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January Weather in Pontlliw, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Pontlliw, United Kingdom hovers around 5°C (42°F). Expect chilly conditions, with the temperature dipping as low as -5°C (24°F) and peaking at 13°C (56°F). Prepare for 90 mm (3.6 in) of precipitation over approximately 12 days, and be ready to embrace a high humidity level of 88%!

January Temperature in Pontlliw

In January in Pontlliw, the average temperature is 5°C (42°F). Maximums can reach 13°C (56°F) and minimums can be as low as -5°C (24°F). Travelers should be prepared for cool and potentially chilly conditions, making layered clothing essential for staying comfortable.

January Weather in Pontlliw: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Pontlliw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pontlliw, January typically has an average temperature of 5°C (42°F), with highs reaching up to 13°C (56°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec424345485359626157524745
Data source: Temperature data for Pontlliw generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Pontlliw

In Pontlliw in January, the precipitation amount is 90 mm (3.6 in) spread over 12 days.

January Precipitation Trends in Pontlliw

The chart displays monthly precipitation patterns in Pontlliw, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Pontlliw, January typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9013110861919589127104152131165
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Pontlliw

In Pontlliw in January humidity is 88%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.

January Average Humidity in Pontlliw

This chart illustrates the average monthly humidity levels in Pontlliw, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Pontlliw is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Pontlliw

In Pontlliw in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Pontlliw.

Maximum UV Index Levels in Pontlliw for January

The chart shows the monthly maximum UV Index (UVI) for Pontlliw in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Pontlliw typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Pontlliw January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Pontlliw Compares to Other Months

Weather in Pontlliw varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Pontlliw, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Pontlliw, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)90 mm (3.6 inches)88%low
February Weather6°C (43°F)131 mm (5.2 inches)88%low
March Weather7°C (45°F)108 mm (4.2 inches)86%moderate
April Weather9°C (49°F)61 mm (2.4 inches)84%high
May Weather12°C (53°F)91 mm (3.6 inches)80%high
June Weather15°C (59°F)95 mm (3.8 inches)80%very high
July Weather17°C (62°F)89 mm (3.5 inches)70%very high
August Weather16°C (61°F)127 mm (5.0 inches)73%high
September Weather14°C (58°F)104 mm (4.1 inches)79%high
October Weather11°C (53°F)152 mm (6.0 inches)89%moderate
November Weather8°C (47°F)131 mm (5.2 inches)90%low
December Weather7°C (45°F)165 mm (6.5 inches)89%low

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