| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 17.6 | -1.5 | 56 | -37 | 0.5 | 7.9 |
| February | 22.5 | 2.1 | 58 | -39 | 0.6 | 6.2 |
| March | 35.2 | 16.3 | 76 | -23 | 1.1 | 7.3 |
| April | 53.5 | 30.4 | 92 | 1 | 1.5 | 3.1 |
| May | 68.3 | 43.3 | 97 | 19 | 3.2 | 0.0 |
| June | 77.7 | 55.2 | 101 | 35 | 4.4 | 0.0 |
| July | 81.5 | 58.6 | 107 | 41 | 3.5 | 0.0 |
| August | 80.6 | 55.8 | 105 | 36 | 2.7 | 0.0 |
| September | 72.1 | 46.6 | 98 | 22 | 2.8 | 0.0 |
| October | 56.2 | 33.6 | 93 | 8 | 2.4 | 0.6 |
| November | 38.6 | 19.6 | 76 | -33 | 0.8 | 3.9 |
| December | 24.0 | 7.2 | 58 | -34 | 0.8 | 8.2 |
| Entire year | 52.1 | 30.4 | 107 | -39 | 24.5 | 39.0 |
|
More Casselton Weather Records
1984–2024
|
||
|---|---|---|
| Highest daily low | 83 °F | July 6, 1988 |
| Lowest daily high | -22 °F | January 29, 2004 |
| Greatest daily range (Difference of high and low) |
58 °F | April 29, 2004 |
| Greatest difference in daily high over two conscutive days |
52 °F | Feb 27–28, 2024 |
| Most daily precipitation | 5.8 inches | July 16, 1993 |
| Most monthly precipitation | 9.9 inches | June 2013 |
| Most yearly precipitation | 33.5 inches | 2000 |
| Most yearly days with precipitation | 115 | 2019 |
| Earliest snow in season | October 4 | 2012 |
| Latest snow in season | May 12 | 1997 |
| Most daily snow | 21.0 inches | January 18, 1996 |
| Most monthly snow | 34.9 inches | December 2022 |
| Most yearly snow | 106.3 inches | 2019 |
| Most snow in a winter | 88.0 inches | 2010–2011 |
| Earliest freeze | September 9 | 2020 |
| Earliest day ≥ 80 °F | April 6 | 1991 |
| Earliest day ≥ 90 °F | April 19 | 1987 |
| Earliest day ≥ 100 °F | June 5 | 2021 |
| Latest freeze | May 28 | 2021 |
| Latest day ≥ 80 °F | October 27 | 1990 |
| Latest day ≥ 90 °F | October 12 | 2015 |
| Latest day ≥ 100 °F | August 29 | 1984 |
| Most days in a year < 0 °F | 77 | 1989 |
| Most days in a year < 32 °F | 197 | 2018 |
| Most days in a year ≥ 80 °F | 108 | 1988 |
| Most days in a year ≥ 90 °F | 52 | 1988 |
| Most days in a year ≥ 100 °F | 5 | 1988 |
|
Casselton Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 10 days | May 10–19, 2015 |
| Without precipitation | 54 days | Oct 19 – Dec 11, 1990 |
| With snow | 5 days | Dec 13–17, 2022 |
| High temperature at or below freezing |
63 days | Jan 9 – Mar 12, 2019 |
| High temperature ≥ 80 °F | 39 days | Jun 28 – Aug 5, 1989 |
| High temperature ≥ 90 °F | 12 days | Jun 18–29, 1988 |
| Years | Station | Coordinates |
|---|---|---|
| 1984–2024 | Casselton Agronomy Farm | location |