Clayton, NM

New Mexico · Records since 1896–2026

☀️ 87°F
Currently in Clayton
As of 12:30 PM MDT

Records for September 11

🔥 Record High

99°F

September 11, 2021

+17° from 82° normal

❄ Record Low

35°F

September 11, 2020

-19° from 54° normal
🌞 Normal high: 82°F 🌑 Normal low: 54°F 1991–2020 normals

All-Time Records — Clayton

🔥
105°F
Hottest Day Ever
Jul 30, 1934
❄
-21°F
Coldest Day Ever
Jan 4, 1959
🌧
6.20"
Wettest Day Ever
Apr 30, 1914
☃
18.5"
Most Snow in One Day
Dec 29, 2006

First & Last Dates — Clayton

How early and how late each seasonal turning point has ever arrived, across the full period of record

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Range ever recorded Normal date (1991–2020)
203 days
Longest growing season
2015
120 days
Shortest growing season
1971
174 days
Normal growing season
1991–2020 average

Top 10 Record Highs — September 11

# Temp Date
🏆 99°F September 11, 2021
2 95°F September 11, 2012
3 95°F September 11, 1911
4 93°F September 11, 1956
5 93°F September 11, 1910
6 92°F September 11, 2000
7 92°F September 11, 1930
8 91°F September 11, 1984
9 91°F September 11, 1976
10 91°F September 11, 1945

Top 5 Record Lows — September 11

# Temp Date
🥶 35°F September 11, 2020
2 36°F September 11, 1929
3 38°F September 11, 1898
4 43°F September 11, 1989
5 43°F September 11, 1918
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 1896–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Clayton

threshold: 95°F (90th percentile of historical Jun–Aug highs)
4.3
Avg heat wave length
days (historical)
99°
Avg peak temp
during heat waves
3
Dangerous nights 2026
Overnights ≥ 70°F
5
Heat waves 2026
so far

Days ≥ 90°F Per Year

1896–2026
81
2026 so far
41
Avg/year 1970–2025
52
Avg/year (last 10 complete)
86
Most in a year (2011)

Average Daily High by Decade

Full year · complete decades only

Longest Heat Waves — Clayton

# Dates Days Peak Avg High Avg Overnight Low
🏆 Aug 4, 2007 – Aug 15, 2007 12 99°F (Aug 6) 97°F 65°F
2 Jul 23, 2023 – Aug 2, 2023 11 101°F (Jul 24) 98°F 66°F
3 Jun 22, 2012 – Jul 1, 2012 10 103°F (Jun 27) 100°F 66°F
4 Aug 5, 2026 – Aug 14, 2026 10 100°F (Aug 7) 98°F 64°F
5 Jul 22, 2026 – Jul 30, 2026 9 103°F (Jul 27) 99°F 68°F
6 Jun 23, 1990 – Jul 1, 1990 9 102°F (Jun 24) 99°F 65°F
7 Jul 16, 2016 – Jul 24, 2016 9 102°F (Jul 17) 99°F 65°F
8 Jul 7, 2009 – Jul 14, 2009 8 103°F (Jul 9) 100°F 64°F
9 Aug 13, 1911 – Aug 20, 1911 8 100°F (Aug 14) 97°F 62°F
10 Jul 16, 2010 – Jul 23, 2010 8 100°F (Jul 19) 98°F 67°F

Heat Waves Per Year

Warm Summer Nights (Jun–Aug)

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

73
2026 total
above-normal nights
45.0
Avg / summer
1970–2020
80
Most in a summer
2010

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Annual totals and trend across the full period of record · see this year's standing →

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1896–2026)

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

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")

This Year — 2026

How Clayton is tracking against normal, year to date

Daily High Temperature vs Normal

Above normal Below normal

187 of 252 days with data were above the 1991–2020 normal high for their date.

Precipitation, Year to Date

8.21"
2026 YTD
Normal: 13.00"
-4.79"
0.06"
September so far
September normal: 1.75"
-1.69"
1
2026 heavy rain days
Days with ≥ 1.0"

Accumulation vs. Normal

Running total since Jan 1 against the normal pace for the same date · Clayton is 4.79" behind the normal pace

Period Review — Sep 1 – Nov 30, 2026

Any window, evaluated against every other year on record — 91 days

Quick picks: Last 7 days Last 30 days Last 90 days This month
Seasons: Spring (Mar–May) Summer (Jun–Aug) Fall (Sep–Nov)
2026 is still under way for this window — totals and rankings appear once November 30 passes.

Average Temperature by Year — Sep 1 – Nov 30

1897–2025 · 2026 highlighted · trend +0.12° per decade (warming since 1897)

Precipitation by Year — Sep 1 – Nov 30

1897–2025 · 2026 highlighted · trend +0.01" per decade (wetter since 1897)

About this data. Pick any start and end date and this becomes the same kind of review as the Month and Fall tabs, just for exactly the window you asked for — the generalized version of the same engine, evaluated across every year on record. Average temperature is the mean of each day's (high + low) / 2; precipitation is the sum of daily totals. A year missing more than about a fifth of the window's days is excluded from the temperature ranking; any missing day excludes a year from the precipitation ranking, since an unreported day is unreported rain. Ranges that cross from December into January aren't supported yet. Normals are the 1991–2020 mean for the same window.
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