Alamosa climate

Alamosa Weather in May

NOAA 1991-2020 normals for Alamosa 1E, 1.2 km from Alamosa

Average highs run from 64°F on May 1 to 75°F on May 31, and lows from 30°F to 38°F. Normal precipitation for the month is 0.65 in over about 6 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Alamosa, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
69°F
Average low
34°F
Precipitation
0.65 in
Snowfall
0.8 in
Record high
90°FMay 31, 2002
Record low
11°FMay 1, 1967
Chance of a freeze
100%
Daylight
13 h 46 min to 14 h 34 min
Cloud cover
51%
Humidity
49%
Dew point
26°F
Wind
8.5 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 164°F30°F81°F 202011°F 196716%6%
May 264°F30°F77°F 202013°F 200816%6%
May 364°F30°F78°F 202011°F 201116%5%
May 465°F31°F80°F 201214°F 196716%5%
May 565°F31°F80°F 200015°F 202217%5%
May 665°F31°F80°F 200917°F 195017%5%
May 766°F32°F81°F 198913°F 197517%4%
May 866°F32°F82°F 198916°F 198417%4%
May 966°F32°F80°F 201813°F 195017%4%
May 1067°F32°F82°F 201817°F 194817%4%
May 1167°F33°F80°F 198414°F 200317%3%
May 1268°F33°F82°F 198417°F 195318%3%
May 1368°F33°F84°F 199620°F 196618%3%
May 1468°F34°F82°F 197817°F 201418%3%
May 1569°F34°F82°F 198819°F 199818%2%
May 1669°F34°F83°F 199623°F 195118%2%
May 1770°F34°F83°F 202221°F 198318%2%
May 1870°F35°F85°F 197021°F 197818%2%
May 1970°F35°F82°F 200817°F 197118%2%
May 2071°F35°F87°F 200520°F 196018%2%
May 2171°F35°F89°F 200520°F 197418%2%
May 2272°F36°F87°F 200522°F 197418%1%
May 2372°F36°F87°F 200523°F 197218%1%
May 2472°F36°F85°F 200522°F 197518%1%
May 2573°F36°F84°F 200621°F 201017%1%
May 2673°F37°F84°F 195325°F 195017%1%
May 2774°F37°F84°F 195125°F 195017%1%
May 2874°F37°F86°F 200021°F 201217%1%
May 2974°F37°F89°F 200024°F 199616%1%
May 3075°F38°F88°F 200026°F 195316%1%
May 3175°F38°F90°F 200224°F 198816%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Alamosa, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 6:08 AM, sunset 7:54 PM
May 31
sunrise 5:44 AM, sunset 8:18 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00050128 (Alamosa 1E), public domain. Records: NOAA GHCN-Daily, station USW00023061, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.