Alamosa, CO

Colorado · Records since 1906–2026

☁️ 88Β°F Feels like 84Β°
Currently in Alamosa
As of 6:00 PM MDT
πŸ”₯ 2° from today's record of 90°F

Records for July 28

🔥 Record High

90Β°F

July 28, 2016

+7Β° from 83Β° normal

❄ Record Low

35Β°F

July 28, 1986

-13Β° from 48Β° normal
🌞 Normal high: 83Β°F 🌑 Normal low: 48Β°F 1991–2020 normals

All-Time Records β€” Alamosa

🔥
96°F
Hottest Day Ever
Jul 5, 1989
-50°F
Coldest Day Ever
Jan 28, 1948
🌧
1.77"
Wettest Day Ever
Sep 30, 1959
15.8"
Most Snow in One Day
Dec 13, 1967

Top 10 Record Highs β€” July 28

# Temp Date
🏆 90Β°F July 28, 2016
2 89Β°F July 28, 2021
3 89Β°F July 28, 2011
4 89Β°F July 28, 1995
5 89Β°F July 28, 1951
6 88Β°F July 28, 2000
7 88Β°F July 28, 1978
8 88Β°F July 28, 1960
9 87Β°F July 28, 2024
10 87Β°F July 28, 2023

Top 5 Record Lows β€” July 28

# Temp Date
🥶 35Β°F July 28, 1986
2 36Β°F July 28, 2004
3 39Β°F July 28, 1944
4 40Β°F July 28, 1933
5 41Β°F July 28, 2005
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1906–2026. Climate normals represent the 1991–2020 average.
3
days
🔥 Heat Wave in Progress
3 consecutive days at or above 87Β°F · since July 24
Heat wave in progress (3+ days β‰₯ 87Β°F)

Heat Wave Summary β€” Alamosa

threshold: 87Β°F (90th percentile of historical Jun–Aug highs)
4.7
Avg heat wave length
days (historical)
90Β°
Avg peak temp
during heat waves
0
Dangerous nights 2026
Overnights β‰₯ 70Β°F
4
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

160 of 207 days with data were above the 1991–2020 normal high for their date.


Days β‰₯ 90Β°F Per Year

1934–2026
8
2026 so far
5
Avg/year 1970–2025
8
Avg/year (last 10 complete)
20
Most in a year (2003)

Average Daily High by Decade

Full year Β· complete decades only


Longest Heat Waves β€” Alamosa

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 1, 2003 – Jul 26, 2003 26 93Β°F (Jul 13) 90Β°F 48Β°F
2 Jul 11, 2023 – Jul 31, 2023 21 95Β°F (Jul 17) 90Β°F 48Β°F
3 Aug 13, 2020 – Aug 26, 2020 14 92Β°F (Aug 19) 89Β°F 44Β°F
4 Jun 17, 2012 – Jun 27, 2012 11 93Β°F (Jun 24) 91Β°F 46Β°F
5 Jun 23, 1990 – Jul 2, 1990 10 93Β°F (Jun 29) 90Β°F 47Β°F
6 Jul 14, 2005 – Jul 23, 2005 10 92Β°F (Jul 17) 91Β°F 49Β°F
7 Jul 1, 1989 – Jul 9, 1989 9 96Β°F (Jul 5) 92Β°F 42Β°F
8 Jun 10, 2021 – Jun 18, 2021 9 94Β°F (Jun 16) 90Β°F 43Β°F
9 Jul 30, 2024 – Aug 7, 2024 9 92Β°F (Aug 5) 90Β°F 48Β°F
10 Jul 2, 2011 – Jul 10, 2011 9 90Β°F (Jul 4) 89Β°F 50Β°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

29
2026 so far
above-normal nights
41.6
Avg / summer
1970–2020
67
Most in a summer
1957

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows Β· complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

1.35"
2026 YTD
Normal: 3.58"
-2.23"
0.26"
July so far
July normal: 1.04"
-0.78"
0.38"
Summer so far
Summer normal: 2.76"
-2.38"
0
2026 heavy rain days
Days with β‰₯ 1.0"

Monthly Precipitation β€” Last 24 Months

Blue = actual Β· dashed line = monthly normal

Annual Precipitation Per Year (1970–2026)

Blue = above average Β· tan = below average Β· gold = 2026 (partial)

Heavy Rain Days Per Year (β‰₯ 1.0")

Compare year-to-year changes in days with heavy rainfall (β‰₯ 1.0")