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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another comfortable winter month in Los Alamos, California, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 63°F (17.2°C). Los Alamos measures an average high-temperature of a still refreshing 63°F (17.2°C) in January, nearly consistent with the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Los Alamos, is also an enjoyable month, with an average temperature ranging between min 47.8°F (8.8°C) and max 62.1°F (16.7°C). With the advent of February, Los Alamos's high-temperatures adjust to a still comfortable 62.1°F (16.7°C), closely aligning with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in Los Alamos, California, with an average temperature fluctuating between 64°F (17.8°C) and 48.7°F (9.3°C). The shift into March reveals an average high-temperature of a still refreshing 64°F (17.8°C), closely mirroring February's climate. Weather in March »
Weather in April
April, like March, in Los Alamos, California, is another comfortable spring month, with an average temperature ranging between min 50.4°F (10.2°C) and max 66.9°F (19.4°C). Los Alamos signifies an average high-temperature of a still enjoyable 66.9°F (19.4°C) in April, closely mirroring the 64°F (17.8°C) of 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 ranging between min 52.3°F (11.3°C) and max 69.6°F (20.9°C). The beginning of May records an average high-temperature of a pleasant 69.6°F (20.9°C), almost echoing the conditions of the previous month. 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 fluctuating between 74.5°F (23.6°C) and 56.3°F (13.5°C). Los Alamos notes an average high-temperature of a warm 74.5°F (23.6°C) in June, displaying minor variation from May. Weather in June »
Weather in July
July, like June, in Los Alamos, California, is a moderately hot summer month, 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). The onset of July brings with it an average high-temperature of a still moderately hot 78.3°F (25.7°C), showing a negligible variation from the month before. Weather in July »
Weather in August
August, the last month of the summer in Los Alamos, is also a moderately hot month, with an average temperature fluctuating between 78.8°F (26°C) and 60.8°F (16°C). August is Los Alamos's warmest month, registering average high temperatures of 78.8°F (26°C) and lows of 60.8°F (16°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Los Alamos, California, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 61.2°F (16.2°C). As Los Alamos steps into September, the average high-temperature holds at a still moderately hot 77.5°F (25.3°C), hinting at a minor fluctuation from the prior month. Weather in September »
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). October's presence records an average high-temperature of a still moderately hot 73.6°F (23.1°C), closely mirroring September's climate. Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Los Alamos, California, with an average temperature ranging between min 52.9°F (11.6°C) and max 67.5°F (19.7°C). The shift from October to November includes a small decrease in the average high-temperature, from a moderately hot 73.6°F (23.1°C) to an enjoyable 67.5°F (19.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a refreshing month in Los Alamos, California, with an average temperature ranging between max 61.2°F (16.2°C) and min 48.6°F (9.2°C). Los Alamos's temperature records reveal December as the coldest month, marked by average highs of 61.2°F (16.2°C) and lows of 48.6°F (9.2°C). Weather in December »
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the wettest month?
January is the month with the most rainfall. Rain falls for 4.8 days and accumulates 1.38" (35mm) of precipitation.
How much does it rain?
Throughout the year, there are 37.7 rainfall days, and 5.98" (152mm) of precipitation is accumulated.
What is the month with the least sunshine in Los Alamos?
February has the least sunshine of the year, with an average of 6.6h of sunshine.
What is the most humid month?
The most humid month is March, with an average relative humidity of 67%.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Los Alamos, 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?
The month with the least rainfall is June, when the rain falls for 1 days and typically collects 0.04" (1mm) of precipitation.
When are the longest days?
With an average of 14h and 30min of daylight, June has the longest days of the year.
What is the month with the most sunshine?
June and July, with an average of 12h of sunshine, are months with the most sunshine.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Los Alamos.
What month is the hottest in Los Alamos?
August, with an average high of 78.8°F (26°C) and a low of 60.8°F (16°C), signifies the warmest month of the year.
What are the least humid months?
October and November, with an average relative humidity of 58%, are the least humid months.
What are the coldest months?
Los Alamos's December weather reaches an average high of 61.2°F (16.2°C) and an average low of 48.6°F (9.2°C), making it the coldest month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 54min of daylight.
What is the month with the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 3.
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).
Average pressure
Los Alamos, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.09"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
Los Alamos, CA
- Average wind speed in January:
7mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8mph - Average wind speed in April:
8.8mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
7mph - Average wind speed in September:
7.2mph - Average wind speed in October:
7.1mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.2mph
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
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%).
Average rainfall
Los Alamos, CA
- Average rainfall in January:
1.38" - Average rainfall in February:
1.02" - Average rainfall in March:
1.14" - Average rainfall in April:
0.35" - Average rainfall in May:
0.12" - Average rainfall in June:
0.04"
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
Los Alamos, CA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
6.2 days - Average rainfall days in April:
3.6 days - Average rainfall days in May:
2.4 days - Average rainfall days in June:
1 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
1.6 days - Average rainfall days in October:
1.9 days - Average rainfall days in November:
2.4 days - Average rainfall days in December:
5 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 / Average sunshine
Los Alamos, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
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 January:
6h and 5min - Average sunshine in February:
6h and 4min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 1min - Average sunshine in May:
11h and 4min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 2min - Average sunshine in October:
7h and 5min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 4min
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
Los Alamos, CA
- Average sunshine days in January:
25.5 days - Average sunshine days in February:
22.3 days - Average sunshine days in March:
25.2 days - Average sunshine days in April:
26 days - Average sunshine days in May:
27.5 days - Average sunshine days in June:
28.3 days
- Average sunshine days in July:
26.8 days - Average sunshine days in August:
29 days - Average sunshine days in September:
27.9 days - Average sunshine days in October:
28.2 days - Average sunshine days in November:
26.6 days - Average sunshine days in December:
25.7 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
Los Alamos, CA
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
Los Alamos, CA
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
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).
Los Alamos, California, USA
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