Grand Pass weather by month
What a typical year looks like in Grand Pass, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at MARSHALL, 21 km from Grand Pass; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 41.8 in1061 mm
- Snow a year
- 8 in21 cm
- Last spring freeze
- Apr 6
- First fall freeze
- Oct 23
- Heating degree days
- 5,264
- Cooling degree days
- 1,280
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −1°−18° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Grand Pass in January
Highs average 37°3° and lows 19°−7°, with 1.5 in37 mm of precipitation and 3 in8 cm of snow in a typical January.
- Record high
- 75°24° (1909)
- Record low
- −21°−29° (1930)
- Heating degree days
- 1151
- Cooling degree days
- 0
Grand Pass in February
Highs average 42°6° and lows 23°−5°, with 1.9 in48 mm of precipitation and 2.2 in5.6 cm of snow in a typical February.
- Record high
- 82°28° (1972)
- Record low
- −26°−32° (1905)
- Heating degree days
- 913
- Cooling degree days
- 0
Grand Pass in March
Highs average 54°12° and lows 32°0°, with 3 in76 mm of precipitation and 0.9 in2.3 cm of snow in a typical March.
- Record high
- 92°33° (1910)
- Record low
- −14°−26° (1960)
- Heating degree days
- 683
- Cooling degree days
- 3
Grand Pass in April
Highs average 65°18° and lows 43°6°, with 4.4 in112 mm of precipitation in a typical April.
- Record high
- 97°36° (1895)
- Record low
- 6°−14° (1920)
- Heating degree days
- 354
- Cooling degree days
- 16
Grand Pass in May
Highs average 75°24° and lows 54°12°, with 5.5 in139 mm of precipitation in a typical May.
- Record high
- 101°38° (1934)
- Record low
- 25°−4° (1907)
- Heating degree days
- 115
- Cooling degree days
- 98
Grand Pass in June
Highs average 84°29° and lows 64°18°, with 5.1 in130 mm of precipitation in a typical June.
- Record high
- 105°41° (1936)
- Record low
- 39°4° (1945)
- Heating degree days
- 9
- Cooling degree days
- 270
Grand Pass in July
Highs average 88°31° and lows 67°20°, with 4.6 in118 mm of precipitation in a typical July.
- Record high
- 112°44° (1936)
- Record low
- 46°8° (1915)
- Heating degree days
- 1
- Cooling degree days
- 387
Grand Pass in August
Highs average 86°30° and lows 65°18°, with 3.9 in99 mm of precipitation in a typical August.
- Record high
- 110°43° (1918)
- Record low
- 40°4° (1895)
- Heating degree days
- 3
- Cooling degree days
- 327
Grand Pass in September
Highs average 79°26° and lows 56°13°, with 4 in103 mm of precipitation in a typical September.
- Record high
- 105°41° (1925)
- Record low
- 28°−2° (1895)
- Heating degree days
- 66
- Cooling degree days
- 150
Grand Pass in OctoberThis month
Highs average 67°20° and lows 45°7°, with 3.2 in81 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 97°36° (1939)
- Record low
- 18°−8° (1925)
- Heating degree days
- 308
- Cooling degree days
- 28
Grand Pass in November
Highs average 53°12° and lows 33°1°, with 2.6 in67 mm of precipitation and 0.3 in0.8 cm of snow in a typical November.
- Record high
- 87°31° (1945)
- Record low
- −3°−19° (1991)
- Heating degree days
- 657
- Cooling degree days
- 1
Grand Pass in December
Highs average 41°5° and lows 24°−5°, with 2.1 in52 mm of precipitation and 1.6 in4.1 cm of snow in a typical December.
- Record high
- 74°23° (2021)
- Record low
- −24°−31° (1989)
- Heating degree days
- 1004
- Cooling degree days
- 0