Las Vegas Threshold Days by Year (USC00264429)

16 fixed thresholds counted per year at Las Vegas (USC00264429): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Las Vegas Thresholds

Las Vegas: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1898 with 86.
Las Vegas: nights with a minimum temperature at or above 20 C (68 F) in 39 years, most in 1931 with 69.
Las Vegas: nights with a minimum temperature at or above 25 C (77 F) in 35 years, most in 1931 with 14.
Las Vegas: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1909 with 9.
16 fixed thresholds have at least one qualifying day at Las Vegas.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Las Vegas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 201 in 1934.

Days at or above 30 C (86 F) per year at Las Vegas
Year	Days	Decade average
1908	139	139
1909	139	139
1913	149	157.8
1914	159	157.8
1915	165	157.8
1916	162	157.8
1917	157	157.8
1919	155	157.8
1920	150	155.8
1921	151	155.8
1922	175	155.8
1925	133	155.8
1926	170	155.8
1931	187	172.6
1932	168	172.6
1934	201	172.6
1935	169	172.6
1936	168	172.6
1937	177	172.6
1938	153	172.6
1939	158	172.6
1940	182	166
1941	144	166
1942	166	166
1943	183	166
1944	175	166
1945	146	166
1946	163	166
1947	165	166
1948	162	166
1949	174	166
1950	176	151
1951	128	151
1952	149	151

For each year, a bar from the first to the last day at Las Vegas meeting 30 C (86 F).

First to last qualifying date each year at Las Vegas
Year	First date	Last date
1908	1908-03-15	1908-09-19
1909	1909-05-02	1909-10-25
1913	1913-03-30	1913-10-25
1914	1914-03-15	1914-10-20
1915	1915-03-23	1915-11-05
1916	1916-03-09	1916-10-18
1917	1917-04-06	1917-11-04
1919	1919-03-29	1919-09-14
1920	1920-04-26	1920-10-08
1921	1921-02-25	1921-11-02
1922	1922-04-20	1922-10-22
1925	1925-03-21	1925-10-03
1926	1926-03-02	1926-10-29
1931	1931-03-18	1931-11-09
1932	1932-03-29	1932-10-16
1934	1934-03-05	1934-11-06
1935	1935-03-15	1935-10-13
1936	1936-03-09	1936-10-14
1937	1937-04-10	1937-10-30
1938	1938-04-11	1938-10-29
1939	1939-03-18	1939-10-22
1940	1940-03-20	1940-10-23
1941	1941-04-24	1941-10-18
1942	1942-03-30	1942-10-23
1943	1943-03-25	1943-10-26
1944	1944-04-01	1944-10-29
1945	1945-04-17	1945-10-19
1946	1946-04-11	1946-10-15
1947	1947-02-24	1947-10-20
1948	1948-04-15	1948-10-25
1949	1949-04-05	1949-11-26
1950	1950-04-16	1950-11-06
1951	1951-03-25	1951-10-20
1952	1952-04-02	1952-10-31

Every Fixed Threshold

Fixed thresholds at Las Vegas
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	201	1934	149
35 C (95 F): Days	34	138	1943	95
40 C (104 F): Days	34	68	1937	42
45 C (113 F): Days	10	20	1931	1
90 F (32.2 C): Days	34	175	1934	123
100 F (37.8 C): Days	34	100	1943	69
110 F (43.3 C): Days	28	33	1931	1
0 C (32 F): Ice days (max	2	2	1937	2
0 C (32 F): Frost days (min	39	86	1898	44
-10 C (14 F): Days with min	9	6	1950	1
20 C (68 F): Tropical nights (min	39	69	1931	43
25 C (77 F): Days with min	35	14	1931	5
10 mm (0.39 in): Days with 10 mm or more rain	35	9	1909	5
25 mm (0.98 in): Days with 25 mm or more rain	17	2	1908	1
50 mm (1.97 in): Days with 50 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	1	1915	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Las Vegas threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Las Vegas Threshold Days by Year (USC00264429)

Key Facts for Las Vegas Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related