Average temperature in January is 4.2 °C
Average daytime temperature is 6.5 °C
Average night temperature is 1.8 °C
Absolute maximum temperature: 10.7 °C
Absolute minimum temperature: -4 °C
Number of sunny days: 10
Number of rainy days: 20
Number of snow days: 1
Precipitation sum: 295 mm
* Weather data for Clydach Vale United Kingdom is based on climate observations for 2023 year
| Gennaio (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 8.5 | 6.5 | 10.1 | 10.1 | 9.7 | 10.1 | 9.7 | 6.3 | 5.5 | 10.7 | 8.6 | 9.4 | 7.4 | 9.8 | 5.4 | 3.1 | 2.3 | 3.3 | 3.7 | 4.6 | 1.5 | 2.4 | 3.7 | 4.5 | 7.2 | 6.3 | 4 | 4.7 | 7.5 | 7.5 | 8.3 |
| Apparent max temperature | 4.7 | 3.3 | 5.8 | 5.1 | 6.7 | 6.1 | 5.7 | 1.4 | 0.2 | 5.4 | 2.5 | 4.6 | 2.5 | 5.4 | 0.5 | -1.5 | -2.2 | -1.4 | 0 | 2 | -2.3 | -0.8 | 1.5 | 2.4 | 3.2 | 1.6 | 0.4 | 1.4 | 3.6 | 3.8 | 3.6 |
| Mean temperature | 7.1 | 3.3 | 7.4 | 9.4 | 9.1 | 7.9 | 7.8 | 4.7 | 4.3 | 7.9 | 6.7 | 8.1 | 5.8 | 6.4 | 3.6 | 0.6 | -1.4 | 0.4 | 0.4 | 0.4 | -0.2 | 0.6 | 0.5 | 0.5 | 4.2 | 2.8 | 1.9 | 2.1 | 5.4 | 5.3 | 6.2 |
| Apparent mean temperature | 0.5 | -3.1 | -1.5 | 3.5 | 3.1 | 2.3 | -0.4 | -1.1 | -1.7 | -0.1 | -0.4 | -0.8 | -1.5 | -2.6 | -3.1 | -7.7 | -7.3 | -6.8 | -4.8 | -5.8 | -4.9 | -4.6 | -5.1 | -6 | -1.3 | -3.1 | -3.7 | -4.5 | -0.3 | -1.2 | -1.4 |
| Minimum temperature | 6.2 | 0.2 | 1.9 | 8.5 | 7.5 | 6.3 | 4.5 | 3 | 2.8 | 2.9 | 5.1 | 5.5 | 4.6 | 3 | 1.7 | -4 | -3.3 | -2.3 | -0.9 | -2 | -1.4 | -1.2 | -1.8 | -2.4 | 2.6 | 0.5 | 0.1 | -1.3 | 2.6 | 2.8 | 4.1 |
| Apparent min temperature | 2.9 | 0.2 | 3.3 | 4.3 | 5 | 4.2 | 3 | 0.3 | -0.8 | 3.3 | 1.1 | 2.3 | 0.5 | 1.4 | -1.3 | -4 | -5.6 | -4.3 | -3.3 | -3.4 | -4.1 | -2.6 | -2.5 | -2.2 | 0.9 | -1.4 | -1.6 | -0.9 | 1.9 | 1.5 | 1.6 |
| Gennaio | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 7.9 | 7.9 | 7.9 | 8 | 8 | 8 | 8.1 | 8.1 | 8.1 | 8.1 | 8.2 | 8.2 | 8.3 | 8.3 | 8.3 | 8.4 | 8.4 | 8.4 | 8.5 | 8.5 | 8.6 | 8.6 | 8.7 | 8.7 | 8.8 | 8.8 | 8.9 | 8.9 | 9 | 9 | 9.1 |
| Sunshine duration (h) | 2.4 | 6.5 | 0 | 0.6 | 0 | 0.5 | 0.6 | 0 | 6.7 | 0 | 1 | 1.8 | 6.3 | 2 | 6.9 | 6.9 | 6.2 | 6.2 | 7 | 7.1 | 0 | 0.5 | 4.6 | 7.2 | 0.4 | 7.4 | 2.9 | 2.2 | 2.1 | 4.1 | 5.3 |
| Precipitation (mm) | 12.2 | 0.1 | 36.6 | 15 | 12.2 | 9.6 | 45.9 | 18.3 | 0.4 | 33.2 | 25.4 | 43 | 4.7 | 36.2 | 0.2 | 0.2 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0.8 | 0.3 | 0.1 |
| Precipitation hours | 24 | 1 | 19 | 16 | 19 | 16 | 24 | 20 | 2 | 16 | 17 | 18 | 9 | 14 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 2 | 1 |
| Wind speed (m/s) | 33.4 | 14.2 | 38.5 | 36 | 36.9 | 28.6 | 34.4 | 26.5 | 27.6 | 39.6 | 43.6 | 45 | 33.9 | 43.6 | 29.3 | 27.3 | 12.6 | 22.1 | 12.6 | 13.1 | 16 | 11.5 | 8.7 | 6.5 | 23 | 19.5 | 14.3 | 11.1 | 24.2 | 20.9 | 26.8 |
In January 2023, the highest daytime temperature in Clydach Vale was 10.7°C.
While the minimum temperature at night dropped to -4°C.
The average nighttime and daytime temperatures during January in Clydach Vale are 1.8°C and 6.5°C respectively.
The precipitation sum in January is about 295 mm.