St. Paul Island AP
| Normal | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Mean Minimum | 21.1 | 20.2 | 20.4 | 25.1 | 31.9 | 38.0 | 43.6 | 45.6 | 41.1 | 34.4 | 29.1 | 24.7 |
| Mean | 25.1 | 24.4 | 24.8 | 29.2 | 36.2 | 42.4 | 47.2 | 48.8 | 45.3 | 38.6 | 33.0 | 28.9 |
| Mean Maximimum | 29.1 | 28.5 | 29.3 | 33.4 | 40.4 | 46.8 | 50.8 | 52.1 | 49.6 | 42.8 | 36.9 | 33.0 |
| Mean Precipitation | 1.58 | 1.30 | 1.07 | 1.08 | 1.13 | 1.35 | 1.85 | 3.07 | 2.99 | 3.11 | 2.89 | 2.25 |
| Snowfall | 12.6 | 10.0 | 8.0 | 5.7 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 8.3 | 12.1 |
| CDD | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| HDD | 1237 | 1138 | 1245 | 1073 | 894 | 678 | 552 | 501 | 590 | 818 | 960 | 1121 |
| Temperature Extremes | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Highest Daily Maximum (°F) | 44 | 42 | 50 | 49 | 59 | 62 | 65 | 66 | 61 | 53 | 48 | 44 |
| Year | 1952 | 1996 | 1980 | 1993 | 1997 | 2000 | 2008 | 1987 | 1979 | 1978 | 1979 | 1970 |
| Lowest Daily Minimum (°F) | -14 | -16 | -19 | -8 | 8 | 16 | 28 | 29 | 18 | 12 | 4 | -3 |
| Year | 1976 | 1991 | 1971 | 1976 | 1971 | 1985 | 1961 | 1981 | 1971 | 1983 | 1988 | 1974 |
| Highest Mean (°F) | 34.26 | 34.05 | 33.16 | 36.13 | 40.61 | 48.47 | 52.5 | 52.39 | 48.07 | 43.31 | 37.95 | 34.63 |
| Year | 1979 | 1989 | 1967 | 1979 | 1979 | 2005 | 2005 | 2005 | 1979 | 1979 | 1978 | 2000 |
| Lowest Mean (°F) | 14.45 | 8.32 | 10.26 | 17.32 | 27.58 | 36.05 | 41.77 | 44.53 | 41.48 | 33.47 | 28.1 | 17.31 |
| Year | 2012 | 1954 | 2010 | 1976 | 1971 | 1971 | 1971 | 1971 | 2012 | 1955 | 1987 | 1999 |
| Precipitation Extremes | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Highest 1-Day Maximum Precipitation (in) | 1.38 | 1.35 | 1.04 | 1.12 | 0.77 | 1.28 | 1.54 | 1.47 | 1.5 | 1.93 | 1.46 | 1 |
| Year | 1964 | 1964 | 1973 | 1995 | 1966 | 1996 | 2001 | 1953 | 1949 | 1949 | 1993 | 1961 |
| Highest Total Precipitation (in) | 4.99 | 5.69 | 4.3 | 3.28 | 3.06 | 3.59 | 5.85 | 9.32 | 5.65 | 6.21 | 5.4 | 4.5 |
| Year | 1964 | 1964 | 1894 | 1893 | 1894 | 1958 | 1950 | 1953 | 2005 | 1987 | 1993 | 2000 |
| Lowest Total Precipitation (in) | 0.23 | 0.02 | 0.08 | 0.08 | 0.13 | 0.01 | 0.36 | 0.17 | 0.62 | 0.96 | 0.88 | 0.65 |
| Year | 2010 | 1984 | 1960 | 1992 | 2001 | 1995 | 1988 | 1977 | 1977 | 1977 | 1975 | 1959 |
| Snow Extremes | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Highest 1-Day Maximum Snow (in) | 16.4 | 13.5 | 10.4 | 10 | 3.4 | 1 | 0 | 0 | 1 | 9.3 | 11.8 | 11.4 |
| Year | 2002 | 1964 | 1973 | 1966 | 1962 | 1965 | 1949 | 1949 | 1965 | 1978 | 1964 | 2001 |
| Highest Total Snow (in) | 50.6 | 55.8 | 31.4 | 18.4 | 12.7 | 1.6 | 0 | 0 | 1 | 12.5 | 27.3 | 33.9 |
| Year | 2002 | 1964 | 1973 | 2006 | 1971 | 1965 | 1949 | 1949 | 1965 | 1978 | 1964 | 2006 |
| Lowest Total Snow (in) | 0.8 | 0.2 | 0.8 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.8 |
| Year | 1956 | 1984 | 1960 | 1958 | 2004 | 1950 | 1949 | 1949 | 1949 | 1957 | 1951 | 1958 |