October Weather in Alturas, United States

Last updated: June 24, 2025

In October, the average temperature in Alturas, United States is a comfortable 9°C (49°F). Expect temperatures to range dramatically, with minimums plunging to -8°C (18°F) and peaks soaring to 30°C (87°F). Additionally, prepare for 35 mm (1.4 in) of precipitation spread over about 4 days of the month, while enjoying an average humidity of 67%.

October Temperature in Alturas

In October in Alturas, the average temperature is 9°C (49°F). Maximums can reach 30°C (87°F), and minimums can drop as low as -8°C (18°F). Be sure to pack layers to comfortably enjoy the diverse weather conditions during your visit.

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

The chart illustrates October temperature patterns in Alturas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alturas, October typically has an average temperature of 9°C (49°F), with highs reaching up to 30°C (87°F) and lows dropping to around -8°C (18°F).

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

October Precipitation in Alturas

In Alturas in October, the precipitation amount is 35 mm (1.4 in) over a span of 4 days.

October Precipitation Trends in Alturas

The chart displays monthly precipitation patterns in Alturas, 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 Alturas, October typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 4 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 Alturas

In Alturas in October, humidity is 67%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to bundle up if you're planning to explore the area.

October Average Humidity in Alturas

This chart illustrates the average monthly humidity levels in Alturas, 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 Alturas is approximately 67%, 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 Alturas

In Alturas in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Alturas.

Maximum UV Index Levels in Alturas for October

The chart shows the monthly maximum UV Index (UVI) for Alturas 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 Alturas typically reaches 7, which falls under the high exposure category.

Data source: Alturas 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 Alturas Compares to Other Months

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

This table compares monthly weather conditions in Alturas, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	74 mm (2.9 inches)	86%	moderate
February Weather	0°C (33°F)	74 mm (2.9 inches)	87%	moderate
March Weather	3°C (38°F)	72 mm (2.9 inches)	86%	high
April Weather	7°C (45°F)	54 mm (2.1 inches)	83%	very high
May Weather	13°C (55°F)	53 mm (2.1 inches)	72%	extreme
June Weather	18°C (65°F)	18 mm (0.7 inches)	67%	extreme
July Weather	23°C (74°F)	3 mm (0.1 inches)	56%	extreme
August Weather	22°C (72°F)	6 mm (0.2 inches)	42%	extreme
September Weather	17°C (63°F)	20 mm (0.8 inches)	46%	very high
October Weather	9°C (49°F)	35 mm (1.4 inches)	67%	high
November Weather	4°C (40°F)	47 mm (1.8 inches)	86%	moderate
December Weather	-1°C (31°F)	69 mm (2.7 inches)	86%	moderate