St. Petersburg Threshold Days by Year (RSM00026063)
13 fixed thresholds counted per year at St. Petersburg (RSM00026063): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for St. Petersburg Thresholds
- St. Petersburg: days with 10 mm (0.39 in) or more of precipitation in 145 years, most in 2017 with 28.
- St. Petersburg: nights with a minimum temperature at or below 0 C (32 F) in 138 years, most in 1941 with 206.
- St. Petersburg: nights with a minimum temperature at or below -10 C (14 F) in 138 years, most in 1942 with 97.
- St. Petersburg: days with a maximum temperature at or below 0 C (32 F) in 136 years, most in 1941 with 139.
- 13 fixed thresholds have at least one qualifying day at St. Petersburg.
Days at or above 30 C (86 F)
62 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1885 | 6 | 3.5 |
| 1886 | 1 | 3.5 |
| 1893 | 2 | 1.7 |
| 1896 | 2 | 1.7 |
| 1898 | 1 | 1.7 |
| 1901 | 1 | 1 |
| 1905 | 1 | 1 |
| 1910 | 1 | 3.6 |
| 1911 | 1 | 3.6 |
| 1912 | 8 | 3.6 |
| 1914 | 9 | 3.6 |
| 1916 | 1 | 3.6 |
| 1917 | 4 | 3.6 |
| 1918 | 1 | 3.6 |
| 1920 | 3 | 1.7 |
| 1926 | 1 | 1.7 |
| 1927 | 1 | 1.7 |
| 1932 | 7 | 5.2 |
| 1933 | 2 | 5.2 |
| 1936 | 8 | 5.2 |
| 1937 | 1 | 5.2 |
| 1938 | 8 | 5.2 |
| 1940 | 3 | 3.3 |
| 1941 | 6 | 3.3 |
| 1948 | 1 | 3.3 |
| 1954 | 1 | 1.2 |
| 1956 | 1 | 1.2 |
| 1957 | 1 | 1.2 |
| 1958 | 1 | 1.2 |
| 1959 | 2 | 1.2 |
| 1960 | 4 | 2.5 |
| 1961 | 1 | 2.5 |
| 1963 | 4 | 2.5 |
| 1967 | 1 | 2.5 |
| 1970 | 1 | 5.5 |
| 1972 | 17 | 5.5 |
| 1973 | 2 | 5.5 |
| 1977 | 2 | 5.5 |
| 1980 | 1 | 2 |
| 1984 | 1 | 2 |
| 1985 | 1 | 2 |
| 1988 | 4 | 2 |
| 1989 | 3 | 2 |
| 1992 | 3 | 3.8 |
| 1994 | 1 | 3.8 |
| 1995 | 3 | 3.8 |
| 1998 | 4 | 3.8 |
| 1999 | 8 | 3.8 |
| 2000 | 1 | 3.8 |
| 2001 | 4 | 3.8 |
| 2002 | 2 | 3.8 |
| 2003 | 6 | 3.8 |
| 2006 | 6 | 3.8 |
| 2007 | 4 | 3.8 |
| 2010 | 20 | 7.7 |
| 2011 | 9 | 7.7 |
| 2012 | 2 | 7.7 |
| 2013 | 4 | 7.7 |
| 2014 | 11 | 7.7 |
| 2016 | 1 | 7.7 |
| 2018 | 7 | 7.7 |
| 2025 | 4 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1885 | 1885-07-01 | 1885-07-24 |
| 1886 | 1886-07-16 | 1886-07-16 |
| 1893 | 1893-07-31 | 1893-08-01 |
| 1896 | 1896-08-02 | 1896-08-03 |
| 1898 | 1898-08-10 | 1898-08-10 |
| 1901 | 1901-07-29 | 1901-07-29 |
| 1905 | 1905-06-18 | 1905-06-18 |
| 1910 | 1910-06-15 | 1910-06-15 |
| 1911 | 1911-08-07 | 1911-08-07 |
| 1912 | 1912-08-02 | 1912-08-10 |
| 1914 | 1914-06-24 | 1914-07-25 |
| 1916 | 1916-06-11 | 1916-06-11 |
| 1917 | 1917-06-21 | 1917-06-30 |
| 1918 | 1918-07-04 | 1918-07-04 |
| 1920 | 1920-07-03 | 1920-07-05 |
| 1926 | 1926-06-27 | 1926-06-27 |
| 1927 | 1927-07-18 | 1927-07-18 |
| 1932 | 1932-07-25 | 1932-08-09 |
| 1933 | 1933-07-09 | 1933-07-12 |
| 1936 | 1936-07-14 | 1936-08-03 |
| 1937 | 1937-06-30 | 1937-06-30 |
| 1938 | 1938-07-14 | 1938-07-29 |
| 1940 | 1940-06-26 | 1940-07-06 |
| 1941 | 1941-07-05 | 1941-07-14 |
| 1948 | 1948-06-01 | 1948-06-01 |
| 1954 | 1954-06-22 | 1954-06-22 |
| 1956 | 1956-06-09 | 1956-06-09 |
| 1957 | 1957-07-16 | 1957-07-16 |
| 1958 | 1958-05-27 | 1958-05-27 |
| 1959 | 1959-07-13 | 1959-07-14 |
| 1960 | 1960-07-18 | 1960-07-28 |
| 1961 | 1961-08-01 | 1961-08-01 |
| 1963 | 1963-07-25 | 1963-08-03 |
| 1967 | 1967-08-03 | 1967-08-03 |
| 1970 | 1970-07-19 | 1970-07-19 |
| 1972 | 1972-06-14 | 1972-08-23 |
| 1973 | 1973-07-05 | 1973-08-07 |
| 1977 | 1977-06-15 | 1977-06-16 |
| 1980 | 1980-06-10 | 1980-06-10 |
| 1984 | 1984-05-17 | 1984-05-17 |
| 1985 | 1985-08-10 | 1985-08-10 |
| 1988 | 1988-06-28 | 1988-07-18 |
| 1989 | 1989-06-08 | 1989-07-09 |
| 1992 | 1992-07-13 | 1992-09-01 |
| 1994 | 1994-07-30 | 1994-07-30 |
| 1995 | 1995-06-13 | 1995-06-15 |
| 1998 | 1998-06-11 | 1998-07-11 |
| 1999 | 1999-06-24 | 1999-07-16 |
| 2000 | 2000-06-23 | 2000-06-23 |
| 2001 | 2001-07-16 | 2001-07-19 |
| 2002 | 2002-07-05 | 2002-07-12 |
| 2003 | 2003-07-15 | 2003-07-31 |
| 2006 | 2006-06-20 | 2006-07-10 |
| 2007 | 2007-05-29 | 2007-08-16 |
| 2010 | 2010-07-06 | 2010-08-14 |
| 2011 | 2011-07-01 | 2011-07-28 |
| 2012 | 2012-07-29 | 2012-07-30 |
| 2013 | 2013-06-25 | 2013-06-29 |
| 2014 | 2014-05-19 | 2014-08-07 |
| 2016 | 2016-07-03 | 2016-07-03 |
| 2018 | 2018-07-15 | 2018-08-10 |
| 2025 | 2025-07-13 | 2025-07-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 62 | 20 | 2010 | 4 |
| 35 C (95 F): Days | 1 | 2 | 2010 | 2 |
| 90 F (32.2 C): Days | 19 | 9 | 2010 | 3 |
| 0 C (32 F): Ice days (max | 136 | 139 | 1941 | 13 |
| 0 C (32 F): Frost days (min | 138 | 206 | 1941 | 20 |
| -10 C (14 F): Days with min | 138 | 97 | 1942 | 2 |
| -20 C (-4 F): Days with min | 125 | 38 | 1942 | 2 |
| -30 C (-22 F): Days with min | 16 | 7 | 1893 | 7 |
| 20 C (68 F): Tropical nights (min | 41 | 21 | 2010 | 14 |
| 25 C (77 F): Days with min | 1 | 1 | 2010 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 145 | 28 | 2017 | 14 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 107 | 6 | 1935 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 14 | 3 | 1916 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.
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).