October Weather in Williston, United States

Last updated: June 24, 2025

The average temperature in Williston, United States during October is a cool 5°C (42°F). Expect a minimum of -16°C (4°F) and a maximum of 32°C (90°F), showcasing a wide range of conditions. Be prepared for precipitation of 30 mm (1.2 in) spread across 7 days, and experience a moderate average humidity level of 71%.

October Temperature in Williston

In October in Williston, the average temperature is 5°C (42°F). Maximums can reach 32°C (90°F) and minimums can be as low as -16°C (4°F). This wide temperature range suggests that travelers should be prepared for both warm days and cold nights.

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

The chart illustrates October 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, October typically has an average temperature of 5°C (42°F), with highs reaching up to 32°C (90°F) and lows dropping to around -16°C (4°F).

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

October Precipitation in Williston

In Williston in October, the total precipitation amount is 30 mm (1.2 in) over a span of 7 days.

October Precipitation Trends in Williston

The chart displays monthly precipitation patterns in Williston, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Williston, October typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Williston

In Williston in October humidity is 71%. With an average temperature of 5°C (42°F), this humidity feels like a chilly blanket wrapping around you, making outdoor travel brisk and invigorating, yet requiring layers to stay comfortable as you explore.

October Average Humidity in Williston

This chart illustrates the average monthly humidity levels in Williston, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Williston is approximately 71%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Williston

In Williston in October, 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 October

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

Data source: Williston October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	11 mm (0.4 inches)	89%	low
February Weather	-12°C (11°F)	18 mm (0.7 inches)	92%	moderate
March Weather	-2°C (28°F)	23 mm (0.9 inches)	84%	moderate
April Weather	3°C (38°F)	28 mm (1.1 inches)	74%	very high
May Weather	12°C (55°F)	45 mm (1.8 inches)	73%	very high
June Weather	19°C (66°F)	74 mm (2.9 inches)	69%	very high
July Weather	22°C (71°F)	58 mm (2.3 inches)	76%	very high
August Weather	20°C (68°F)	44 mm (1.7 inches)	74%	very high
September Weather	15°C (58°F)	59 mm (2.3 inches)	65%	high
October Weather	5°C (42°F)	30 mm (1.2 inches)	71%	moderate
November Weather	-2°C (29°F)	19 mm (0.7 inches)	84%	low
December Weather	-7°C (20°F)	19 mm (0.8 inches)	92%	low