October weather forecast
Los Alamos, CA

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Weather in October

October, the same as September, is a moderately hot autumn month in Los Alamos, California, with an average temperature fluctuating between 57.9°F (14.4°C) and 73.6°F (23.1°C).

Temperature

October's presence records an average high-temperature of a still moderately hot 73.6°F (23.1°C), closely mirroring September's climate. Los Alamos's average low-temperature in the month of October is recorded at a mild 57.9°F (14.4°C).

Humidity

The months with the lowest humidity are October and November, with an average relative humidity of 58%.

Rainfall

In Los Alamos, California, during October, the rain falls for 1.9 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, there are 37.7 rainfall days, and 5.98" (152mm) of precipitation is accumulated.

Daylight

In Los Alamos, the average length of the day in October is 11h and 17min.
On the first day of the month, sunrise is at 6:56 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:21 am and sunset at 6:07 pm PDT.

Sunshine

In October, the average sunshine is 7.8h.

UV index

In Los Alamos, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 5 in October translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

During October, Los Alamos experiences an average high-temperature of 73.6°F (23.1°C) and a low-temperature of 57.9°F (14.4°C).

What are the least humid months?

October and November, with an average relative humidity of 58%, are the least humid months in Los Alamos.

What is the average humidity in October?

The average relative humidity in October is 58%.

How much does it rain in October?

In Los Alamos, in October, during 1.9 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

How many hours of daylight does Los Alamos have in October?

In October, the average day length in Los Alamos is 11h and 17min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:56 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:07 pm PDT.

How many hours of sunshine does Los Alamos have in October?

In October, the average sunshine duration is 7.8h.

How high is the UV index in October?

The average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Los Alamos, CA

Average temperature in October - Los Alamos, CA
  • Average high temperature in October: 73.6°F

The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in October: 57.9°F

The month with the highest average low temperature is September (61.2°F).
The coldest month (with the lowest average low temperature) is February (47.8°F).

Average pressure in October
Los Alamos, CA

Average pressure in October - Los Alamos, CA
  • Average pressure in October: 29.96"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed in October
Los Alamos, CA

Average wind speed in October - Los Alamos, CA
  • Average wind speed in October: 7.1mph

The windiest month (with the highest average wind speed) is May (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in October
Los Alamos, CA

Average humidity in October - Los Alamos, CA
  • Average humidity in October: 58%

The month with the highest relative humidity is March (67%).
The months with the lowest relative humidity are October and November (58%).

Average rainfall in October
Los Alamos, CA

Average rainfall in October - Los Alamos, CA
  • Average rainfall in October: 0.2"

The wettest month (with the highest rainfall) is January (1.38").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in October
Los Alamos, CA

Average rainfall days in October - Los Alamos, CA
  • Average rainfall days in October: 1.9 days

The month with the highest number of rainy days is March (6.2 days).
The month with the least rainy days is August (0.8 days).

Average daylight in October /
Average sunshine in October
Los Alamos, CA

Average daylight in October / Average sunshine in October - Los Alamos, CA
  • Average daylight in October: 11h and 2min

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

  • Average sunshine in October: 7h and 5min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in October
Los Alamos, CA

Average sunshine days in October - Los Alamos, CA
  • Average sunshine days in October: 28.2 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (22.3 days).

Average UV index in October
Los Alamos, CA

Average UV index in October - Los Alamos, CA
  • Average UV index in October: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in October
Los Alamos, CA

Average cloud cover in October - Los Alamos, CA
  • Average cloud cover in October: 10

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in October
Los Alamos, CA

Average visibility in October - Los Alamos, 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).

Los Alamos, California, USA

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