October weather forecast
Los Alamos, NM

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Weather in October

October brings in the heart of the fall season. It is a magical time in Los Alamos with weather conditions idyllic for outdoor activities and long strolls. The city witnesses a significant drop in temperature compared to September. However, a high of 61.5°F (16.4°C) renders October a popular traveling period, with tourists flocking to enjoy the unspoiled beauty of the fall season in the city.

Temperature

During the transition into October, Los Alamos observes a decrease in the average high-temperature, falling from a moderately hot 73.9°F (23.3°C) in September to an enjoyable 61.5°F (16.4°C). Los Alamos experiences a consistent average temperature of 40.5°F (4.7°C) throughout the nights in October.

Humidity

The average relative humidity in October in Los Alamos is 48%.

Rainfall

In Los Alamos, during October, the rain falls for 6.9 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Los Alamos, New Mexico, during the entire year, the rain falls for 106.2 days and collects up to 12.05" (306mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 30.9 snowfall days, and 19.69" (500mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 16min.
On the first day of the month, sunrise is at 7:00 am and sunset at 6:48 pm. On the last day of October, in Los Alamos, New Mexico, sunrise is at 7:27 am and sunset at 6:10 pm MDT.

Sunshine

The average sunshine in October is 7.5h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In October, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What are the temperatures in Los Alamos in October?

The high-temperature in Los Alamos during October is 61.5°F (16.4°C) and the low-temperature is 40.5°F (4.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 82.4°F (28°C).

What is the average humidity in October in Los Alamos?

In October, the average relative humidity is 48%.

How much does it rain in Los Alamos in October?

In Los Alamos, during October, the rain falls for 6.9 days and regularly aggregates up to 0.91" (23mm) of precipitation.

When does it start snowing in Los Alamos?

October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.31" (8mm) of snow.

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

In October, the average day length in Los Alamos is 11h and 16min.

When is the sunrise / sunset in October in Los Alamos?

On the first day of October in Los Alamos, New Mexico, sunrise is at 7:00 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 6:10 pm MDT.

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

In October, the average sunshine duration is 7.5h.

What is the UV index reading in October in Los Alamos?

In Los Alamos, New Mexico, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Los Alamos, NM

Average temperature in October - Los Alamos, NM
  • Average high temperature in October: 61.5°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in October: 40.5°F

The month with the highest average low temperature is July (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (21.6°F).

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Average pressure in October
Los Alamos, NM

Average pressure in October - Los Alamos, NM
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

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Average wind speed in October
Los Alamos, NM

Average wind speed in October - Los Alamos, NM
  • Average wind speed in October: 6.3mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in October
Los Alamos, NM

Average humidity in October - Los Alamos, NM
  • Average humidity in October: 48%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (33%).

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Average rainfall in October
Los Alamos, NM

Average rainfall in October - Los Alamos, NM
  • Average rainfall in October: 0.91"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is April (0.39").

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Average rainfall days in October
Los Alamos, NM

Average rainfall days in October - Los Alamos, NM
  • Average rainfall days in October: 6.9 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (5.1 days).

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Average snowfall in October
Los Alamos, NM

Average snowfall in October - Los Alamos, NM
  • Average snowfall in October: 0.31"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Los Alamos, NM

Average snowfall days in October - Los Alamos, NM
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in October: 7h and 3min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 6min).

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Average sunshine days in October
Los Alamos, NM

Average sunshine days in October - Los Alamos, NM
  • Average sunshine days in October: 21.8 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (8.9 days).

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Average UV index in October
Los Alamos, NM

Average UV index in October - Los Alamos, NM
  • Average UV index in October: 3

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Los Alamos, NM

Average cloud cover in October - Los Alamos, NM
  • Average cloud cover in October: 11

The month with the most cloud cover is January (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 10).

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Average visibility in October
Los Alamos, NM

Average visibility in October - Los Alamos, NM
  • 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).

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Los Alamos, New Mexico, USA

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