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December Weather in Hatley, United States

Last updated: June 24, 2025

In December, the average temperature in Hatley, United States hovers around -5°C (23°F), with minimums dipping as low as -29°C (-20°F) and highs reaching 15°C (60°F). Expect a total precipitation of 54 mm (2.1 in) spread over 8 days, while the average humidity remains high at 87%, adding to the chilly atmosphere.

December Temperature in Hatley

In December in Hatley, the average temperature is -5°C (23°F), with maximums reaching 15°C (60°F) and minimums dropping as low as -29°C (-20°F). Visitors should be prepared for a wide range of temperatures, ensuring they pack appropriately for both chilly and milder conditions.

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

The chart illustrates December temperature patterns in Hatley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hatley, December typically has an average temperature of -5°C (23°F), with highs reaching up to 15°C (60°F) and lows dropping to around -29°C (-20°F).
JanFebMarAprMayJunJulAugSepOctNovDec161730415566706660463223
Data source: Temperature data for Hatley 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 Hatley

In Hatley in December, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.

December Precipitation Trends in Hatley

The chart displays monthly precipitation patterns in Hatley, 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 Hatley, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec35495610299109118127811085154
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hatley

In Hatley in December humidity is 87%. With an average temperature of -5°C (23°F), this humidity feels like a heavy, damp blanket enveloping you, making even the cold air seem more biting and clammy, which can be quite uncomfortable for traveling.

December Average Humidity in Hatley

This chart illustrates the average monthly humidity levels in Hatley, 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 Hatley is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hatley

In Hatley 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 Hatley, you can visit Hourly UV Index in Hatley.

Maximum UV Index Levels in Hatley for December

The chart shows the monthly maximum UV Index (UVI) for Hatley 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 Hatley typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Hatley 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 Hatley Compares to Other Months

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

This table compares monthly weather conditions in Hatley, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)35 mm (1.4 inches)89%low
February Weather-9°C (17°F)49 mm (1.9 inches)90%moderate
March Weather-1°C (31°F)56 mm (2.2 inches)87%moderate
April Weather5°C (41°F)102 mm (4.0 inches)84%high
May Weather13°C (56°F)99 mm (3.9 inches)77%very high
June Weather19°C (66°F)109 mm (4.3 inches)75%very high
July Weather21°C (70°F)118 mm (4.6 inches)74%very high
August Weather19°C (67°F)127 mm (5.0 inches)73%very high
September Weather16°C (60°F)81 mm (3.2 inches)78%high
October Weather8°C (47°F)108 mm (4.3 inches)84%moderate
November Weather0°C (32°F)51 mm (2.0 inches)89%moderate
December Weather-5°C (23°F)54 mm (2.1 inches)87%low

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