Cardiff
January
Weather in Cardiff for January 2026
Your guide to Cardiff weather in January - trends and predictions
With an average of 2 snowy days, Cardiff usually enjoys a light touch of snow in January.
In general, the average temperature in Cardiff at the beginning of January is 8.4 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 8.7 °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.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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9
Dry days
20
Rainy days
2
Snow days
7°/3°
Temperatures
28 km/h
Avg max wind
82 %
Avg humidity
Cardiff Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2  8° | 3  8° | 4 8° | |||
| 5 10° | 6 8° | 7 6° | 8  5° | 9 5° | 10 6° | 11 6° |
| 12 7° | 13 7° | 14 8° | 15 7° | 16  6° | 17 5° | 18  6° |
| 19 5° | 20 6° | 21 7° | 22 8° | 23  8° | 24 9° | 25 9° |
| 26 9° | 27 8° | 28 8° | 29 9° | 30 9° | 31 9° |
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Temperatures trend during January in Cardiff
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Patchy rain possible | 11° /5° | 8.5 mm | 0 cm | |
| 2 Jan. | Partly cloudy | 8° /4° | 4 mm | 0 cm | |
| 3 Jan. | Moderate or heavy rain shower | 8° /4° | 6 mm | 0 cm | |
| 4 Jan. | Patchy rain possible | 8° /5° | 8.4 mm | 1.8 cm | |
| 5 Jan. | Patchy rain possible | 10° /4° | 6.4 mm | 0 cm | |
| 6 Jan. | Patchy rain possible | 8° /3° | 1.4 mm | 0 cm | |
| 7 Jan. | Moderate or heavy rain shower | 6° /2° | 6.5 mm | 0 cm | |
| 8 Jan. | Heavy rain at times | 5° /2° | 1.9 mm | 0 cm | |
| 9 Jan. | Patchy rain possible | 5° /1° | 0.5 mm | 0 cm | |
| 10 Jan. | Moderate or heavy rain shower | 6° /2° | 9.9 mm | 0.4 cm | |
| 11 Jan. | Heavy rain at times | 6° /2° | 7.1 mm | 0 cm | |
| 12 Jan. | Moderate or heavy rain shower | 7° /3° | 6 mm | 0 cm | |
| 13 Jan. | Patchy rain possible | 7° /3° | 0.3 mm | 0 cm | |
| 14 Jan. | Moderate or heavy rain shower | 8° /3° | 6.7 mm | 0 cm | |
| 15 Jan. | Patchy rain possible | 7° /3° | 0.6 mm | 0 cm | |
| 16 Jan. | Overcast | 6° /1° | 0.3 mm | 0 cm | |
| 17 Jan. | Overcast | 5° /0° | 0 mm | 0 cm | |
| 18 Jan. | Cloudy | 6° /0° | 0 mm | 0 cm | |
| 19 Jan. | Partly cloudy | 5° /0° | 0 mm | 0 cm | |
| 20 Jan. | Overcast | 6° /1° | 2.7 mm | 0 cm | |
| 21 Jan. | Overcast | 7° /3° | 6.7 mm | 0 cm | |
| 22 Jan. | Cloudy | 8° /3° | 1.3 mm | 0 cm | |
| 23 Jan. | Light rain | 8° /3° | 2.9 mm | 0 cm | |
| 24 Jan. | Light drizzle | 9° /3° | 3.4 mm | 0 cm | |
| 25 Jan. | Patchy rain possible | 9° /3° | 3.1 mm | 0 cm | |
| 26 Jan. | Overcast | 9° /3° | 5.5 mm | 0 cm | |
| 27 Jan. | Patchy rain possible | 8° /2° | 1.6 mm | 0 cm | |
| 28 Jan. | Overcast | 8° /3° | 1.1 mm | 0 cm | |
| 29 Jan. | Cloudy | 9° /5° | 0.9 mm | 0 cm | |
| 30 Jan. | Cloudy | 9° /2° | 0.1 mm | 0 cm | |
| 31 Jan. | Patchy rain possible | 9° /3° | 2.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Cardiff 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 Cardiff forecast closer to your planned date for the most up-to-date weather information.
Cardiff in January - FAQ
What are the expected maximum and minimum temperatures in Cardiff during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 3°.
How much rainfall should be expected in Cardiff during January?
Significant rainfall exceeding 106.4 mm is expected in Cardiff during January, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Cardiff in January 2026?
Cardiff experiences an average snowfall of 2.19333 cm during January, occurring over 2 days.
What are the typical wind conditions in Cardiff during January?
The average wind speed in Cardiff during January is 28 km/h, suggesting breezy to windy conditions, depending on your activities.
Cardiff snow forecast January 2026
Track daily snowfall levels and discover Cardiff’s snowy potential this January ❄️
January rainfall patterns in Cardiff
Explore the daily rainfall trends and prepare for Cardiffs January weather 💧
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