October Weather in Colusa, United States

Last updated: June 24, 2025

In October, the average temperature in Colusa, United States is a comfortable 20°C (69°F). Prepare for a range that can dip to a brisk 4°C (40°F) or soar to a scorching 39°C (103°F). During this month, anticipate 25 mm (1.0 in) of precipitation spread over just 2 days, with an average humidity of 65% to keep the air feeling fresh.

October Temperature in Colusa

In October in Colusa, the average temperature is 20°C (69°F). Maximum temperatures can reach 39°C (103°F), while minimums can drop to as low as 4°C (40°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates October temperature patterns in Colusa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colusa, October typically has an average temperature of 20°C (69°F), with highs reaching up to 39°C (103°F) and lows dropping to around 4°C (40°F).

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

October Precipitation in Colusa

In Colusa in October, the precipitation amount is 25 mm (1.0 in) over the course of 2 days.

October Precipitation Trends in Colusa

The chart displays monthly precipitation patterns in Colusa, 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 Colusa, October typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 2 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 Colusa

In Colusa in October, humidity is 65%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, creating a sticky atmosphere that can be quite oppressive for traveling, making every step feel heavier and the air thick with moisture.

October Average Humidity in Colusa

This chart illustrates the average monthly humidity levels in Colusa, 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 Colusa is approximately 65%, 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 Colusa

In Colusa 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 Colusa, you can refer to this Hourly UV Index in Colusa.

Maximum UV Index Levels in Colusa for October

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

Data source: Colusa 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 Colusa Compares to Other Months

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

This table compares monthly weather conditions in Colusa, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	95 mm (3.8 inches)	84%	moderate
February Weather	13°C (55°F)	91 mm (3.6 inches)	84%	moderate
March Weather	14°C (58°F)	71 mm (2.8 inches)	83%	high
April Weather	19°C (66°F)	27 mm (1.1 inches)	81%	very high
May Weather	23°C (74°F)	23 mm (0.9 inches)	74%	very high
June Weather	28°C (83°F)	3 mm (0.1 inches)	64%	extreme
July Weather	30°C (87°F)	0 mm (0.0 inches)	44%	very high
August Weather	29°C (85°F)	0 mm (0.0 inches)	36%	very high
September Weather	26°C (79°F)	1 mm (0.0 inches)	44%	very high
October Weather	20°C (69°F)	25 mm (1.0 inches)	65%	high
November Weather	14°C (58°F)	38 mm (1.5 inches)	84%	moderate
December Weather	10°C (51°F)	73 mm (2.9 inches)	83%	moderate