Jacksonville Threshold Days by Year (USC00354216)
15 fixed thresholds counted per year at Jacksonville (USC00354216): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Jacksonville Thresholds
- Jacksonville: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1924 with 87.
- Jacksonville: days with a maximum temperature at or above 90 F (32.2 C) in 54 years, most in 1926 with 58.
- Jacksonville: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1911 with 116.
- Jacksonville: days with a maximum temperature at or above 35 C (95 F) in 53 years, most in 1908 with 34.
- 15 fixed thresholds have at least one qualifying day at Jacksonville.
Days at or above 30 C (86 F)
54 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1893 | 18 | 40.6 |
| 1894 | 36 | 40.6 |
| 1895 | 40 | 40.6 |
| 1896 | 46 | 40.6 |
| 1897 | 44 | 40.6 |
| 1898 | 50 | 40.6 |
| 1899 | 50 | 40.6 |
| 1900 | 39 | 59.2 |
| 1901 | 47 | 59.2 |
| 1902 | 53 | 59.2 |
| 1903 | 46 | 59.2 |
| 1904 | 77 | 59.2 |
| 1905 | 63 | 59.2 |
| 1906 | 76 | 59.2 |
| 1907 | 56 | 59.2 |
| 1908 | 76 | 59.2 |
| 1909 | 59 | 59.2 |
| 1910 | 77 | 59.4 |
| 1911 | 53 | 59.4 |
| 1912 | 41 | 59.4 |
| 1913 | 39 | 59.4 |
| 1914 | 68 | 59.4 |
| 1915 | 55 | 59.4 |
| 1916 | 48 | 59.4 |
| 1917 | 75 | 59.4 |
| 1918 | 72 | 59.4 |
| 1919 | 66 | 59.4 |
| 1920 | 58 | 68.1 |
| 1921 | 57 | 68.1 |
| 1922 | 74 | 68.1 |
| 1923 | 62 | 68.1 |
| 1924 | 87 | 68.1 |
| 1925 | 71 | 68.1 |
| 1926 | 76 | 68.1 |
| 1927 | 54 | 68.1 |
| 1928 | 69 | 68.1 |
| 1929 | 73 | 68.1 |
| 1930 | 52 | 60.3 |
| 1931 | 71 | 60.3 |
| 1932 | 64 | 60.3 |
| 1933 | 62 | 60.3 |
| 1934 | 73 | 60.3 |
| 1935 | 51 | 60.3 |
| 1936 | 52 | 60.3 |
| 1937 | 42 | 60.3 |
| 1938 | 72 | 60.3 |
| 1939 | 64 | 60.3 |
| 1940 | 65 | 54.4 |
| 1941 | 43 | 54.4 |
| 1942 | 53 | 54.4 |
| 1943 | 53 | 54.4 |
| 1944 | 54 | 54.4 |
| 1945 | 73 | 54.4 |
| 1947 | 40 | 54.4 |
| Year | First date | Last date |
|---|---|---|
| 1893 | 1893-06-04 | 1893-09-01 |
| 1894 | 1894-07-01 | 1894-09-10 |
| 1895 | 1895-05-12 | 1895-09-28 |
| 1896 | 1896-06-24 | 1896-09-06 |
| 1897 | 1897-05-15 | 1897-09-25 |
| 1898 | 1898-05-25 | 1898-09-18 |
| 1899 | 1899-06-15 | 1899-10-04 |
| 1900 | 1900-06-06 | 1900-09-22 |
| 1901 | 1901-06-17 | 1901-09-19 |
| 1902 | 1902-05-25 | 1902-10-03 |
| 1903 | 1903-05-05 | 1903-09-26 |
| 1904 | 1904-04-08 | 1904-10-04 |
| 1905 | 1905-06-11 | 1905-09-23 |
| 1906 | 1906-04-20 | 1906-10-08 |
| 1907 | 1907-05-29 | 1907-10-05 |
| 1908 | 1908-06-10 | 1908-10-08 |
| 1909 | 1909-05-02 | 1909-09-23 |
| 1910 | 1910-04-17 | 1910-10-08 |
| 1911 | 1911-05-30 | 1911-09-01 |
| 1912 | 1912-05-13 | 1912-09-26 |
| 1913 | 1913-05-31 | 1913-09-20 |
| 1914 | 1914-05-20 | 1914-09-23 |
| 1915 | 1915-06-05 | 1915-09-21 |
| 1916 | 1916-06-07 | 1916-09-29 |
| 1917 | 1917-06-07 | 1917-10-08 |
| 1918 | 1918-06-03 | 1918-09-27 |
| 1919 | 1919-05-20 | 1919-09-25 |
| 1920 | 1920-06-03 | 1920-09-29 |
| 1921 | 1921-06-21 | 1921-10-08 |
| 1922 | 1922-05-16 | 1922-09-19 |
| 1923 | 1923-06-05 | 1923-09-19 |
| 1924 | 1924-05-08 | 1924-09-19 |
| 1925 | 1925-05-04 | 1925-09-24 |
| 1926 | 1926-04-14 | 1926-09-11 |
| 1927 | 1927-05-14 | 1927-09-18 |
| 1928 | 1928-05-19 | 1928-09-22 |
| 1929 | 1929-05-18 | 1929-09-18 |
| 1930 | 1930-06-06 | 1930-09-20 |
| 1931 | 1931-04-21 | 1931-10-02 |
| 1932 | 1932-06-09 | 1932-10-04 |
| 1933 | 1933-05-28 | 1933-10-06 |
| 1934 | 1934-04-18 | 1934-09-29 |
| 1935 | 1935-05-21 | 1935-09-09 |
| 1936 | 1936-05-09 | 1936-09-20 |
| 1937 | 1937-06-01 | 1937-09-15 |
| 1938 | 1938-05-22 | 1938-09-17 |
| 1939 | 1939-05-08 | 1939-09-22 |
| 1940 | 1940-05-09 | 1940-08-31 |
| 1941 | 1941-05-21 | 1941-08-21 |
| 1942 | 1942-06-13 | 1942-09-25 |
| 1943 | 1943-05-24 | 1943-09-24 |
| 1944 | 1944-05-04 | 1944-09-24 |
| 1945 | 1945-05-01 | 1945-09-14 |
| 1947 | 1947-05-05 | 1947-09-26 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 54 | 87 | 1924 | 40 |
| 35 C (95 F): Days | 53 | 34 | 1908 | 11 |
| 40 C (104 F): Days | 18 | 4 | 1908 | 2 |
| 90 F (32.2 C): Days | 54 | 58 | 1926 | 14 |
| 100 F (37.8 C): Days | 41 | 12 | 1908 | 6 |
| 0 C (32 F): Ice days (max | 35 | 16 | 1937 | 5 |
| 0 C (32 F): Frost days (min | 54 | 116 | 1911 | 72 |
| -10 C (14 F): Days with min | 20 | 7 | 1937 | 1 |
| 20 C (68 F): Tropical nights (min | 21 | 7 | 1907 | 1 |
| 25 C (77 F): Days with min | 2 | 3 | 1907 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 43 | 37 | 1909 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 42 | 13 | 1937 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 15 | 2 | 1903 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 1 | 1 | 1937 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1937 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.
Download the Data
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 . Last revised (2025-12-31).