Baton Rouge Threshold Days by Year (USC00160555)

17 fixed thresholds counted per year at Baton Rouge (USC00160555): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Baton Rouge Thresholds

Baton Rouge: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1921 with 169.
Baton Rouge: days with a maximum temperature at or above 35 C (95 F) in 52 years, most in 1921 with 83.
Baton Rouge: days with a maximum temperature at or above 90 F (32.2 C) in 52 years, most in 1921 with 134.
Baton Rouge: nights with a minimum temperature at or above 20 C (68 F) in 51 years, most in 1927 with 148.
17 fixed thresholds have at least one qualifying day at Baton Rouge.

Days at or above 30 C (86 F)

52 years with a qualifying day

Days per year at Baton Rouge with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 169 in 1921.

Days at or above 30 C (86 F) per year at Baton Rouge
Year	Days	Decade average
1894	149	149.2
1895	148	149.2
1896	167	149.2
1897	132	149.2
1898	145	149.2
1899	154	149.2
1900	148	140.4
1901	123	140.4
1902	142	140.4
1903	123	140.4
1904	160	140.4
1905	153	140.4
1906	136	140.4
1907	129	140.4
1908	150	140.4
1909	140	140.4
1910	105	135.2
1911	151	135.2
1912	127	135.2
1913	124	135.2
1914	136	135.2
1915	155	135.2
1916	145	135.2
1917	119	135.2
1918	147	135.2
1919	143	135.2
1920	148	138
1921	169	138
1923	121	138
1924	149	138
1925	154	138
1926	135	138
1927	134	138
1928	117	138
1929	115	138
1930	108	131.6
1931	127	131.6
1932	120	131.6
1933	148	131.6
1934	122	131.6
1935	147	131.6
1936	132	131.6
1937	143	131.6
1938	138	131.6
1939	131	131.6
1940	103	126.3
1941	130	126.3
1942	129	126.3
1943	137	126.3
1944	131	126.3
1945	126	126.3
1946	128	126.3

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

First to last qualifying date each year at Baton Rouge
Year	First date	Last date
1894	1894-04-17	1894-12-08
1895	1895-04-29	1895-11-10
1896	1896-04-20	1896-11-12
1897	1897-03-20	1897-10-23
1898	1898-03-22	1898-10-10
1899	1899-03-27	1899-10-21
1900	1900-03-12	1900-11-22
1901	1901-04-30	1901-10-02
1902	1902-04-30	1902-10-03
1903	1903-05-18	1903-11-15
1904	1904-03-12	1904-10-25
1905	1905-03-05	1905-10-20
1906	1906-04-30	1906-10-09
1907	1907-03-13	1907-10-27
1908	1908-03-04	1908-11-12
1909	1909-03-02	1909-11-08
1910	1910-04-13	1910-11-15
1911	1911-03-09	1911-10-16
1912	1912-04-28	1912-10-22
1913	1913-04-18	1913-11-18
1914	1914-04-25	1914-10-22
1915	1915-04-14	1915-11-09
1916	1916-05-08	1916-10-15
1917	1917-02-20	1917-10-28
1918	1918-02-28	1918-10-21
1919	1919-04-22	1919-11-08
1920	1920-04-16	1920-10-21
1921	1921-03-14	1921-11-18
1923	1923-04-26	1923-10-03
1924	1924-03-29	1924-12-08
1925	1925-02-22	1925-10-16
1926	1926-05-23	1926-10-17
1927	1927-04-10	1927-10-28
1928	1928-05-02	1928-10-13
1929	1929-03-24	1929-09-30
1930	1930-04-21	1930-11-20
1931	1931-04-16	1931-10-26
1932	1932-04-19	1932-10-01
1933	1933-04-09	1933-10-29
1934	1934-04-18	1934-11-03
1935	1935-04-25	1935-11-11
1936	1936-04-13	1936-11-03
1937	1937-04-16	1937-10-09
1938	1938-04-28	1938-10-16
1939	1939-04-26	1939-10-27
1940	1940-03-12	1940-10-28
1941	1941-05-07	1941-10-24
1942	1942-04-26	1942-11-21
1943	1943-04-10	1943-10-20
1944	1944-04-19	1944-10-26
1945	1945-03-29	1945-11-09
1946	1946-03-14	1946-11-04

Every Fixed Threshold

Fixed thresholds at Baton Rouge
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	52	169	1921	128
35 C (95 F): Days	52	83	1921	14
40 C (104 F): Days	1	2	1909	2
90 F (32.2 C): Days	52	134	1921	74
100 F (37.8 C): Days	15	28	1921	1
110 F (43.3 C): Days	1	1	1909	1
0 C (32 F): Ice days (max	6	3	1940	3
0 C (32 F): Frost days (min	50	37	1908	11
-10 C (14 F): Days with min	3	3	1899	3
20 C (68 F): Tropical nights (min	51	148	1927	119
25 C (77 F): Days with min	40	13	1921	1
10 mm (0.39 in): Days with 10 mm or more rain	48	63	1926	48
25 mm (0.98 in): Days with 25 mm or more rain	48	29	1929	29
50 mm (1.97 in): Days with 50 mm or more rain	47	11	1915	8
100 mm (3.94 in): Days with 100 mm or more rain	15	3	1912	2
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1907	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	2	1895	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Baton Rouge 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).

Baton Rouge Threshold Days by Year (USC00160555)

Key Facts for Baton Rouge Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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