January Weather in Williston, United States

Last updated: June 24, 2025

In January, the average temperature in Williston, United States hovers around 14°C (57°F), offering a mild climate. However, be prepared for temperature fluctuations, with lows plunging to -5°C (23°F) and highs reaching up to 29°C (85°F). During this month, the region receives about 51 mm (2.0 in) of precipitation spread across approximately 5 days, accompanied by an average humidity of 83%, ensuring a truly refreshing atmosphere.

January Temperature in Williston

In January in Williston, the average temperature is 14°C (57°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as -5°C (23°F). This diverse temperature range makes Williston an ideal destination for travelers seeking both warm and cool experiences.

January Weather in Williston: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Williston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williston, January typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Williston generated using information from the Copernicus Climate Change Service.

January Precipitation in Williston

In Williston in January, the precipitation amount is 51 mm (2.0 in) over a period of 5 days.

January Precipitation Trends in Williston

The chart displays monthly precipitation patterns in Williston, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Williston, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Williston

In Williston in January, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.

January Average Humidity in Williston

This chart illustrates the average monthly humidity levels in Williston, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Williston is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Williston

In Williston in January, 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.

Maximum UV Index Levels in Williston for January

The chart shows the monthly maximum UV Index (UVI) for Williston in January, 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 January, the maximum UV index in Williston typically reaches 5, which falls under the moderate exposure category.

Data source: Williston January 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 January Weather in Williston Compares to Other Months

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

This table compares monthly weather conditions in Williston, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	51 mm (2.0 inches)	83%	moderate
February Weather	17°C (63°F)	63 mm (2.5 inches)	82%	very high
March Weather	19°C (66°F)	34 mm (1.3 inches)	78%	very high
April Weather	21°C (71°F)	77 mm (3.0 inches)	77%	extreme
May Weather	25°C (77°F)	96 mm (3.8 inches)	75%	extreme
June Weather	27°C (80°F)	168 mm (6.6 inches)	76%	extreme
July Weather	27°C (81°F)	183 mm (7.2 inches)	79%	extreme
August Weather	27°C (81°F)	194 mm (7.6 inches)	78%	extreme
September Weather	27°C (80°F)	125 mm (4.9 inches)	83%	very high
October Weather	24°C (76°F)	77 mm (3.0 inches)	81%	very high
November Weather	18°C (65°F)	56 mm (2.2 inches)	83%	high
December Weather	15°C (60°F)	90 mm (3.6 inches)	86%	moderate