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December Weather in Grainthorpe, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Grainthorpe, United Kingdom hovers around 6°C (42°F). Expect lows of -2°C (28°F) and highs reaching 15°C (59°F). Throughout the month, prepare for approximately 68 mm (2.7 in) of precipitation over 14 days, accompanied by an average humidity of 88%.

December Temperature in Grainthorpe

In December in Grainthorpe, the average temperature is 6°C (42°F), with a maximum that can reach 15°C (59°F) and a minimum that can dip as low as -2°C (28°F). It's advisable to pack layers and prepare for varying weather conditions while exploring the area.

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

The chart illustrates December temperature patterns in Grainthorpe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grainthorpe, December typically has an average temperature of 6°C (42°F), with highs reaching up to 15°C (59°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec414245475359636358534642
Data source: Temperature data for Grainthorpe 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 Grainthorpe

In Grainthorpe in December, the precipitation amount is 68 mm (2.7 in) distributed over a period of 14 days.

December Precipitation Trends in Grainthorpe

The chart displays monthly precipitation patterns in Grainthorpe, 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 Grainthorpe, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec435658336678788165756268
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grainthorpe

In Grainthorpe in December, humidity is 88%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as the cold air clings to your skin and saps your energy.

December Average Humidity in Grainthorpe

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

In Grainthorpe 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 Grainthorpe.

Maximum UV Index Levels in Grainthorpe for December

The chart shows the monthly maximum UV Index (UVI) for Grainthorpe 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 Grainthorpe typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: Grainthorpe 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 Grainthorpe Compares to Other Months

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

This table compares monthly weather conditions in Grainthorpe, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)43 mm (1.7 inches)89%low
February Weather6°C (43°F)56 mm (2.2 inches)87%low
March Weather7°C (45°F)58 mm (2.3 inches)86%moderate
April Weather9°C (48°F)33 mm (1.3 inches)85%moderate
May Weather12°C (54°F)66 mm (2.6 inches)83%high
June Weather15°C (60°F)78 mm (3.1 inches)83%very high
July Weather17°C (63°F)78 mm (3.1 inches)79%very high
August Weather17°C (63°F)81 mm (3.2 inches)78%high
September Weather15°C (58°F)65 mm (2.5 inches)84%moderate
October Weather11°C (53°F)75 mm (2.9 inches)88%moderate
November Weather8°C (47°F)62 mm (2.4 inches)89%low
December Weather6°C (42°F)68 mm (2.7 inches)88%low

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