Weather in Cardiff for January 2026
Yellow Ice Warning - See hour by hour.
With an average of 2 snowy days, Cardiff usually enjoys a light touch of snow in January.
According to Cardiff snow forecast for January 2026, no snow is expected until the end of the month.Until now, January 2026 in Cardiff has been nearly identical to the historical average, with a temperature of 6.7 °C (showing only a slight deviation of -0.5 °C).
Expect cooler weather in the next days in Cardiff with the forecast suggesting a temperature of 7 °C, lower than the historical average.
In general, the average temperature in Cardiff at the beginning of January is 7.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 8.6 °C by the end of January.
Cardiff in January brings notable rainfall, with an average of 20 rainy days and a total precipitation of 106.4 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
Cardiff Weather January
Temperatures trend during January in Cardiff
January weather in Cardiff day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Patchy rain possible | 10° /4° | 6.4 mm | 0 cm | |
| 2 Jan. |  Partly cloudy | 7° /3° | 3.1 mm | 0 cm | |
| 3 Jan. |  Moderate or heavy rain shower | 7° /3° | 4.5 mm | 0 cm | |
| 4 Jan. | Patchy rain possible | 7° /4° | 6.3 mm | 1.4 cm | |
| 5 Jan. | Patchy rain possible | 9° /3° | 4.9 mm | 0 cm | |
| 6 Jan. | Patchy rain possible | 8° /2° | 1.5 mm | 0 cm | |
| 7 Jan. | Patchy rain possible | 6° /2° | 5 mm | 0 cm | |
| 8 Jan. |  Heavy rain at times | 5° /2° | 8.5 mm | 0.3 cm | |
| 9 Jan. | Patchy rain possible | 5° /1° | 1.2 mm | 0 cm | |
| 10 Jan. | Moderate or heavy rain shower | 6° /2° | 7.4 mm | 0.3 cm | |
| 11 Jan. |  Light rain | 7° /2° | 7.1 mm | 0 cm | |
| 12 Jan. | Patchy rain possible | 8° /4° | 4.6 mm | 0 cm | |
| 13 Jan. | Patchy rain possible | 8° /3° | 1.8 mm | 0 cm | |
| 14 Jan. |  Overcast | 8° /3° | 5.3 mm | 0 cm | |
| 15 Jan. | Patchy rain possible | 7° /3° | 2.4 mm | 0 cm | |
| 16 Jan. | Overcast | 6° /2° | 1.4 mm | 0 cm | |
| 17 Jan. | Patchy rain possible | 6° /1° | 0 mm | 0 cm | |
| 18 Jan. |  Cloudy | 6° /0° | 0 mm | 0 cm | |
| 19 Jan. | Partly cloudy | 6° /1° | 0 mm | 0 cm | |
| 20 Jan. | Overcast | 7° /2° | 2.8 mm | 0 cm | |
| 21 Jan. | Overcast | 8° /3° | 5.2 mm | 0 cm | |
| 22 Jan. | Cloudy | 8° /3° | 3.1 mm | 0 cm | |
| 23 Jan. | Light rain | 8° /3° | 4.4 mm | 0 cm | |
| 24 Jan. | Light drizzle | 9° /4° | 5.2 mm | 0 cm | |
| 25 Jan. | Patchy rain possible | 8° /3° | 4 mm | 0 cm | |
| 26 Jan. | Overcast | 8° /3° | 7.1 mm | 0 cm | |
| 27 Jan. |  Moderate rain | 10° /5° | 14.8 mm | 0 cm | |
| 28 Jan. | Patchy rain possible | 8° /3° | 0.2 mm | 0 cm | |
| 29 Jan. | Moderate rain | 8° /3° | 7.7 mm | 0 cm | |
| 30 Jan. | Moderate rain | 9° /5° | 8.3 mm | 0 cm | |
| 31 Jan. | Moderate rain | 9° /5° | 6.2 mm | 0 cm | |
| Next | |||||
Cardiff in January - FAQ
What are the expected maximum and minimum temperatures in Cardiff during January?
How much rainfall should be expected in Cardiff during January?
Will it snow in Cardiff in January 2026?
What are the typical wind conditions in Cardiff during January?
Cardiff snow forecast January 2026
January rainfall patterns in Cardiff
Quick links
Where is Cardiff?Get accurate weather forecasts for Cardiff, located at latitude 51.48 and longitude -3.18. Stay updated with localized weather information tailored for Cardiff.