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January Weather in Cynwyd, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Cynwyd, United Kingdom hovers around 4°C (40°F), with a minimum dip to -6°C (22°F) and a pleasant maximum of 13°C (55°F). This time of year typically sees 79 mm (3.1 in) of precipitation spread over 12 days, coupled with a high average humidity of 89%, making the air feel quite crisp and damp.

January Temperature in Cynwyd

In January in Cynwyd, the average temperature is 4°C (40°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -6°C (22°F). Be prepared for chilly days and pack warm clothing if you're planning to visit during this time.

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

The chart illustrates January temperature patterns in Cynwyd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cynwyd, January typically has an average temperature of 4°C (40°F), with highs reaching up to 13°C (55°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec394042465157595855504441
Data source: Temperature data for Cynwyd 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 Cynwyd

In Cynwyd in January, the precipitation amount is 79 mm (3.1 in) over a period of 12 days.

January Precipitation Trends in Cynwyd

The chart displays monthly precipitation patterns in Cynwyd, 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 Cynwyd, January typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec791111126377998911510011692126
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Cynwyd

In Cynwyd in January humidity is 89%. With an average temperature of 4°C (40°F), this humidity feels like a chilling blanket enveloping you, making travel uncomfortable and damp, as the cold penetrates through your clothes and the air feels heavy and clinging.

January Average Humidity in Cynwyd

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

In Cynwyd 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 Cynwyd.

Maximum UV Index Levels in Cynwyd for January

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

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

This table compares monthly weather conditions in Cynwyd, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)79 mm (3.1 inches)89%low
February Weather5°C (41°F)111 mm (4.4 inches)88%low
March Weather6°C (42°F)112 mm (4.4 inches)86%moderate
April Weather8°C (46°F)63 mm (2.5 inches)84%moderate
May Weather10°C (51°F)77 mm (3.0 inches)79%high
June Weather14°C (57°F)99 mm (3.9 inches)81%very high
July Weather15°C (60°F)89 mm (3.5 inches)78%very high
August Weather15°C (59°F)115 mm (4.5 inches)79%high
September Weather13°C (55°F)100 mm (3.9 inches)85%moderate
October Weather10°C (50°F)116 mm (4.6 inches)90%moderate
November Weather7°C (44°F)92 mm (3.6 inches)91%low
December Weather5°C (41°F)126 mm (5.0 inches)89%low

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