Climate and monthly weather forecast
Los Alamos, NM

Weather in January

January, the same as December, is a wintry winter month in Los Alamos, New Mexico, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 37.9°F (3.3°C). January is the coldest month, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Los Alamos, New Mexico, with an average temperature ranging between max 42.4°F (5.8°C) and min 23.9°F (-4.5°C). In February, the average high-temperature is essentially the same as in January - a still wintry 42.4°F (5.8°C). Weather in February »

Weather in March

March, the first month of the spring in Los Alamos, is a cool month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 52.3°F (11.3°C). In March, the average high-temperature rises from a wintry 42.4°F (5.8°C) in February to a fresh 52.3°F (11.3°C). Weather in March »

Weather in April

April is a moderate spring month in Los Alamos, New Mexico, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 59.7°F (15.4°C). In Los Alamos, the average high-temperature in April slightly increases from a cool 52.3°F (11.3°C) in March to a mild 59.7°F (15.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Los Alamos, New Mexico, with an average temperature varying between 43.7°F (6.5°C) and 68.5°F (20.3°C). In Los Alamos, the average high-temperature in May slightly increases from a moderate 59.7°F (15.4°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »

Weather in June

June, the first month of the summer in Los Alamos, is a moderately hot month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 80.6°F (27°C). In Los Alamos, New Mexico, the average high-temperature in June rises from an agreeable 68.5°F (20.3°C) in May to a warm 80.6°F (27°C). Weather in June »

Weather in July

July, like June, in Los Alamos, New Mexico, is a moderately hot summer month, with an average temperature varying between 59.2°F (15.1°C) and 81.3°F (27.4°C). The warmest month is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 59.2°F (15.1°C). The average heat index in July is appraised at 82.4°F (28°C). Weather in July »

Weather in August

August, the last month of the summer in Los Alamos, is also a moderately hot month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 79.7°F (26.5°C). In Los Alamos, the average high-temperature in August is relatively the same as in July - a still moderately hot 79.7°F (26.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Los Alamos, New Mexico, with an average temperature varying between 73.9°F (23.3°C) and 51.6°F (10.9°C). In September, the average high-temperature slightly decreases from 79.7°F (26.5°C) in August to a still warm 73.9°F (23.3°C). Weather in September »

Weather in October

October, like September, in Los Alamos, New Mexico, is another enjoyable autumn month, with an average temperature varying between 61.5°F (16.4°C) and 40.5°F (4.7°C). In Los Alamos, the average high-temperature in October decreases from a warm 73.9°F (23.3°C) in September to an enjoyable 61.5°F (16.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Los Alamos, is another chilly month, with an average temperature varying between 29.5°F (-1.4°C) and 49.5°F (9.7°C). In November, the average high-temperature drops from a comfortable 61.5°F (16.4°C) in October to a frosty 49.5°F (9.7°C). Weather in November »

Weather in December

December, the first month of the winter in Los Alamos, is also a wintry month, with an average temperature varying between 21.6°F (-5.8°C) and 38.8°F (3.8°C). In Los Alamos, the average high-temperature in December decreases from a chilly 49.5°F (9.7°C) in November to a cold 38.8°F (3.8°C). Weather in December »
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FAQ

What is the coldest month in Los Alamos?

January is the coldest month in Los Alamos, New Mexico, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 21.6°F (-5.8°C).

What is the most humid month in Los Alamos?

The most humid month in Los Alamos is January, with an average relative humidity of 70%.

How much does it rain in Los Alamos?

In Los Alamos, during the entire year, the rain falls for 106.2 days and collects up to 12.05" (306mm) of precipitation.

When does it snow in Los Alamos?

January through May, October through December are months with snowfall.

When does it snow the most in Los Alamos?

January is the month with the most snowfall in Los Alamos. Snow falls for 7.1 days and accumulates 5.24" (133mm) of snow.

How much does it snow in Los Alamos?

Throughout the year, there are 30.9 snowfall days, and 19.69" (500mm) of snow is accumulated.

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

January, February and December, with an average of 7.1h of sunshine, are months with the least sunshine in Los Alamos.

When is the lowest UV index in Los Alamos?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

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

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Los Alamos, New Mexico, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

What is the driest month in Los Alamos?

April is the month with the least rainfall. Rain falls for 7.5 days and accumulates 0.39" (10mm) of precipitation.

What is the least humid month in Los Alamos?

June is the least humid month in Los Alamos, New Mexico, with an average relative humidity of 33%.

When it does not snow in Los Alamos?

In Los Alamos, New Mexico, snow does not fall in June through September.

When are the longest days in Los Alamos?

The month with the longest days is June, with an average of 14h and 34min of daylight.

What month has the most sunshine in Los Alamos?

The month with the most sunshine in Los Alamos is June, with an average of 12.1h of sunshine.

What is the month with the highest UV index in Los Alamos?

The month with the highest UV index is June, with an average maximum UV index of 6.

What is the warmest month in Los Alamos?

July is the warmest month, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 59.2°F (15.1°C).

What is the rainiest month in Los Alamos?

July is the month with the most rainfall. Rain falls for 18.2 days and accumulates 2.56" (65mm) of precipitation.

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

December has the shortest days of the year in Los Alamos, New Mexico, with an average of 9h and 46min of daylight.

Average temperature
Los Alamos, NM

Average temperature - Los Alamos, NM

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).

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
Los Alamos, NM

Average pressure - Los Alamos, NM

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
Los Alamos, NM

Average wind speed - Los Alamos, NM

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 rainfall
Los Alamos, NM

Average rainfall - Los Alamos, NM

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
Los Alamos, NM

Average rainfall days - Los Alamos, NM

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
Los Alamos, NM

Average snowfall - Los Alamos, NM

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
Los Alamos, NM

Average snowfall days - Los Alamos, NM

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 / Average sunshine
Los Alamos, NM

Average daylight / Average sunshine - Los Alamos, NM

The month with the longest days is June (Average daylight: 14h and 34min).
The month with the shortest days is December (Average daylight: 9h and 46min).

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
Los Alamos, NM

Average sunshine days - Los Alamos, NM

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
Los Alamos, NM

Average UV index - Los Alamos, NM

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 visibility
Los Alamos, NM

Average visibility - Los Alamos, NM

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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