Los Alamos, NM 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
- Julywarmest month · 83°F average high
- Januarycoldest month · 21°F average low
- 17.5 inprecipitation per year · 444 mm
- 42.1 insnowfall per year · 107 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Los Alamos: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station LOS ALAMOS, NM US (USC00295084), 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 | 7:13 AM | 5:16 PM | 10 h 3 min |
| February | 6:50 AM | 5:48 PM | 10 h 57 min |
| March | 7:14 AM | 7:13 PM | 11 h 59 min |
| April | 6:30 AM | 7:39 PM | 13 h 9 min |
| May | 5:57 AM | 8:05 PM | 14 h 7 min |
| June | 5:46 AM | 8:24 PM | 14 h 37 min |
| July | 5:59 AM | 8:23 PM | 14 h 24 min |
| August | 6:22 AM | 7:56 PM | 13 h 33 min |
| September | 6:46 AM | 7:13 PM | 12 h 27 min |
| October | 7:10 AM | 6:30 PM | 11 h 19 min |
| November | 6:40 AM | 4:59 PM | 10 h 18 min |
| December | 7:06 AM | 4:54 PM | 9 h 47 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Los Alamos?
Los Alamos has a warm-summer humid continental climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is January, with average lows of 21°F (-6°C).
It gets about 17.5 inches (444 mm) of precipitation a year. The wettest month is August and the driest is February. Snow is common: about 42 inches fall in an average year.
The best time to visit Los Alamos is May–June and August–September. At 7,320 ft of elevation, nights are cool even in summer. 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?
July, with an average high of 83°F (28°C).
What is the coldest month in Los Alamos?
January, with an average low of 21°F (-6°C).
How much does it rain in Los Alamos?
About 17.5 inches (444 mm) a year; the wettest month is August.
Does it snow in Los Alamos?
Yes, about 42 inches of snow fall in an average year.
When is the best time to visit Los Alamos?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Los Alamos have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Los Alamos in November?
Highs average 51°F and lows 29°F, with about 0.9 inches of precipitation.
What time is sunrise in Los Alamos?
Around 6:40 AM in mid-November, and sunset around 4:59 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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