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December Weather in Ely, United States

Last updated: June 24, 2025

In Ely, United States, the average temperature in December hovers around -3°C (26°F). Be prepared for chilly days, as temperatures can dip as low as -22°C (-7°F), while reaching a maximum of 13°C (56°F). Expect to experience about 31 mm (1.2 in) of precipitation over approximately 6 days, with an average humidity level of 83% adding to the brisk atmosphere.

December Temperature in Ely

In December in Ely, the average temperature is -3°C (26°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Ely, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ely, December typically has an average temperature of -3°C (26°F), with highs reaching up to 13°C (56°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec242634445468757464473826
Data source: Temperature data for Ely 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 Ely

In Ely in December, the precipitation amount is 31 mm (1.2 in) over a span of 6 days.

December Precipitation Trends in Ely

The chart displays monthly precipitation patterns in Ely, 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 Ely, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec3335644044619617252131
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ely

In Ely in December, humidity is 83%. With an average temperature of -3°C (26°F), this humidity feels like a heavy blanket of cold air enveloping you, making it challenging to stay warm while traveling. The dampness seeps into your clothing, creating an uncomfortable chill that lingers even indoors, often requiring extra layers and careful planning for outdoor activities.

December Average Humidity in Ely

This chart illustrates the average monthly humidity levels in Ely, 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 Ely is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%80%71%55%51%41%32%41%61%79%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ely

In Ely in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Ely for better planning.

Maximum UV Index Levels in Ely for December

The chart shows the monthly maximum UV Index (UVI) for Ely 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 Ely typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: Ely 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 Ely Compares to Other Months

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

This table compares monthly weather conditions in Ely, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)32 mm (1.3 inches)84%moderate
February Weather-3°C (26°F)35 mm (1.4 inches)87%high
March Weather1°C (34°F)64 mm (2.5 inches)80%very high
April Weather7°C (44°F)40 mm (1.6 inches)71%very high
May Weather12°C (54°F)44 mm (1.7 inches)55%extreme
June Weather20°C (68°F)6 mm (0.2 inches)51%extreme
July Weather24°C (76°F)19 mm (0.7 inches)41%extreme
August Weather23°C (74°F)6 mm (0.2 inches)32%extreme
September Weather18°C (64°F)17 mm (0.7 inches)41%very high
October Weather8°C (47°F)25 mm (1.0 inches)61%high
November Weather4°C (39°F)21 mm (0.8 inches)79%moderate
December Weather-3°C (26°F)31 mm (1.2 inches)83%moderate

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