October Weather in Gillette, United States

Last updated: June 24, 2025

In Gillette, United States, the average temperature in October hovers around 6°C (44°F). Expect a range of temperatures from a chilly -21°C (-6°F) to a warm 29°C (84°F). During this month, the area receives 47 mm (1.9 in) of precipitation spread over 9 days, contributing to an average humidity level of 75%.

October Temperature in Gillette

In October in Gillette, the average temperature is 6°C (44°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -21°C (-6°F). Be prepared for a wide range of temperatures when traveling to Gillette during this time.

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

The chart illustrates October temperature patterns in Gillette, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gillette, October typically has an average temperature of 6°C (44°F), with highs reaching up to 29°C (84°F) and lows dropping to around -21°C (-6°F).

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

October Precipitation in Gillette

In Gillette in October, the precipitation amount is 47 mm (1.9 in) spread over a period of 9 days.

October Precipitation Trends in Gillette

The chart displays monthly precipitation patterns in Gillette, 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 Gillette, October typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 9 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 Gillette

In Gillette in October humidity is 75%. With an average temperature of 6°C (44°F), this humidity feels like a chilly, damp blanket wrapping around you, making travel less enjoyable as the moisture clings to your skin and seeps into your clothes, leaving you feeling uncomfortable and clammy.

October Average Humidity in Gillette

This chart illustrates the average monthly humidity levels in Gillette, 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 Gillette is approximately 75%, 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 Gillette

In Gillette 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 Gillette.

Maximum UV Index Levels in Gillette for October

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

Data source: Gillette 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 Gillette Compares to Other Months

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

This table compares monthly weather conditions in Gillette, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	19 mm (0.8 inches)	78%	moderate
February Weather	-5°C (23°F)	26 mm (1.0 inches)	79%	moderate
March Weather	3°C (38°F)	33 mm (1.3 inches)	71%	high
April Weather	6°C (42°F)	61 mm (2.4 inches)	70%	very high
May Weather	12°C (53°F)	67 mm (2.6 inches)	75%	very high
June Weather	19°C (67°F)	39 mm (1.6 inches)	82%	extreme
July Weather	23°C (74°F)	56 mm (2.2 inches)	84%	extreme
August Weather	21°C (71°F)	35 mm (1.4 inches)	85%	very high
September Weather	16°C (62°F)	43 mm (1.7 inches)	79%	very high
October Weather	6°C (44°F)	47 mm (1.9 inches)	75%	moderate
November Weather	3°C (37°F)	20 mm (0.8 inches)	75%	moderate
December Weather	-1°C (30°F)	24 mm (0.9 inches)	81%	low