Portrush
January
Weather in Portrush for January 2026
Your guide to Portrush weather in January - trends and predictions
In general, the average temperature in Portrush at the beginning of January is 4.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 6.3 °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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Temperatures
Rain 🌧️
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12
Dry days
19
Rainy days
0
Snow days
7°/3°
Temperatures
31 km/h
Avg max wind
79 %
Avg humidity
Portrush Weather January
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Temperatures trend during January in Portrush
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January weather in Portrush day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. |  Moderate or heavy rain shower | 7° /4° | 6.4 mm | 2 | |
| 2 Jan. | Moderate rain at times | 5° /4° | 2.5 mm | 2 | |
| 3 Jan. |  Heavy rain at times | 6° /3° | 12 mm | 2 | |
| 4 Jan. |  Partly cloudy | 3° /1° | 0 mm | 2 | |
| 5 Jan. |  Patchy rain possible | 4° /3° | 0.5 mm | 1 | |
| 6 Jan. | Moderate or heavy rain shower | 5° /3° | 2.5 mm | 2 | |
| 7 Jan. | Heavy rain at times | 4° /2° | 10.3 mm | 1 | |
| 8 Jan. | Moderate or heavy rain shower | 3° /0° | 3.9 mm | 1 | |
| 9 Jan. | Moderate rain at times | 5° /0° | 2.4 mm | 1 | |
| 10 Jan. |  Overcast | 4° /0° | 0 mm | 1 | |
| 11 Jan. | Moderate rain at times | 4° /1° | 3.1 mm | 1 | |
| 12 Jan. | Overcast | 7° /1° | 0 mm | 2 | |
| 13 Jan. | Heavy rain at times | 11° /8° | 1.8 mm | 3 | |
| 14 Jan. |  Cloudy | 11° /8° | 0 mm | 3 | |
| 15 Jan. | Overcast | 11° /6° | 0 mm | 3 | |
| 16 Jan. | Cloudy | 7° /5° | 0 mm | 2 | |
| 17 Jan. | Partly cloudy | 9° /6° | 0 mm | 3 | |
| 18 Jan. | Partly cloudy | 8° /6° | 0 mm | 3 | |
| 19 Jan. | Overcast | 9° /7° | 0 mm | 2 | |
| 20 Jan. | Overcast | 9° /5° | 0 mm | 2 | |
| 21 Jan. | Overcast | 7° /4° | 0.6 mm | 2 | |
| 22 Jan. | Overcast | 6° /2° | 0 mm | 2 | |
| 23 Jan. | Patchy rain possible | 6° /2° | 1 mm | 2 | |
| 24 Jan. | Moderate or heavy rain shower | 10° /2° | 16.5 mm | 3 | |
| 25 Jan. | Patchy rain possible | 4° /2° | 0.1 mm | 1 | |
| 26 Jan. | Moderate or heavy rain shower | 7° /0° | 8.8 mm | 2 | |
| 27 Jan. | Patchy rain possible | 6° /4° | 2.6 mm | 2 | |
| 28 Jan. | Heavy rain at times | 7° /5° | 10.2 mm | 2 | |
| 29 Jan. | Patchy rain possible | 7° /5° | 3.8 mm | 2 | |
| 30 Jan. | Overcast | 6° /3° | 8.5 mm | 2 | |
| 31 Jan. | Patchy rain possible | 7° /4° | 0.7 mm | 2 | |
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Important Notice
Our weather forecast for Portrush in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Portrush forecast closer to your planned date for the most up-to-date weather information.
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Portrush in January - FAQ
What are the expected maximum and minimum temperatures in Portrush during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 3°.
How much rainfall should be expected in Portrush during January?
Moderate rainfall is anticipated in Portrush during January, with a total of 98.3 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
Will it snow in Portrush in January 2026?
Portrush typically sees 0 cm of snowfall during January.
What are the typical wind conditions in Portrush during January?
The average wind speed in Portrush during January is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Portrush
Explore the daily rainfall trends and prepare for Portrushs January weather 💧
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