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January Weather in Caersws, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Caersws, United Kingdom is a crisp 4°C (39°F). Expect minimums dipping to -7°C (20°F) and highs reaching up to 13°C (55°F). With 82 mm (3.2 in) of precipitation spread over 12 days, be prepared for some wet weather. The average humidity is notably high at 89%, adding to the chilly atmosphere.

January Temperature in Caersws

In January in Caersws, the average temperature is 4°C (39°F). Maximums can reach 13°C (55°F), while minimums can drop as low as -7°C (20°F). Be prepared for chilly weather and pack accordingly when traveling during this time.

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

The chart illustrates January temperature patterns in Caersws, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caersws, January typically has an average temperature of 4°C (39°F), with highs reaching up to 13°C (55°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec394042455157595854494441
Data source: Temperature data for Caersws 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 Caersws

In Caersws in January, the precipitation amount is 82 mm (3.2 in) occurring over a span of 12 days.

January Precipitation Trends in Caersws

The chart displays monthly precipitation patterns in Caersws, 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 Caersws, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec821181186184948211189122103132
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Caersws

In Caersws in January humidity is 89%. With an average temperature of 4°C (39°F), this humidity feels like an uninviting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers of clothing to fend off the dampness.

January Average Humidity in Caersws

This chart illustrates the average monthly humidity levels in Caersws, 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 Caersws 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 Caersws

In Caersws 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 Caersws.

Maximum UV Index Levels in Caersws for January

The chart shows the monthly maximum UV Index (UVI) for Caersws 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 Caersws typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Caersws 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 Caersws Compares to Other Months

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

This table compares monthly weather conditions in Caersws, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)82 mm (3.2 inches)89%low
February Weather5°C (40°F)118 mm (4.6 inches)88%low
March Weather5°C (42°F)118 mm (4.6 inches)86%moderate
April Weather7°C (46°F)61 mm (2.4 inches)84%high
May Weather10°C (51°F)84 mm (3.3 inches)79%high
June Weather14°C (57°F)94 mm (3.7 inches)81%very high
July Weather15°C (60°F)82 mm (3.2 inches)78%very high
August Weather15°C (58°F)111 mm (4.4 inches)79%high
September Weather12°C (55°F)89 mm (3.5 inches)85%high
October Weather10°C (50°F)122 mm (4.8 inches)90%moderate
November Weather7°C (44°F)103 mm (4.1 inches)91%low
December Weather5°C (41°F)132 mm (5.2 inches)89%low

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