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December Weather in Three Hills, Canada

Last updated: June 18, 2025

In Three Hills, Canada, the average temperature in December hovers around -9°C (17°F). This chilly month can see extremes, with minimum temperatures plummeting to -39°C (-37°F) and reaching a maximum of 13°C (55°F). During this time, precipitation accumulates to about 21 mm (0.8 in) across 6 days, all while the average humidity remains high at 92%. Stay warm!

December Temperature in Three Hills

In December in Three Hills, the average temperature is -9°C (17°F). The maximum can reach 13°C (55°F), while the minimum can plunge to as low as -39°C (-37°F). Be sure to pack warm clothing and be prepared for extreme cold if you plan to travel during this time.

December Weather in Three Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Three Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Three Hills, December typically has an average temperature of -9°C (17°F), with highs reaching up to 13°C (55°F) and lows dropping to around -39°C (-37°F).
JanFebMarAprMayJunJulAugSepOctNovDec14924365259636252382516
Data source: Temperature data for Three Hills 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 Three Hills

In Three Hills in December, the total precipitation amount is 21 mm (0.8 in), occurring over a span of 6 days.

December Precipitation Trends in Three Hills

The chart displays monthly precipitation patterns in Three Hills, 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 Three Hills, December typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec92125285494794242242921
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Three Hills

In Three Hills in December, humidity is 92%. With an average temperature of -9°C (17°F), this humidity feels like a biting chill that penetrates your layers, making outdoor activities uncomfortable and travel challenging as frost clings to your clothing and every breath turns to vapor.

December Average Humidity in Three Hills

This chart illustrates the average monthly humidity levels in Three Hills, 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 Three Hills is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%93%88%84%80%79%80%77%74%80%86%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Three Hills

In Three Hills 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 Three Hills.

Maximum UV Index Levels in Three Hills for December

The chart shows the monthly maximum UV Index (UVI) for Three Hills 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 Three Hills typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234778887421
Data source: Three Hills 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 Three Hills Compares to Other Months

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

This table compares monthly weather conditions in Three Hills, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)9 mm (0.4 inches)91%low
February Weather-13°C (10°F)21 mm (0.8 inches)93%moderate
March Weather-5°C (24°F)25 mm (1.0 inches)88%moderate
April Weather2°C (36°F)28 mm (1.1 inches)84%high
May Weather11°C (52°F)54 mm (2.1 inches)80%high
June Weather15°C (60°F)94 mm (3.7 inches)79%very high
July Weather17°C (63°F)79 mm (3.1 inches)80%very high
August Weather17°C (62°F)42 mm (1.6 inches)77%very high
September Weather11°C (52°F)42 mm (1.7 inches)74%high
October Weather3°C (38°F)24 mm (1.0 inches)80%moderate
November Weather-4°C (26°F)29 mm (1.1 inches)86%low
December Weather-9°C (17°F)21 mm (0.8 inches)92%low

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