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January Weather in Trawsfynydd, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Trawsfynydd, United Kingdom hovers around 5°C (41°F), with a chill that can dip to a minimum of -4°C (25°F) and a refreshing peak of 13°C (55°F). Expect 103 mm (4.0 in) of precipitation spread over 15 days, contributing to an average humidity level of 89%. It's a month that embraces the crispness of early winter!

January Temperature in Trawsfynydd

In January in Trawsfynydd, the average temperature is 5°C (41°F). The maximum can reach 13°C (55°F), while the minimum can drop as low as -4°C (25°F). Travelers should be prepared for a mix of cool days and cold nights during this time.

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

The chart illustrates January temperature patterns in Trawsfynydd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trawsfynydd, January typically has an average temperature of 5°C (41°F), with highs reaching up to 13°C (55°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143465157605955504542
Data source: Temperature data for Trawsfynydd 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 Trawsfynydd

In Trawsfynydd in January, the precipitation amount is 103 mm (4.0 in) that falls over a span of 15 days.

January Precipitation Trends in Trawsfynydd

The chart displays monthly precipitation patterns in Trawsfynydd, 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 Trawsfynydd, January typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec103148141658810298153126163133165
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Trawsfynydd

In Trawsfynydd in January humidity is 89%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less enjoyable and encouraging travelers to seek warmth indoors or layer up to stay comfortable while venturing out.

January Average Humidity in Trawsfynydd

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

In Trawsfynydd 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 Trawsfynydd.

Maximum UV Index Levels in Trawsfynydd for January

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

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

This table compares monthly weather conditions in Trawsfynydd, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)103 mm (4.0 inches)89%low
February Weather5°C (41°F)147 mm (5.8 inches)88%low
March Weather6°C (43°F)141 mm (5.6 inches)86%moderate
April Weather8°C (47°F)65 mm (2.5 inches)84%moderate
May Weather11°C (51°F)88 mm (3.5 inches)79%high
June Weather14°C (57°F)102 mm (4.0 inches)81%very high
July Weather15°C (60°F)98 mm (3.9 inches)78%very high
August Weather15°C (59°F)153 mm (6.0 inches)79%high
September Weather13°C (55°F)126 mm (5.0 inches)85%moderate
October Weather10°C (50°F)163 mm (6.4 inches)90%moderate
November Weather7°C (45°F)133 mm (5.2 inches)91%low
December Weather6°C (43°F)165 mm (6.5 inches)89%low

Compare Trawsfynydd's Climate with Cities Worldwide