Frost history / Rio Rancho #1, NM
Rio Rancho #1, NM: frost dates by year
Last spring and first fall frost at NOAA station USC00297477, 2008 to 2025, measured from daily minimum temperatures.
Elevation 5,230 ft, 35.284, -106.619. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 16 | Oct 26 |
| Earliest | Apr 7 (2023) | Oct 2 (2009) |
| Latest | May 14 (2014) | Nov 5 (2014) |
| Trend | 13.1 days earlier per decade | 4.4 days later per decade |
| Years with data | 15 | 16 |
At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Nov 2.
The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.
Chart
Last spring frost (32°F)
First fall frost (32°F)
Dots are single years. The gray line is the median, the green line the fitted trend.
Year by year
| Year | Last spring 32°F | First fall 32°F | Last spring 28°F | First fall 28°F |
|---|---|---|---|---|
| 2025 | Apr 7 | Oct 31 | Apr 3 | Nov 27 |
| 2024 | Apr 8 | Oct 31 | Mar 29 | Oct 31 |
| 2023 | Apr 7 | Oct 30 | Apr 6 | Oct 30 |
| 2022 | Apr 15 | Oct 25 | Apr 15 | Nov 5 |
| 2021 | Apr 24 | Oct 13 | Apr 1 | Nov 19 |
| 2020 | Apr 16 | Oct 26 | Apr 16 | Oct 27 |
| 2019 | Apr 15 | Oct 10 | Apr 14 | Oct 12 |
| 2018 | Apr 14 | Oct 15 | Mar 29 | Nov 4 |
| 2017 | no data | Oct 29 | no data | Nov 19 |
| 2015 | Apr 18 | no data | Mar 7 | no data |
| 2014 | May 14 | Nov 5 | Apr 4 | Nov 13 |
| 2013 | May 3 | Oct 11 | Apr 25 | Oct 19 |
| 2012 | Apr 15 | Oct 26 | Mar 20 | Oct 27 |
| 2011 | May 4 | Oct 29 | May 3 | Nov 3 |
| 2010 | May 2 | Oct 26 | Apr 9 | Nov 10 |
| 2009 | no data | Oct 2 | no data | Oct 29 |
| 2008 | Apr 19 | Oct 23 | Mar 25 | Oct 23 |
"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.