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January Weather in Pentraeth, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Pentraeth, United Kingdom hovers around 6°C (43°F). Expect chilly days, with minimums plummeting to -3°C (27°F) and highs reaching up to 14°C (57°F). Rainfall is not uncommon, with an average precipitation of 77 mm (3.0 in) spread over 13 days. You'll also find the air quite damp, with an average humidity of 89%. Be prepared for a brisk and wet month!

January Temperature in Pentraeth

In January in Pentraeth, the average temperature is 6°C (43°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -3°C (27°F). Be prepared for chilly days and layer your clothing if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Pentraeth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pentraeth, January typically has an average temperature of 6°C (43°F), with highs reaching up to 14°C (57°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616057524745
Data source: Temperature data for Pentraeth 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 Pentraeth

In Pentraeth in January, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

January Precipitation Trends in Pentraeth

The chart displays monthly precipitation patterns in Pentraeth, 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 Pentraeth, January typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec771031045571918210598128111129
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Pentraeth

In Pentraeth in January, humidity is 89%. With an average temperature of 6°C (43°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable and energy-draining, often leading travelers to seek shelter indoors or dress in layers to cope with the cold and moist air.

January Average Humidity in Pentraeth

This chart illustrates the average monthly humidity levels in Pentraeth, 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 Pentraeth is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Pentraeth

In Pentraeth 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 Pentraeth.

Maximum UV Index Levels in Pentraeth for January

The chart shows the monthly maximum UV Index (UVI) for Pentraeth 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 Pentraeth typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Pentraeth 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 Pentraeth Compares to Other Months

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

This table compares monthly weather conditions in Pentraeth, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)77 mm (3.0 inches)89%low
February Weather6°C (44°F)103 mm (4.1 inches)88%low
March Weather7°C (45°F)104 mm (4.1 inches)86%moderate
April Weather9°C (48°F)55 mm (2.2 inches)84%moderate
May Weather12°C (53°F)71 mm (2.8 inches)79%high
June Weather15°C (59°F)91 mm (3.6 inches)81%very high
July Weather16°C (61°F)82 mm (3.2 inches)78%very high
August Weather16°C (61°F)105 mm (4.1 inches)79%high
September Weather14°C (57°F)98 mm (3.9 inches)85%moderate
October Weather11°C (53°F)128 mm (5.1 inches)90%moderate
November Weather9°C (48°F)111 mm (4.4 inches)91%low
December Weather7°C (45°F)129 mm (5.1 inches)89%low

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