N Las Vegas, NV: frost dates by year

Last spring and first fall frost at NOAA station USC00265705, 1951 to 2012, measured from daily minimum temperatures.

Elevation 1,898 ft, 36.235, -115.116. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 11	Nov 4
Earliest	Jan 8 (1998)	Oct 7 (1955)
Latest	May 3 (1955)	Dec 20 (2012)
Trend	18.1 days earlier per decade	9.0 days later per decade
Years with data	18	19

At 28°F (hard freeze) the median last spring date is Mar 17 and the median first fall date is Nov 20.

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
2012	Jan 14	Dec 20	none	Dec 20
2006	Jan 21	no data	none	no data
2004	no data	Nov 30	no data	Dec 1
1999	Feb 13	no data	Feb 12	no data
1998	Jan 8	Dec 6	none	Dec 22
1997	Jan 18	Dec 12	none	Dec 13
1996	no data	Dec 1	no data	Dec 19
1995	Jan 18	no data	none	no data
1994	Feb 21	Nov 15	Jan 9	Nov 20
1993	Jan 23	Nov 20	Jan 5	Nov 25
1992	Jan 23	Nov 26	none	Nov 26
1990	no data	Nov 28	no data	Nov 28
1960	Apr 25	Oct 31	Mar 17	Oct 31
1959	Apr 11	Oct 29	Mar 21	Nov 6
1958	Apr 5	Nov 2	Mar 10	Nov 18
1957	Apr 19	Nov 4	Mar 25	Nov 17
1956	Apr 7	Oct 25	Apr 4	Oct 25
1955	May 3	Oct 7	Apr 3	Nov 3
1954	Apr 2	Oct 25	Mar 18	Nov 7
1953	May 1	Oct 23	Apr 12	Oct 24
1952	Mar 28	Oct 26	Mar 17	Nov 25
1951	no data	Oct 14	no data	Oct 22

"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.