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December Weather in Harston, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Harston, United Kingdom hovers around 6°C (43°F). The weather can be quite variable, with minimums plunging to -3°C (27°F) and highs reaching 15°C (59°F). Expect precipitation of around 80 mm (3.2 in) spread over 15 days, contributing to an average humidity of 88%.

December Temperature in Harston

In December in Harston, the average temperature is 6°C (43°F). The maximum can reach 15°C (59°F), and the minimum can be as low as -3°C (27°F). Be prepared for a chilly yet refreshing atmosphere, making it ideal for outdoor activities and cozy experiences.

December Weather in Harston: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Harston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harston, December typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (59°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656459534643
Data source: Temperature data for Harston 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.

December Precipitation in Harston

In Harston in December, the total precipitation amount is 80 mm (3.2 in) spread over 15 days.

December Precipitation Trends in Harston

The chart displays monthly precipitation patterns in Harston, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Harston, December typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec504753326669657053794980
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Harston

In Harston in December, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

December Average Humidity in Harston

This chart illustrates the average monthly humidity levels in Harston, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Harston is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%85%83%83%80%78%84%88%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Harston

In Harston in December, 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 Harston.

Maximum UV Index Levels in Harston for December

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

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

This table compares monthly weather conditions in Harston, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)50 mm (2.0 inches)89%low
February Weather6°C (43°F)47 mm (1.8 inches)87%low
March Weather7°C (46°F)53 mm (2.1 inches)86%moderate
April Weather9°C (49°F)32 mm (1.3 inches)85%moderate
May Weather13°C (55°F)66 mm (2.6 inches)83%high
June Weather16°C (62°F)69 mm (2.7 inches)83%very high
July Weather18°C (65°F)65 mm (2.6 inches)79%very high
August Weather18°C (64°F)70 mm (2.8 inches)78%high
September Weather15°C (59°F)52 mm (2.1 inches)84%moderate
October Weather12°C (53°F)79 mm (3.1 inches)88%moderate
November Weather8°C (46°F)49 mm (1.9 inches)89%low
December Weather6°C (43°F)80 mm (3.2 inches)88%low

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