Annual mean 9°C · wettest around August · prevailing wind S
Warmest
26.5 °C
Coldest
1.1 °C
Wettest
30%
Windiest
5.3 m/s
Prevailing
S
3.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Los Alamos over the whole year is 9°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -6°C. Los Alamos has no sharply defined rainy season: the chance of rain on a given day runs from 18% in February, the driest month, to 28% in August, the wettest. Winds in Los Alamos are highest in April, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.6 m/s (9 km/h). The prevailing wind is from the S. The clearest skies in Los Alamos come in November, when the sky is typically 21% covered; August is the cloudiest month, at 31%.
Month by month Los Alamos climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
1°C
-6°C
-3°C
18%
30%
2.7 m/s
0
0
4
February
4°C
-4°C
-0°C
18%
28%
3.1 m/s
0
0
17
March
9°C
-1°C
4°C
20%
30%
3.5 m/s
4
0
34
April
14°C
3°C
8°C
22%
24%
3.7 m/s
15
0
61
May
18°C
8°C
14°C
23%
25%
3.6 m/s
46
1
76
June
24°C
13°C
21°C
23%
21%
3.2 m/s
79
27
57
July
26°C
15°C
25°C
26%
28%
2.7 m/s
74
54
31
August
24°C
13°C
23°C
28%
31%
2.6 m/s
80
42
42
September
22°C
10°C
20°C
26%
24%
2.7 m/s
80
16
68
October
15°C
4°C
11°C
21%
21%
2.8 m/s
34
0
72
November
9°C
-1°C
4°C
21%
21%
2.7 m/s
2
0
36
December
4°C
-5°C
-1°C
20%
25%
2.7 m/s
0
0
9
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Los Alamos weather by season
Year round, Los Alamos has days of about 1°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -6°C to 15°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around August and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Los Alamos weather in winterDecember to February
High 3°CLow -5°CRain 19%
Winter in Los Alamos has typical daily highs of about 3°C and lows of about -5°C, with a 19% chance of rain on a given day.
Los Alamos weather in springMarch to May
High 13°CLow 3°CRain 22%
Spring in Los Alamos has typical daily highs of about 13°C and lows of about 3°C, with a 22% chance of rain on a given day.
Los Alamos weather in summerJune to August
High 25°CLow 14°CRain 26%
Summer in Los Alamos has typical daily highs of about 25°C and lows of about 14°C, with a 26% chance of rain on a given day.
Los Alamos weather in autumnSeptember to November
High 15°CLow 4°CRain 23%
Autumn in Los Alamos has typical daily highs of about 15°C and lows of about 4°C, with a 23% chance of rain on a given day.
When is the rainy season in Los Alamos?
Los Alamos has no sharply defined rainy season: the chance of rain on a given day runs from 18% in February, the driest month, to 28% in August, the wettest.
What time of year is Los Alamos windiest?
Winds in Los Alamos are highest in April, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.6 m/s (9 km/h). The prevailing wind is from the S.
What is the average temperature in Los Alamos year round?
The average temperature in Los Alamos over the whole year is 9°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -6°C.