October Weather in Greybull, United States

Last updated: June 24, 2025

In October, the average temperature in Greybull, United States is a crisp 7°C (45°F). Expect a wide temperature range, with minimums dipping to -17°C (1°F) and maximums soaring to 27°C (80°F). Rainfall is moderate, totaling 29 mm (1.1 in) over approximately 6 days, while the air feels quite humid, with an average humidity of 74%.

October Temperature in Greybull

In October in Greybull, the average temperature is 7°C (45°F). The maximum can reach 27°C (80°F) and the minimum can be as low as -17°C (1°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates October temperature patterns in Greybull, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greybull, October typically has an average temperature of 7°C (45°F), with highs reaching up to 27°C (80°F) and lows dropping to around -17°C (1°F).

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

October Precipitation in Greybull

In Greybull in October, the precipitation amount is 29 mm (1.1 in) over the course of 6 days.

October Precipitation Trends in Greybull

The chart displays monthly precipitation patterns in Greybull, 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 Greybull, October typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 6 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 Greybull

In Greybull in October, humidity is 74%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket that clings to your skin, making outdoor activities feel more intense and requiring extra layers to stay comfortable while exploring.

October Average Humidity in Greybull

This chart illustrates the average monthly humidity levels in Greybull, 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 Greybull is approximately 74%, 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 Greybull

In Greybull in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Greybull, you can refer to this Hourly UV Index in Greybull.

Maximum UV Index Levels in Greybull for October

The chart shows the monthly maximum UV Index (UVI) for Greybull 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 Greybull typically reaches 6, which falls under the high exposure category.

Data source: Greybull 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 Greybull Compares to Other Months

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

This table compares monthly weather conditions in Greybull, 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)	10 mm (0.4 inches)	85%	moderate
February Weather	-5°C (24°F)	21 mm (0.8 inches)	85%	moderate
March Weather	5°C (40°F)	14 mm (0.5 inches)	79%	high
April Weather	8°C (46°F)	30 mm (1.2 inches)	74%	very high
May Weather	13°C (56°F)	37 mm (1.5 inches)	76%	very high
June Weather	20°C (69°F)	14 mm (0.5 inches)	79%	extreme
July Weather	25°C (77°F)	7 mm (0.3 inches)	81%	extreme
August Weather	23°C (73°F)	11 mm (0.4 inches)	80%	very high
September Weather	17°C (63°F)	30 mm (1.2 inches)	76%	very high
October Weather	7°C (45°F)	29 mm (1.1 inches)	74%	high
November Weather	2°C (37°F)	12 mm (0.5 inches)	81%	moderate
December Weather	-2°C (29°F)	14 mm (0.5 inches)	87%	low