Los Alamos, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Los Alamos now
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Los Alamos weather by the hour
Los Alamos weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Los Alamos.
This week in Los Alamos
Sunrise, sunset and moon in Los Alamos
What is the weather usually like in Los Alamos?
Köppen climate classification, calculated from the 1991–2020 normals
- Septemberwarmest month · 73°F average high
- Decembercoldest month · 40°F average low
- 15.4 inprecipitation per year · 392 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Los Alamos: July to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station LOMPOC, CA US (USC00045064), adjusted for the elevation of Los Alamos.
Los Alamos weather month by month
Sunrise and sunset in Los Alamos through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:06 AM | 5:14 PM | 10 h 8 min |
| February | 6:44 AM | 5:45 PM | 11 h 0 min |
| March | 7:09 AM | 7:10 PM | 12 h 0 min |
| April | 6:27 AM | 7:34 PM | 13 h 7 min |
| May | 5:56 AM | 7:58 PM | 14 h 2 min |
| June | 5:45 AM | 8:17 PM | 14 h 31 min |
| July | 5:58 AM | 8:16 PM | 14 h 18 min |
| August | 6:20 AM | 7:50 PM | 13 h 29 min |
| September | 6:43 AM | 7:09 PM | 12 h 26 min |
| October | 7:05 AM | 6:27 PM | 11 h 21 min |
| November | 6:34 AM | 4:57 PM | 10 h 23 min |
| December | 6:59 AM | 4:52 PM | 9 h 53 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Los Alamos?
Los Alamos has a warm-summer mediterranean climate. The warmest month is September, with an average high of 73°F (23°C), and the coldest is December, with average lows of 40°F (5°C).
It gets about 15.4 inches (392 mm) of precipitation a year. The wettest month is February and the driest is August.
The best time to visit Los Alamos is July to October. At 568 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Los Alamos
Weather in towns near Los Alamos
Questions about the weather in Los Alamos
What is the hottest month in Los Alamos?
September, with an average high of 73°F (23°C).
What is the coldest month in Los Alamos?
December, with an average low of 40°F (5°C).
How much does it rain in Los Alamos?
About 15.4 inches (392 mm) a year; the wettest month is February.
Does it snow in Los Alamos?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Los Alamos?
July to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Los Alamos have?
Warm-summer mediterranean (Köppen Csb).
What is the weather like in Los Alamos in November?
Highs average 68°F and lows 44°F, with about 1.2 inches of precipitation.
What time is sunrise in Los Alamos?
Around 6:34 AM in mid-November, and sunset around 4:57 PM. Today’s exact times are shown above.
Where does this Los Alamos weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Los Alamos.
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