City of Belfast (Belfast)
January
Weather in City of Belfast for January 2026
Your guide to City of Belfast weather in January - trends and predictions
Yellow Ice Warning - See hour by hour.
Until now, January 2026 in City of Belfast is slightly cooler than the historical average by -1.1 °C.
Expect cooler weather in the next days in City of Belfast with the forecast suggesting a temperature of 5.4 °C, lower than the historical average.
In general, the average temperature in City of Belfast at the beginning of January is 5.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7.1 °C by the end of January.
The climate of City of Belfast in January is notably wet, with an average of 15 rainy days, and a total of 194.7 mm of precipitation.
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16
Dry days
15
Rainy days
0
Snow days
9°/0°
Temperatures
26 km/h
Avg max wind
86 %
Avg humidity
City of Belfast Weather January
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Temperatures trend during January in City of Belfast
See the weather trend as well as the moving average line
January weather in City of Belfast day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Patchy rain possible | 7° /2° | 3.9 mm | 0 cm | |
| 2 Jan. | Patchy rain possible | 5° /1° | 0.9 mm | 0.1 cm | |
| 3 Jan. |  Moderate or heavy rain shower | 7° /2° | 4.8 mm | 0.2 cm | |
| 4 Jan. | Patchy rain possible | 6° /2° | 1.4 mm | 0.7 cm | |
| 5 Jan. |  Heavy rain at times | 5° /1° | 5.9 mm | 1.7 cm | |
| 6 Jan. | Patchy rain possible | 6° /1° | 1.9 mm | 0.3 cm | |
| 7 Jan. | Patchy rain possible | 5° /1° | 1.6 mm | 0 cm | |
| 8 Jan. | Patchy rain possible | 4° /0° | 0.3 mm | 0 cm | |
| 9 Jan. | Patchy rain possible | 4° /0° | 0.4 mm | 0 cm | |
| 10 Jan. | Patchy rain possible | 6° /0° | 4.2 mm | 0 cm | |
| 11 Jan. | Patchy rain possible | 7° /2° | 4.2 mm | 0 cm | |
| 12 Jan. |  Mist | 7° /2° | 1.7 mm | 0 cm | |
| 13 Jan. |  Light drizzle | 8° /3° | 1.4 mm | 0 cm | |
| 14 Jan. | Patchy rain possible | 8° /2° | 1.8 mm | 0 cm | |
| 15 Jan. | Mist | 6° /1° | 1.5 mm | 0 cm | |
| 16 Jan. |  Overcast | 6° /0° | 2.1 mm | 0.1 cm | |
| 17 Jan. | Patchy rain possible | 5° /1° | 1.4 mm | 0.1 cm | |
| 18 Jan. | Patchy rain possible | 6° /0° | 0.4 mm | 0.2 cm | |
| 19 Jan. |  Cloudy | 5° /1° | 0.3 mm | 0 cm | |
| 20 Jan. | Patchy rain possible | 8° /2° | 1.5 mm | 0 cm | |
| 21 Jan. | Patchy rain possible | 8° /2° | 3.5 mm | 0 cm | |
| 22 Jan. | Patchy rain possible | 8° /3° | 3.6 mm | 0 cm | |
| 23 Jan. | Light rain | 9° /3° | 3 mm | 0 cm | |
| 24 Jan. | Patchy rain possible | 9° /3° | 5.6 mm | 0 cm | |
| 25 Jan. | Patchy rain possible | 8° /3° | 3.7 mm | 0 cm | |
| 26 Jan. |  Partly cloudy | 7° /2° | 5.5 mm | 0 cm | |
| 27 Jan. |  Moderate rain | 7° /4° | 18.8 mm | 0 cm | |
| 28 Jan. | Patchy rain possible | 8° /2° | 0.9 mm | 0 cm | |
| 29 Jan. | Patchy rain possible | 6° /5° | 1.7 mm | 0 cm | |
| 30 Jan. | Moderate rain | 7° /5° | 7.3 mm | 0 cm | |
| 31 Jan. | Patchy rain possible | 7° /5° | 3.1 mm | 0 cm | |
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Important Notice
Our weather forecast for City of Belfast 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 City of Belfast forecast closer to your planned date for the most up-to-date weather information.
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City of Belfast in January - FAQ
What are the expected maximum and minimum temperatures in City of Belfast during January?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 0°.
How much rainfall should be expected in City of Belfast during January?
Significant rainfall exceeding 194.7 mm is expected in City of Belfast during January, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
Will it snow in City of Belfast in January 2026?
City of Belfast typically sees 9.5 cm of snowfall during January.
What are the typical wind conditions in City of Belfast during January?
The average wind speed in City of Belfast during January is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
City of Belfast snow forecast January 2026
Track daily snowfall levels and discover City of Belfast’s snowy potential this January ❄️
January rainfall patterns in City of Belfast
Explore the daily rainfall trends and prepare for City of Belfasts January weather 💧
Typically, City of Belfast has 15 rainy days in January with a total of 194.7 mm of rainfall.
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