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January Weather in Purley, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Purley, United Kingdom is a brisk 5°C (41°F). Expect chilly nights, as temperatures can drop to a minimum of -5°C (23°F), while daytime highs can reach up to 14°C (57°F). Be prepared for some wet weather, too, with an average precipitation of 56 mm (2.2 in) spread across 9 days. With an average humidity of 91%, don’t forget your layers and a good umbrella!

January Temperature in Purley

In January in Purley, the average temperature is 5°C (41°F). Maximums can reach 14°C (57°F), while minimums can drop as low as -5°C (23°F). Be prepared for chilly weather and pack accordingly if you're planning to visit.

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

The chart illustrates January temperature patterns in Purley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Purley, January typically has an average temperature of 5°C (41°F), with highs reaching up to 14°C (57°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656359534643
Data source: Temperature data for Purley 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 Purley

In Purley in January, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.

January Precipitation Trends in Purley

The chart displays monthly precipitation patterns in Purley, 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 Purley, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec575956366688667948855692
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Purley

In Purley in January humidity is 91%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling outdoors a rather uncomfortable experience unless you're dressed warmly and prepared for the moist air that clings to your skin.

January Average Humidity in Purley

This chart illustrates the average monthly humidity levels in Purley, 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 Purley is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Purley

In Purley 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 Purley.

Maximum UV Index Levels in Purley for January

The chart shows the monthly maximum UV Index (UVI) for Purley 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 Purley typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Purley 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 Purley Compares to Other Months

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

This table compares monthly weather conditions in Purley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)56 mm (2.2 inches)91%low
February Weather6°C (43°F)59 mm (2.3 inches)89%low
March Weather7°C (46°F)56 mm (2.2 inches)86%moderate
April Weather9°C (49°F)36 mm (1.4 inches)85%moderate
May Weather13°C (55°F)66 mm (2.6 inches)82%high
June Weather16°C (62°F)87 mm (3.4 inches)81%very high
July Weather18°C (65°F)66 mm (2.6 inches)76%very high
August Weather17°C (64°F)79 mm (3.1 inches)73%high
September Weather15°C (59°F)48 mm (1.9 inches)80%high
October Weather12°C (53°F)85 mm (3.4 inches)89%moderate
November Weather8°C (46°F)56 mm (2.2 inches)92%low
December Weather6°C (44°F)92 mm (3.6 inches)92%low

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