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December Weather in South Van Horn, United States

Last updated: June 24, 2025

In December, the average temperature in South Van Horn, United States hovers around -15°C (5°F). You can expect extreme variations, with minimums plunging to -39°C (-38°F) and maximums reaching a brisk 5°C (41°F). Additionally, light precipitation of 33 mm (1.3 in) can occur over approximately 6 days, contributing to an impressively high average humidity of 99%.

December Temperature in South Van Horn

In December in South Van Horn, the average temperature is -15°C (5°F), with maximums reaching 5°C (41°F) and minimums dipping as low as -39°C (-38°F). Travelers should be prepared for extreme cold conditions and dress accordingly to fully enjoy their experience.

December Weather in South Van Horn: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in South Van Horn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Van Horn, December typically has an average temperature of -15°C (5°F), with highs reaching up to 5°C (41°F) and lows dropping to around -39°C (-38°F).
JanFebMarAprMayJunJulAugSepOctNovDec-321433526365584833115
Data source: Temperature data for South Van Horn 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 South Van Horn

In South Van Horn, in December, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

December Precipitation Trends in South Van Horn

The chart displays monthly precipitation patterns in South Van Horn, 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 South Van Horn, December typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec1324212024564910443393133
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in South Van Horn

In South Van Horn in December humidity is 99%. With an average temperature of -15°C (5°F), this humidity feels like an icy mist wrapping around you, making it challenging to venture outside without proper gear, as the cold penetrates through layers and the dampness sticks to your skin, intensifying the chill in the air.

December Average Humidity in South Van Horn

This chart illustrates the average monthly humidity levels in South Van Horn, 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 South Van Horn is approximately 99%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%93%89%85%77%78%85%88%90%97%100%99%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in South Van Horn

In South Van Horn 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 South Van Horn.

Maximum UV Index Levels in South Van Horn for December

The chart shows the monthly maximum UV Index (UVI) for South Van Horn 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 South Van Horn typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112355553211
Data source: South Van Horn 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 South Van Horn Compares to Other Months

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

This table compares monthly weather conditions in South Van Horn, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-19°C (-2°F)13 mm (0.5 inches)96%low
February Weather-16°C (3°F)24 mm (1.0 inches)93%low
March Weather-10°C (14°F)21 mm (0.8 inches)89%low
April Weather0°C (33°F)20 mm (0.8 inches)85%moderate
May Weather11°C (52°F)24 mm (0.9 inches)77%moderate
June Weather17°C (63°F)56 mm (2.2 inches)78%moderate
July Weather18°C (66°F)49 mm (1.9 inches)85%moderate
August Weather14°C (58°F)104 mm (4.1 inches)88%moderate
September Weather9°C (48°F)43 mm (1.7 inches)90%moderate
October Weather0°C (33°F)39 mm (1.5 inches)97%low
November Weather-12°C (11°F)31 mm (1.2 inches)100%low
December Weather-15°C (5°F)33 mm (1.3 inches)99%low

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