Cardiff
January
Weather in Cardiff for January 2025
Your guide to Cardiff weather in January - trends and predictions
In general, the average temperature in Cardiff at the beginning of January is 9.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9 °C by the end of January.
With an average of 4 rainy days, Cardiff experiences minimal rainfall in January, ensuring that most days remain pleasantly dry.
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27
Dry days
4
Rainy days
0
Snow days
9°/1°
Temperatures
30 km/h
Avg max wind
82 %
Avg humidity
Cardiff in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  10° | 2  10° | 3  10° | 4 10° | 5 10° | ||
| 6 9° | 7 8° | 8  6° | 9 5° | 10 8° | 11 7° | 12 8° |
| 13 7° | 14 8° | 15 5° | 16  4° | 17 4° | 18  5° | 19 5° |
| 20 6° | 21 8° | 22 8° | 23 9° | 24  8° | 25 10° | 26 9° |
| 27 7° | 28 8° | 29 10° | 30 9° | 31 10° |
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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 | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Patchy rain possible | 10° /6° | 5.3 mm | 3 | |
| 2 Jan. | Partly cloudy | 10° /6° | 5.9 mm | 3 | |
| 3 Jan. | Moderate or heavy rain shower | 10° /6° | 9 mm | 3 | |
| 4 Jan. | Patchy rain possible | 10° /7° | 3.9 mm | 3 | |
| 5 Jan. | Patchy rain possible | 10° /6° | 2.2 mm | 3 | |
| 6 Jan. | Moderate rain at times | 9° /4° | 1.9 mm | 3 | |
| 7 Jan. | Moderate or heavy rain shower | 8° /3° | 9.7 mm | 2 | |
| 8 Jan. | Heavy rain at times | 6° /3° | 2.8 mm | 2 | |
| 9 Jan. | Patchy rain possible | 5° /3° | 0.8 mm | 2 | |
| 10 Jan. | Moderate or heavy rain shower | 8° /3° | 5.9 mm | 2 | |
| 11 Jan. | Heavy rain at times | 7° /4° | 7.1 mm | 2 | |
| 12 Jan. | Moderate or heavy rain shower | 8° /4° | 9.1 mm | 3 | |
| 13 Jan. | Patchy rain possible | 7° /3° | 0.4 mm | 2 | |
| 14 Jan. | Moderate or heavy rain shower | 8° /3° | 10 mm | 2 | |
| 15 Jan. | Patchy rain possible | 5° /2° | 0.9 mm | 2 | |
| 16 Jan. | Overcast | 4° /0° | 0.4 mm | 2 | |
| 17 Jan. | Overcast | 4° /-1° | 0 mm | 1 | |
| 18 Jan. | Cloudy | 5° /-1° | 0 mm | 2 | |
| 19 Jan. | Partly cloudy | 5° /0° | 0 mm | 3 | |
| 20 Jan. | Overcast | 6° /1° | 4.1 mm | 2 | |
| 21 Jan. | Overcast | 8° /3° | 10.1 mm | 2 | |
| 22 Jan. | Cloudy | 8° /3° | 0.4 mm | 3 | |
| 23 Jan. | Cloudy | 9° /3° | 2.3 mm | 3 | |
| 24 Jan. | Sunny | 8° /3° | 0.4 mm | 3 | |
| 25 Jan. | Patchy rain possible | 10° /4° | 2.3 mm | 3 | |
| 26 Jan. | Overcast | 9° /4° | 0.5 mm | 3 | |
| 27 Jan. | Patchy rain possible | 7° /2° | 0.1 mm | 2 | |
| 28 Jan. | Overcast | 8° /2° | 0 mm | 3 | |
| 29 Jan. | Cloudy | 10° /5° | 0.7 mm | 3 | |
| 30 Jan. | Cloudy | 9° /3° | 0.1 mm | 2 | |
| 31 Jan. | Overcast | 10° /3° | 0.4 mm | 3 | |
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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 9° and colder nights, dipping below 1°.
How much rainfall should be expected in Cardiff during January?
Significant rainfall exceeding 193.6 mm is expected in Cardiff during January, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Cardiff during January?
Cardiff experiences an average snowfall of 0 cm during January, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Cardiff during January?
The average wind speed in Cardiff during January is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
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