| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 22.7 | 3.3 | 64 | -40 | 0.5 | 7.0 |
| February | 27.4 | 7.1 | 70 | -38 | 0.8 | 7.7 |
| March | 39.5 | 19.3 | 87 | -24 | 1.4 | 6.5 |
| April | 54.2 | 31.6 | 94 | -2 | 2.7 | 4.6 |
| May | 66.9 | 44.8 | 106 | 16 | 4.1 | 0.1 |
| June | 76.7 | 56.1 | 105 | 29 | 4.5 | 0.0 |
| July | 81.3 | 60.1 | 112 | 35 | 3.8 | 0.0 |
| August | 79.0 | 57.1 | 108 | 32 | 3.5 | 0.0 |
| September | 72.2 | 47.9 | 104 | 15 | 3.1 | 0.0 |
| October | 58.0 | 34.2 | 94 | -12 | 2.3 | 1.5 |
| November | 41.2 | 21.1 | 79 | -20 | 1.0 | 5.8 |
| December | 27.3 | 9.4 | 65 | -35 | 0.8 | 8.3 |
| Entire year | 53.8 | 32.8 | 112 | -40 | 27.9 | 40.7 |
|
More Flandreau Weather Records
1893–2024
|
||
|---|---|---|
| Highest daily low | 80 °F | August 15, 1937 |
| Lowest daily high | -18 °F | January 15, 1972 |
| Greatest daily range (Difference of high and low) |
63 °F | April 3, 1982 |
| Greatest difference in daily high over two conscutive days |
46 °F | Feb 2–3, 1970 |
| Most daily precipitation | 7.2 inches | May 31, 2004 |
| Most monthly precipitation | 14.3 inches | May 2004 |
| Most yearly precipitation | 43.1 inches | 2019 |
| Most yearly days with precipitation | 121 | 2019 |
| Earliest snow in season | September 25 | 1912 |
| Latest snow in season | May 15 | 1907 |
| Most daily snow | 16.0 inches | March 31, 1896 |
| Most monthly snow | 36.2 inches | March 1951 |
| Most yearly snow | 80.0 inches | 2019 |
| Most snow in a winter | 76.8 inches | 2018–2019 |
| Greatest snow accumulation | 53.0 inches | March 1, 1969 |
| Earliest freeze | September 3 | 1974 |
| Earliest day ≥ 80 °F | March 17 | 1894 |
| Earliest day ≥ 90 °F | April 15 | 1898 |
| Earliest day ≥ 100 °F | May 17 | 1934 |
| Latest freeze | June 21 | 1902 |
| Latest day ≥ 80 °F | October 30 | 1950 |
| Latest day ≥ 90 °F | October 15 | 1958 |
| Latest day ≥ 100 °F | September 19 | 1895 |
| Most days in a year < 0 °F | 63 | 1893 |
| Most days in a year < 32 °F | 203 | 2013 |
| Most days in a year ≥ 80 °F | 118 | 1894 |
| Most days in a year ≥ 90 °F | 64 | 1894 |
| Most days in a year ≥ 100 °F | 18 | 1936 |
| Most days in a year ≥ 110 °F | 1 | 1940 |
|
Flandreau Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 10 days | Apr 27 – May 6, 1942 |
| Without precipitation | 69 days | Dec 8, 1989 – Feb 14, 1990 |
| With snow | 7 days | Nov 14–20, 1947 |
| High temperature at or below freezing |
66 days | Dec 19, 1977 – Feb 22, 1978 |
| High temperature ≥ 80 °F | 61 days | Jul 2 – Aug 31, 1959 |
| High temperature ≥ 90 °F | 18 days | Jul 2–19, 1936 |
| High temperature ≥ 100 °F | 11 days | Jul 9–19, 1936 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Flandreau | location |