Annual mean 6°C · wettest around May · prevailing wind SW
Warmest
26.0 °C
Coldest
-2.2 °C
Wettest
28%
Windiest
6.1 m/s
Prevailing
SW
4.2 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 Alamosa over the whole year is 6°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -13°C. Alamosa has no sharply defined rainy season: the chance of rain on a given day runs from 23% in November, the driest month, to 27% in May, the wettest. Winds in Alamosa are highest in April, averaging 4.7 m/s (17 km/h), and lightest in August, at 3.0 m/s (11 km/h). The prevailing wind is from the SW. The clearest skies in Alamosa come in October, when the sky is typically 16% covered; March is the cloudiest month, at 27%.
Month by month Alamosa 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
-2°C
-13°C
-7°C
24%
27%
3.2 m/s
0
0
2
February
2°C
-9°C
-4°C
24%
24%
4.2 m/s
0
0
6
March
7°C
-5°C
1°C
25%
27%
4.5 m/s
1
0
22
April
12°C
-2°C
5°C
25%
25%
4.7 m/s
8
0
47
May
17°C
4°C
10°C
27%
26%
4.4 m/s
34
1
69
June
23°C
10°C
18°C
25%
18%
3.9 m/s
75
13
70
July
25°C
12°C
22°C
26%
22%
3.1 m/s
83
37
50
August
24°C
10°C
20°C
26%
23%
3.0 m/s
83
23
63
September
21°C
5°C
16°C
27%
20%
3.2 m/s
68
6
77
October
14°C
-1°C
8°C
25%
16%
3.5 m/s
22
0
63
November
6°C
-7°C
1°C
23%
18%
3.4 m/s
0
0
24
December
1°C
-11°C
-5°C
24%
22%
3.3 m/s
0
0
4
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 Alamosa weather by season
Year round, Alamosa has days of about -2°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -13°C to 12°C through the year, and the average temperature over the year is 6°C around the clock. Rain is most likely around May and least likely around November. 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.
Alamosa weather in winterDecember to February
High 0°CLow -11°CRain 24%
Winter in Alamosa has typical daily highs of about 0°C and lows of about -11°C, with a 24% chance of rain on a given day.
Alamosa weather in springMarch to May
High 12°CLow -1°CRain 26%
Spring in Alamosa has typical daily highs of about 12°C and lows of about -1°C, with a 26% chance of rain on a given day.
Alamosa weather in summerJune to August
High 24°CLow 10°CRain 26%
Summer in Alamosa has typical daily highs of about 24°C and lows of about 10°C, with a 26% chance of rain on a given day.
Alamosa weather in autumnSeptember to November
High 14°CLow -1°CRain 25%
Autumn in Alamosa has typical daily highs of about 14°C and lows of about -1°C, with a 25% chance of rain on a given day.
When is the rainy season in Alamosa?
Alamosa has no sharply defined rainy season: the chance of rain on a given day runs from 23% in November, the driest month, to 27% in May, the wettest.
What time of year is Alamosa windiest?
Winds in Alamosa are highest in April, averaging 4.7 m/s (17 km/h), and lightest in August, at 3.0 m/s (11 km/h). The prevailing wind is from the SW.
What is the average temperature in Alamosa year round?
The average temperature in Alamosa over the whole year is 6°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -13°C.