0.6 mm | 0 cm | |
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Portrush in January - FAQ
What are the expected maximum and minimum temperatures in Portrush during January?
How much rainfall should be expected in Portrush during January?
Will it snow in Portrush in January 2026?
What are the typical wind conditions in Portrush during January?
Portrush snow forecast January 2026
January rainfall patterns in Portrush
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Get accurate weather forecasts for Portrush, located at latitude 55.196 and longitude -6.649. Stay updated with localized weather information tailored for Portrush.