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January Weather in Westbury, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Westbury, United Kingdom hovers around 5°C (41°F). You'll experience a range of conditions, with minimums dipping to -6°C (22°F) and maximums reaching 13°C (56°F). Expect about 58 mm (2.3 in) of precipitation over 10 days, coupled with an average humidity of around 89%. Stay prepared for a chilly and damp month!

January Temperature in Westbury

In January in Westbury, the average temperature is 5°C (41°F). The maximum can reach 13°C (56°F), while the minimum can drop to as low as -6°C (22°F). Be prepared for chilly weather and pack accordingly to fully enjoy your visit!

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

The chart illustrates January temperature patterns in Westbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westbury, January typically has an average temperature of 5°C (41°F), with highs reaching up to 13°C (56°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec404243475258626056514543
Data source: Temperature data for Westbury 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 Westbury

In Westbury in January, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

January Precipitation Trends in Westbury

The chart displays monthly precipitation patterns in Westbury, 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 Westbury, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec587579506481607266867192
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Westbury

In Westbury 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 Westbury

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

In Westbury 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 Westbury.

Maximum UV Index Levels in Westbury for January

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

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

This table compares monthly weather conditions in Westbury, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)58 mm (2.3 inches)89%low
February Weather5°C (42°F)75 mm (3.0 inches)88%low
March Weather6°C (44°F)79 mm (3.1 inches)86%moderate
April Weather8°C (47°F)50 mm (2.0 inches)84%moderate
May Weather11°C (53°F)64 mm (2.5 inches)79%high
June Weather15°C (59°F)81 mm (3.2 inches)81%very high
July Weather16°C (62°F)60 mm (2.4 inches)78%very high
August Weather16°C (61°F)72 mm (2.8 inches)79%high
September Weather14°C (57°F)66 mm (2.6 inches)85%moderate
October Weather11°C (51°F)86 mm (3.4 inches)90%moderate
November Weather7°C (46°F)71 mm (2.8 inches)91%low
December Weather6°C (43°F)92 mm (3.6 inches)89%low

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