Climate and monthly weather forecast
Los Alamos, CA

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Weather in January

January, the same as December, is another enjoyable winter month in Los Alamos, California, with an average temperature ranging between max 63°F (17.2°C) and min 49.3°F (9.6°C). With the onset of January, Los Alamos's average high-temperature clocks in at a still refreshing 63°F (17.2°C), showing a minor fluctuation from the previous month. Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in Los Alamos, California, with an average temperature ranging between min 47.8°F (8.8°C) and max 62.1°F (16.7°C). February is marked by an average high-temperature of a still comfortable 62.1°F (16.7°C), almost identical to the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Los Alamos, is still a refreshing month, with an average temperature varying between 48.7°F (9.3°C) and 64°F (17.8°C). March registers an average high-temperature of a still refreshing 64°F (17.8°C), slightly varied from February's 62.1°F (16.7°C). Weather in March »

Weather in April

April, the same as March, is another enjoyable spring month in Los Alamos, California, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 66.9°F (19.4°C). Los Alamos sees the arrival of April with an average high-temperature of a still refreshing 66.9°F (19.4°C), indicating a subtle variation from March. Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Los Alamos, California, with an average temperature varying between 52.3°F (11.3°C) and 69.6°F (20.9°C). Welcoming May, Los Alamos notes an average high-temperature of a pleasant 69.6°F (20.9°C), nearly consistent with April's 66.9°F (19.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Los Alamos, California, with an average temperature ranging between min 56.3°F (13.5°C) and max 74.5°F (23.6°C). Upon the beginning of June, Los Alamos's high-temperatures register at a moderately hot 74.5°F (23.6°C), closely mirroring the preceding month. Weather in June »

Weather in July

July, the same as June, is another warm summer month in Los Alamos, California, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 78.3°F (25.7°C). With the onset of July, Los Alamos's average high-temperature clocks in at a still moderately hot 78.3°F (25.7°C), showing a minor fluctuation from the previous month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Los Alamos, California, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 60.8°F (16°C). August is the month when Los Alamos experiences its warmest temperatures, averaging a high of 78.8°F (26°C) and a low of 60.8°F (16°C). Weather in August »

Weather in September

September, the first month of the autumn in Los Alamos, is still a warm month, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 77.5°F (25.3°C). September's average high-temperature stands at a still warm 77.5°F (25.3°C), showing little deviation from August's 78.8°F (26°C). Weather in September »

Weather in October

October, like September, in Los Alamos, California, is another warm autumn month, with an average temperature fluctuating between 73.6°F (23.1°C) and 57.9°F (14.4°C). Los Alamos's transition from September to October introduces an average high-temperature of a still moderately hot 73.6°F (23.1°C), marking an insignificant variation from the 77.5°F (25.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Los Alamos, is another refreshing month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 52.9°F (11.6°C). The advent of November brings a slight shift in average high-temperature, moving from a moderately hot 73.6°F (23.1°C) in October to a refreshing 67.5°F (19.7°C). Weather in November »

Weather in December

December, the first month of the winter in Los Alamos, is still a refreshing month, with an average temperature fluctuating between 48.6°F (9.2°C) and 61.2°F (16.2°C). Los Alamos experiences its lowest temperatures in December, with an average peak of 61.2°F (16.2°C) and a low of 48.6°F (9.2°C). Weather in December »
Updated: Feb 9, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What is the rainiest month in Los Alamos?

The month with the most rainfall in Los Alamos is January, when the rain falls for 4.8 days and typically aggregates up to 1.38" (35mm) of precipitation.

How much does it rain in Los Alamos?

In Los Alamos, during the entire year, the rain falls for 37.7 days and collects up to 5.98" (152mm) of precipitation.

What is the month with the least sunshine in Los Alamos?

The month with the least sunshine is February, with an average of 6.6h of sunshine.

What is the most humid month in Los Alamos?

March is the most humid month in Los Alamos, California, with an average relative humidity of 67%.

When is Daylight Saving Time (DST) in Los Alamos?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Los Alamos, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

What is the driest month in Los Alamos?

The month with the least rainfall in Los Alamos is June, when the rain falls for 1 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Los Alamos?

June has the longest days of the year in Los Alamos, with an average of 14h and 30min of daylight.

What are the months with the most sunshine in Los Alamos?

The months with the most sunshine are June and July, with an average of 12h of sunshine.

When is the highest UV index in Los Alamos?

The months with the highest UV index in Los Alamos, California, are June through August, with an average maximum UV index of 6.

What are the warmest months in Los Alamos?

In Los Alamos, temperatures reach their average annual highs in August, measuring 78.8°F (26°C) and a minimum average of 60.8°F (16°C).

What are the least humid months in Los Alamos?

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

What time of the year is the coldest in Los Alamos?

December, with its high-temperature average of 61.2°F (16.2°C) and a low-temperature average of 48.6°F (9.2°C), is the coldest month in Los Alamos.

What is the month with the shortest days in Los Alamos?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

When is the lowest UV index in Los Alamos?

With an average maximum UV index of 3, December is the month with the lowest UV index in Los Alamos, California.

Average temperature
Los Alamos, CA

Average temperature - Los Alamos, CA

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).

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).

[Resources]

Average pressure
Los Alamos, CA

Average pressure - Los Alamos, CA

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).

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Average wind speed
Los Alamos, CA

Average wind speed - Los Alamos, CA

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).

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Average humidity
Los Alamos, CA

Average humidity - Los Alamos, CA

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

[Resources]

Average rainfall
Los Alamos, CA

Average rainfall - Los Alamos, CA

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

[Resources]

Average rainfall days
Los Alamos, CA

Average rainfall days - Los Alamos, CA

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).

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Average daylight / Average sunshine
Los Alamos, CA

Average daylight / Average sunshine - Los Alamos, CA

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).

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).

[Resources]

Average sunshine days
Los Alamos, CA

Average sunshine days - Los Alamos, CA

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

[Resources]

Average visibility
Los Alamos, CA

Average visibility - Los Alamos, CA

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).

[Resources]

Los Alamos, California, USA

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