Mountain Grove weather by month
What a typical year looks like in Mountain Grove, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Mountain Grove 2 N, 2 km from Mountain Grove; records cover 1901–2026.
The year at a glance
- Precipitation a year
- 45.9 in1167 mm
- Snow a year
- 10 in26 cm
- Last spring freeze
- Apr 11
- First fall freeze
- Oct 25
- Heating degree days
- 4,738
- Cooling degree days
- 1,215
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 4°−16° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Mountain Grove in January
Highs average 41°5° and lows 22°−5°, with 2.8 in72 mm of precipitation and 4 in9 cm of snow in a typical January.
- Record high
- 78°26° (1943)
- Record low
- −20°−29° (1912)
- Heating degree days
- 1026
- Cooling degree days
- 0
Mountain Grove in February
Highs average 47°8° and lows 26°−3°, with 2.7 in68 mm of precipitation and 2.3 in5.8 cm of snow in a typical February.
- Record high
- 84°29° (2024)
- Record low
- −21°−29° (1905)
- Heating degree days
- 805
- Cooling degree days
- 0
Mountain Grove in March
Highs average 56°13° and lows 34°1°, with 4.1 in105 mm of precipitation and 1.8 in4.6 cm of snow in a typical March.
- Record high
- 92°33° (2026)
- Record low
- −7°−22° (1960)
- Heating degree days
- 622
- Cooling degree days
- 2
Mountain Grove in April
Highs average 66°19° and lows 44°7°, with 5.1 in128 mm of precipitation in a typical April.
- Record high
- 91°33° (1952)
- Record low
- 15°−9° (1920)
- Heating degree days
- 314
- Cooling degree days
- 17
Mountain Grove in May
Highs average 74°24° and lows 53°12°, with 5.4 in137 mm of precipitation in a typical May.
- Record high
- 97°36° (1934)
- Record low
- 28°−2° (1903)
- Heating degree days
- 115
- Cooling degree days
- 79
Mountain Grove in June
Highs average 82°28° and lows 62°17°, with 3.9 in100 mm of precipitation in a typical June.
- Record high
- 105°41° (1936)
- Record low
- 40°4° (1917)
- Heating degree days
- 11
- Cooling degree days
- 233
Mountain Grove in July
Highs average 87°31° and lows 67°19°, with 4.5 in115 mm of precipitation in a typical July.
- Record high
- 109°43° (1934)
- Record low
- 45°7° (1915)
- Heating degree days
- 1
- Cooling degree days
- 366
Mountain Grove in August
Highs average 87°30° and lows 65°18°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 110°43° (1934)
- Record low
- 39°4° (1915)
- Heating degree days
- 4
- Cooling degree days
- 338
Mountain Grove in September
Highs average 79°26° and lows 57°14°, with 4 in102 mm of precipitation in a typical September.
- Record high
- 104°40° (1947)
- Record low
- 27°−3° (1989)
- Heating degree days
- 55
- Cooling degree days
- 151
Mountain Grove in OctoberThis month
Highs average 68°20° and lows 46°8°, with 3.3 in85 mm of precipitation in a typical October.
- Record high
- 95°35° (1938)
- Record low
- 18°−8° (1917)
- Heating degree days
- 275
- Cooling degree days
- 27
Mountain Grove in November
Highs average 55°13° and lows 35°2°, with 3.9 in99 mm of precipitation and 0.2 in0.5 cm of snow in a typical November.
- Record high
- 90°32° (1937)
- Record low
- 2°−17° (1950)
- Heating degree days
- 597
- Cooling degree days
- 2
Mountain Grove in December
Highs average 45°7° and lows 27°−3°, with 2.7 in69 mm of precipitation and 2.4 in6.1 cm of snow in a typical December.
- Record high
- 77°25° (1951)
- Record low
- −19°−28° (1989)
- Heating degree days
- 913
- Cooling degree days
- 0