October Weather in Alta, United States

Last updated: June 24, 2025

In October, the average temperature in Alta, United States hovers around 10°C (50°F), with a variable minimum dipping as low as -9°C (16°F) and reaching a maximum of 31°C (87°F). Expect 96 mm (3.8 in) of precipitation spread over 10 days, contributing to an average humidity of 77%. Perfect time to experience the climate's diverse character!

October Temperature in Alta

In October in Alta, the average temperature is 10°C (50°F). Maximums can reach 31°C (87°F), while minimums can dip as low as -9°C (16°F). Be prepared for diverse weather conditions and pack accordingly for your travels.

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

The chart illustrates October temperature patterns in Alta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alta, October typically has an average temperature of 10°C (50°F), with highs reaching up to 31°C (87°F) and lows dropping to around -9°C (16°F).

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

October Precipitation in Alta

In Alta in October, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.

October Precipitation Trends in Alta

The chart displays monthly precipitation patterns in Alta, 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 Alta, October typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 10 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 Alta

In Alta in October, humidity is 77%. With an average temperature of 10°C (50°F), this humidity feels like a thick, heavy blanket enveloping you, making travel uncomfortable and sticky, as it clings to your skin and clothes, turning each step into a challenge.

October Average Humidity in Alta

This chart illustrates the average monthly humidity levels in Alta, 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 Alta is approximately 77%, 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 Alta

In Alta 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 Alta.

Maximum UV Index Levels in Alta for October

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

Data source: Alta 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 Alta Compares to Other Months

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

This table compares monthly weather conditions in Alta, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	26 mm (1.0 inches)	80%	moderate
February Weather	-6°C (21°F)	40 mm (1.6 inches)	84%	moderate
March Weather	3°C (37°F)	71 mm (2.8 inches)	75%	moderate
April Weather	8°C (46°F)	88 mm (3.5 inches)	79%	very high
May Weather	16°C (60°F)	140 mm (5.5 inches)	74%	very high
June Weather	23°C (73°F)	127 mm (5.0 inches)	81%	extreme
July Weather	24°C (76°F)	66 mm (2.6 inches)	82%	very high
August Weather	22°C (72°F)	108 mm (4.2 inches)	80%	very high
September Weather	19°C (67°F)	105 mm (4.1 inches)	75%	very high
October Weather	10°C (50°F)	96 mm (3.8 inches)	77%	moderate
November Weather	2°C (36°F)	34 mm (1.3 inches)	85%	moderate
December Weather	-2°C (28°F)	41 mm (1.6 inches)	83%	moderate