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December Weather in Orwell, United States

Last updated: June 24, 2025

In December, the average temperature in Orwell, United States hovers around 1°C (34°F). Expect a chilly range with minimums plunging to -18°C (-1°F) and maximums reaching up to 17°C (63°F). You'll likely experience 99 mm (3.9 in) of precipitation spread over 13 days, making it one of the wetter months. With an average humidity of 86%, prepare for a crisp, cool atmosphere that defines the season.

December Temperature in Orwell

In December in Orwell, the average temperature is 1°C (34°F). Maximum temperatures can reach up to 17°C (63°F), while the minimum can drop as low as -18°C (-1°F). Travelers should be prepared for a wide range of temperatures when visiting during this time.

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

The chart illustrates December temperature patterns in Orwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Orwell, December typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (63°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec283138486068737166554034
Data source: Temperature data for Orwell 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 Orwell

In Orwell in December, the precipitation amount is 99 mm (3.9 in) over the course of 13 days.

December Precipitation Trends in Orwell

The chart displays monthly precipitation patterns in Orwell, 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 Orwell, December typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec919810812713514414210710012210199
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Orwell

In Orwell in December, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

December Average Humidity in Orwell

This chart illustrates the average monthly humidity levels in Orwell, 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 Orwell is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Orwell

In Orwell in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Orwell, you can visit Hourly UV Index in Orwell.

Maximum UV Index Levels in Orwell for December

The chart shows the monthly maximum UV Index (UVI) for Orwell 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 Orwell typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Orwell 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 Orwell Compares to Other Months

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

This table compares monthly weather conditions in Orwell, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)91 mm (3.6 inches)88%moderate
February Weather-1°C (31°F)98 mm (3.9 inches)88%moderate
March Weather3°C (38°F)108 mm (4.3 inches)87%high
April Weather9°C (48°F)127 mm (5.0 inches)87%very high
May Weather16°C (60°F)135 mm (5.3 inches)81%very high
June Weather20°C (69°F)144 mm (5.7 inches)83%very high
July Weather23°C (73°F)142 mm (5.6 inches)82%very high
August Weather22°C (71°F)107 mm (4.2 inches)76%very high
September Weather19°C (66°F)100 mm (3.9 inches)77%very high
October Weather13°C (55°F)122 mm (4.8 inches)82%high
November Weather5°C (41°F)101 mm (4.0 inches)89%moderate
December Weather1°C (34°F)99 mm (3.9 inches)86%low

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