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December Weather in Mortons Gap, United States

Last updated: June 24, 2025

In Mortons Gap, United States, the average temperature in December hovers around 6°C (43°F). During this time, temperatures can dip as low as -13°C (9°F) and reach a maximum of 23°C (74°F). Expect about 107 mm (4.2 in) of precipitation spread over 10 days, paired with an average humidity of 88%. Prepare for a chilly, wet month!

December Temperature in Mortons Gap

In December in Mortons Gap, the average temperature is 6°C (43°F). Maximums can reach 23°C (74°F), while minimums can drop as low as -13°C (9°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

December Weather in Mortons Gap: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mortons Gap, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mortons Gap, December typically has an average temperature of 6°C (43°F), with highs reaching up to 23°C (74°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec374150586977817874624743
Data source: Temperature data for Mortons Gap 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 Mortons Gap

In Mortons Gap in December, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

December Precipitation Trends in Mortons Gap

The chart displays monthly precipitation patterns in Mortons Gap, 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 Mortons Gap, December typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec921461221451181251071039510886107
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mortons Gap

In Mortons Gap in December, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

December Average Humidity in Mortons Gap

This chart illustrates the average monthly humidity levels in Mortons Gap, 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 Mortons Gap is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mortons Gap

In Mortons Gap in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Mortons Gap, you can check the information here.

Maximum UV Index Levels in Mortons Gap for December

The chart shows the monthly maximum UV Index (UVI) for Mortons Gap 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 Mortons Gap typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101110109753
Data source: Mortons Gap 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 Mortons Gap Compares to Other Months

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

This table compares monthly weather conditions in Mortons Gap, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)92 mm (3.6 inches)86%moderate
February Weather5°C (42°F)146 mm (5.8 inches)84%high
March Weather10°C (51°F)122 mm (4.8 inches)84%high
April Weather14°C (58°F)145 mm (5.7 inches)80%very high
May Weather21°C (70°F)118 mm (4.7 inches)82%very high
June Weather25°C (77°F)125 mm (4.9 inches)83%extreme
July Weather27°C (81°F)107 mm (4.2 inches)79%very high
August Weather25°C (78°F)103 mm (4.1 inches)76%very high
September Weather23°C (74°F)95 mm (3.7 inches)75%very high
October Weather17°C (62°F)108 mm (4.3 inches)74%high
November Weather8°C (47°F)86 mm (3.4 inches)85%moderate
December Weather6°C (43°F)107 mm (4.2 inches)88%moderate

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