January Weather in Ystradgynlais

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%.

-4°C (25°F)

Minimum temperature

5°C (41°F)

Average temperature

11°C (52°F)

Maximum temperature

88%

Humidity

Precipitation and Sunshine hours

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.

100 mm (4.0 inches)

Precipitation

12 rainy days

Rainy days

2 hours 49 minutes

Sunshine hours

18%

Chance of sun

UV Index

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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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

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