Last updated: March 2, 2024
The weather in Ystradgynlais, United Kingdom, during January is characterized by an average temperature of 5°C (41°F). Highs can soar to 11°C (52°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Ystradgynlais throughout January hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Ystradgynlais averages 100 mm (4.0 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 8 hours 21 minutes of daylight, with the sun shining for approximately 2 hours 49 minutes each day. Additionally, there is a 18% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Ystradgynlais reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 45 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||