nomadseason

December Weather in Williston Highlands, United States

Last updated: June 24, 2025

In December, the average temperature in Williston Highlands, United States hovers around 16°C (61°F). However, be prepared for a range of conditions, as temperatures can dip to a chilly -3°C (27°F) at their lowest and soar up to a warm 29°C (84°F) at their peak. Expect 87 mm (3.4 in) of precipitation spread over about 7 days, contributing to an average humidity level of 86% that adds to the region's characteristic ambiance.

December Temperature in Williston Highlands

In December in Williston Highlands, the average temperature is 16°C (61°F). Maximums can reach 29°C (84°F) and minimums can be as low as -3°C (27°F). This varied climate makes it advisable for travelers to pack for both warm and cool weather.

December Weather in Williston Highlands: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Williston Highlands, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williston Highlands, December typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec576466717780818180766560
Data source: Temperature data for Williston Highlands generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Williston Highlands

In Williston Highlands in December, the precipitation amount is 87 mm (3.4 in) over a span of 7 days.

December Precipitation Trends in Williston Highlands

The chart displays monthly precipitation patterns in Williston Highlands, 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 Williston Highlands, December typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec49612883102175197197138825287
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Williston Highlands

In Williston Highlands in December, humidity is 86%. With an average temperature of 16°C (61°F), this humidity feels like walking through a warm, thick blanket of air that clings to your skin, making outdoor activities feel sticky and uncomfortable for traveling.

December Average Humidity in Williston Highlands

This chart illustrates the average monthly humidity levels in Williston Highlands, 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 Williston Highlands is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%78%77%75%76%79%78%83%81%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Williston Highlands

In Williston Highlands in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Williston Highlands.

Maximum UV Index Levels in Williston Highlands for December

The chart shows the monthly maximum UV Index (UVI) for Williston Highlands 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 Williston Highlands typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112111110975
Data source: Williston Highlands 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 Williston Highlands Compares to Other Months

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

This table compares monthly weather conditions in Williston Highlands, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)49 mm (1.9 inches)83%moderate
February Weather18°C (64°F)61 mm (2.4 inches)82%very high
March Weather19°C (66°F)28 mm (1.1 inches)78%very high
April Weather22°C (71°F)83 mm (3.3 inches)77%extreme
May Weather25°C (77°F)102 mm (4.0 inches)75%extreme
June Weather27°C (80°F)175 mm (6.9 inches)76%extreme
July Weather27°C (81°F)197 mm (7.8 inches)79%extreme
August Weather27°C (82°F)197 mm (7.7 inches)78%extreme
September Weather27°C (80°F)138 mm (5.5 inches)83%very high
October Weather24°C (76°F)82 mm (3.2 inches)81%very high
November Weather18°C (65°F)52 mm (2.0 inches)83%high
December Weather16°C (61°F)87 mm (3.4 inches)86%moderate

Compare Williston Highlands's Climate with Cities Worldwide