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Thunderstorms may bring heavy to excessive rainfall and the potential for flooding over South Texas late Wednesday through Friday. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued for portions of South Texas. A Pacific storm will begin to impact the Pacific Northwest Wednesday, bringing strong winds, heavy showers and the potential for severe thunderstorms. Read More >

 

Halloween in Alamosa

 

TEMPERATURE
 

Average High Average Low Record High Record Low

Lowest Maximum

("Coolest High")

Highest Minimum

("Warmest Low")

57 19 70 in 1945 -9 in 1991 23 in 1991 36 in 2003

 

Average Temperature for October 31st :  37.6 F

 

PRECIPITATION

Record Precipitation:  0.76 inches in 1985

Number of times with a trace or more............... 21
Number of times with 0.10 of an inch or more... 8
Climatological chance of a trace or more......  23%
Climatological chance of an inch or more........ 9%

SNOWFALL

Record Snowfall:  10.9 inches in 1972 

Number of times with a trace or more....... 12
Number of times with an inch or more....... 6
Climatological chance of a trace or more.. 13%
Climatological chance of an inch or more... 7%

 

 SNOW ON GROUND

Record Snow on Ground:  12.0 inches in 1991
 
Number of times with a trace or more.....  12
Number of times with an inch or more.....  7
Climatological chance of a trace or more... 13%
Climatological chance of an inch or more..   8%

The last "chilling" Halloween was in 1991. There was 12 inches of snow on the ground at 5 am that morning, with an additional 2 inches falling that day. The mercury rose to a high of only 23 degrees...which is the record lowest maximum temperature for that day, and dipped to a record low for that day of -9 degrees. Another cold Halloween was in 1972 when the day started off with 2 inches of snow on the ground, with a record 10.9 inches of snow falling during the day. The temperature only rose to a high of 29 degrees...with a low reading of 18 degrees.

Precipitation/Snowfall records are in inches, Oct. 1932 to the present.
Snow on the ground is at 5 am MST.  (7 am MST from 1984 - 1991 due to part-time staffing) Snow depth missing in 1947. Temperatures are in degrees Fahrenheit.
Current through 2021