October Weather in Williston, United States

Last updated: June 24, 2025

In Williston, United States, the average temperature in October hovers around 21°C (69°F), but be prepared for a wide range, as it can dip to a minimum of 1°C (34°F) and soar up to a sizzling 38°C (100°F). Expect 78 mm (3.1 in) of precipitation over about 8 days, contributing to an average humidity of 78%—perfect conditions for lush landscapes and vibrant atmospheres!

October Temperature in Williston

In October in Williston, the average temperature is 21°C (69°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop as low as 1°C (34°F). Be prepared for a broad range of weather conditions when planning your travel.

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 21°C (69°F), with highs reaching up to 38°C (100°F) and lows dropping to around 1°C (34°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 78 mm (3.1 in) over the course of 8 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 78 mm (3.1 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Williston

In Williston in October, humidity is 78%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace that clings to your skin, making outdoor activities feel more intense and leaving you yearning for refreshing breezes or a cool drink 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 78%, 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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high 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	9°C (49°F)	88 mm (3.4 inches)	86%	moderate
February Weather	12°C (54°F)	110 mm (4.3 inches)	81%	high
March Weather	15°C (59°F)	81 mm (3.2 inches)	81%	very high
April Weather	18°C (66°F)	117 mm (4.6 inches)	79%	very high
May Weather	23°C (74°F)	102 mm (4.0 inches)	75%	extreme
June Weather	26°C (79°F)	111 mm (4.4 inches)	75%	extreme
July Weather	28°C (82°F)	143 mm (5.6 inches)	80%	extreme
August Weather	27°C (81°F)	144 mm (5.7 inches)	81%	extreme
September Weather	25°C (78°F)	78 mm (3.1 inches)	83%	very high
October Weather	21°C (69°F)	78 mm (3.1 inches)	78%	very high
November Weather	13°C (55°F)	60 mm (2.4 inches)	85%	high
December Weather	11°C (51°F)	122 mm (4.8 inches)	87%	moderate