October weather forecast
Colusa, CA

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The scenic setting of shrubs, forests, and a boat on the stunning blue waters of the Colusa River in California
The scenic setting of shrubs, forests, and a boat on the stunning blue waters of the Colusa River in California

Weather in October

October, the same as September, is another warm autumn month in Colusa, California, with an average temperature varying between 77.5°F (25.3°C) and 54.9°F (12.7°C).

Temperature

Welcoming October, Colusa observes a shift in the average high-temperature, falling from September's hot 90.7°F (32.6°C) to a warm 77.5°F (25.3°C). October nights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 54.9°F (12.7°C).

Humidity

In Colusa, the average relative humidity in October is 44%.

Rainfall

In Colusa, in October, it is raining for 2.7 days, with typically 0.39" (10mm) of accumulated precipitation. In Colusa, during the entire year, the rain falls for 58.9 days and collects up to 6.89" (175mm) of precipitation.

Snowfall

In Colusa, snow does not fall in February through December.

Daylight

In October, the average length of the day in Colusa is 11h and 9min.
On the first day of October, sunrise is at 7:04 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:07 pm PDT.

Sunshine

In Colusa, the average sunshine in October is 7.1h.

UV index

In Colusa, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 during October leads to these advisories:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the usual temperature for Colusa in October?

The high-temperature, in October, in Colusa, is 77.5°F (25.3°C), while the low-temperature averages to 54.9°F (12.7°C). In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in October in Colusa?

In October, the average relative humidity in Colusa is 44%.

How much does it rain in Colusa in October?

In Colusa, in October, during 2.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

When it does not snow in Colusa?

In Colusa, California, snow does not fall in February through December.

What is the average length of the day in October in Colusa?

The average day length in October is 11h and 9min.

What time are sunrise and sunset in October in Colusa?

On the first day of October in Colusa, California, sunrise is at 7:04 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:07 pm PDT.

How long on average sun shines in October in Colusa?

The average sunshine duration in October in Colusa, California, is 7.1h.

How high is the UV index in October in Colusa?

The average daily maximum UV index in October in Colusa, California, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Colusa, CA

Average temperature in October - Colusa, CA
  • Average high temperature in October: 77.5°F

The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in October: 54.9°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

Average pressure in October
Colusa, CA

Average pressure in October - Colusa, CA
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in October
Colusa, CA

Average wind speed in October - Colusa, CA
  • Average wind speed in October: 6mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in October
Colusa, CA

Average humidity in October - Colusa, CA
  • Average humidity in October: 44%

The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (36%).

Average rainfall in October
Colusa, CA

Average rainfall in October - Colusa, CA
  • Average rainfall in October: 0.39"

The wettest months (with the highest rainfall) are February and December (1.3").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in October
Colusa, CA

Average rainfall days in October - Colusa, CA
  • Average rainfall days in October: 2.7 days

The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is July (1 days).

Average snowfall in October
Colusa, CA

Average snowfall in October - Colusa, CA
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.1").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average daylight in October /
Average sunshine in October
Colusa, CA

Average daylight in October / Average sunshine in October - Colusa, CA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in October
Colusa, CA

Average sunshine days in October - Colusa, CA
  • Average sunshine days in October: 27.6 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (19.7 days).

Average UV index in October
Colusa, CA

Average UV index in October - Colusa, CA
  • Average UV index in October: 5

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).

Average cloud cover in October
Colusa, CA

Average cloud cover in October - Colusa, CA
  • Average cloud cover in October: 15

The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in October
Colusa, CA

Average visibility in October - Colusa, CA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Colusa, California, USA

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