nomadseason

December Weather in Sywell, United Kingdom

Last updated: August 27, 2025

In Sywell, United Kingdom, the average temperature in December hovers around 6°C (43°F). Expect chilly nights with a minimum dropping to -5°C (23°F), while daytime highs can reach up to 14°C (58°F). This month also sees 79 mm (3.1 in) of precipitation spread across about 15 days, contributing to an average humidity level of a damp 90%. Be prepared for a mix of wet and cool conditions!

December Temperature in Sywell

In December in Sywell, the average temperature is 6°C (43°F). Maximums can reach 14°C (58°F), while minimums can drop to as low as -5°C (23°F). Be sure to pack warm layers and prepare for variable weather if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Sywell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sywell, December typically has an average temperature of 6°C (43°F), with highs reaching up to 14°C (58°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485461646358524542
Data source: Temperature data for Sywell generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Sywell

In Sywell in December, the precipitation amount is 79 mm (3.1 in) spread over 15 days.

December Precipitation Trends in Sywell

The chart displays monthly precipitation patterns in Sywell, 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 Sywell, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec524959396573697256865779
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Sywell

In Sywell in December humidity is 90%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill clinging to your skin, making travel uncomfortable as you navigate through the thick, heavy air that seems to sap your energy.

December Average Humidity in Sywell

This chart illustrates the average monthly humidity levels in Sywell, 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 Sywell is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sywell

In Sywell 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 Sywell.

Maximum UV Index Levels in Sywell for December

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

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

This table compares monthly weather conditions in Sywell, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)52 mm (2.0 inches)90%low
February Weather6°C (42°F)49 mm (1.9 inches)88%low
March Weather7°C (45°F)59 mm (2.3 inches)86%moderate
April Weather9°C (48°F)39 mm (1.5 inches)84%moderate
May Weather12°C (54°F)65 mm (2.6 inches)80%high
June Weather16°C (61°F)73 mm (2.9 inches)81%very high
July Weather18°C (65°F)69 mm (2.7 inches)76%very high
August Weather17°C (63°F)72 mm (2.8 inches)77%high
September Weather15°C (59°F)56 mm (2.2 inches)85%moderate
October Weather11°C (52°F)86 mm (3.4 inches)90%moderate
November Weather7°C (46°F)57 mm (2.2 inches)92%low
December Weather6°C (43°F)79 mm (3.1 inches)90%low

Compare Sywell's Climate with Cities Worldwide