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December Weather in Upper Gravenhurst, United Kingdom

Last updated: August 27, 2025

In Upper Gravenhurst, United Kingdom, the average temperature in December hovers around 6°C (43°F), with minimums dipping to -5°C (23°F) and maximums reaching 14°C (58°F). Expect about 80 mm (3.2 in) of precipitation spread over 14 days, and be prepared for a high average humidity of 92%. Stay cozy and dry during this chilly month!

December Temperature in Upper Gravenhurst

In December in Upper Gravenhurst, 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 Upper Gravenhurst: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Upper Gravenhurst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Upper Gravenhurst, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404245485561656359534643
Data source: Temperature data for Upper Gravenhurst 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 Upper Gravenhurst

In Upper Gravenhurst in December, the precipitation amount is 80 mm (3.2 in) over the course of 14 days.

December Precipitation Trends in Upper Gravenhurst

The chart displays monthly precipitation patterns in Upper Gravenhurst, 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 Upper Gravenhurst, December typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec534957366774677051905381
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Upper Gravenhurst

In Upper Gravenhurst in December humidity is 92%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities uncomfortable and requiring extra layers for warmth while navigating the slick streets.

December Average Humidity in Upper Gravenhurst

This chart illustrates the average monthly humidity levels in Upper Gravenhurst, 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 Upper Gravenhurst is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Upper Gravenhurst

In Upper Gravenhurst 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 Upper Gravenhurst.

Maximum UV Index Levels in Upper Gravenhurst for December

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

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

This table compares monthly weather conditions in Upper Gravenhurst, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)53 mm (2.1 inches)91%low
February Weather6°C (43°F)49 mm (1.9 inches)89%low
March Weather7°C (45°F)57 mm (2.2 inches)86%moderate
April Weather9°C (49°F)36 mm (1.4 inches)85%moderate
May Weather13°C (55°F)67 mm (2.6 inches)79%high
June Weather16°C (61°F)74 mm (2.9 inches)80%very high
July Weather18°C (65°F)67 mm (2.6 inches)71%very high
August Weather17°C (64°F)70 mm (2.8 inches)76%high
September Weather15°C (59°F)51 mm (2.0 inches)82%high
October Weather11°C (53°F)90 mm (3.6 inches)90%moderate
November Weather8°C (46°F)53 mm (2.1 inches)92%low
December Weather6°C (43°F)80 mm (3.2 inches)92%low

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