Elmo weather by month
What a typical year looks like in Elmo, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Clarinda, 24 km from Elmo; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 36.7 in931 mm
- Snow a year
- 23 in58 cm
- Last spring freeze
- Apr 24
- First fall freeze
- Oct 10
- Heating degree days
- 6,289
- Cooling degree days
- 965
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −9°−23° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Elmo in January
Highs average 33°0° and lows 12°−11°, with 0.79 in20 mm of precipitation and 7 in17 cm of snow in a typical January.
- Record high
- 68°20° (1939)
- Record low
- −31°−35° (1912)
- Heating degree days
- 1324
- Cooling degree days
- 0
Elmo in February
Highs average 38°3° and lows 16°−9°, with 1.2 in29 mm of precipitation and 6 in16 cm of snow in a typical February.
- Record high
- 80°27° (1930)
- Record low
- −29°−34° (1905)
- Heating degree days
- 1062
- Cooling degree days
- 0
Elmo in March
Highs average 51°10° and lows 28°−2°, with 2.2 in56 mm of precipitation and 2.7 in6.9 cm of snow in a typical March.
- Record high
- 94°34° (2026)
- Record low
- −24°−31° (1960)
- Heating degree days
- 803
- Cooling degree days
- 1
Elmo in April
Highs average 63°17° and lows 38°3°, with 3.3 in84 mm of precipitation and 0.9 in2.3 cm of snow in a typical April.
- Record high
- 96°36° (1902)
- Record low
- 6°−14° (1975)
- Heating degree days
- 444
- Cooling degree days
- 8
Elmo in May
Highs average 73°23° and lows 50°10°, with 5.6 in142 mm of precipitation in a typical May.
- Record high
- 105°41° (1934)
- Record low
- 21°−6° (1907)
- Heating degree days
- 169
- Cooling degree days
- 66
Elmo in June
Highs average 82°28° and lows 61°16°, with 5.3 in135 mm of precipitation in a typical June.
- Record high
- 105°41° (1933)
- Record low
- 36°2° (1946)
- Heating degree days
- 18
- Cooling degree days
- 215
Elmo in July
Highs average 86°30° and lows 64°18°, with 4.8 in121 mm of precipitation in a typical July.
- Record high
- 112°44° (1936)
- Record low
- 42°6° (1911)
- Heating degree days
- 3
- Cooling degree days
- 311
Elmo in August
Highs average 84°29° and lows 62°16°, with 4 in100 mm of precipitation in a typical August.
- Record high
- 114°46° (1934)
- Record low
- 36°2° (1946)
- Heating degree days
- 7
- Cooling degree days
- 249
Elmo in September
Highs average 78°26° and lows 52°11°, with 3.3 in84 mm of precipitation in a typical September.
- Record high
- 108°42° (1913)
- Record low
- 24°−4° (1984)
- Heating degree days
- 105
- Cooling degree days
- 101
Elmo in OctoberThis month
Highs average 66°19° and lows 39°4°, with 2.9 in72 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 95°35° (2024)
- Record low
- −1°−18° (1925)
- Heating degree days
- 400
- Cooling degree days
- 14
Elmo in November
Highs average 50°10° and lows 27°−3°, with 2 in50 mm of precipitation and 1.8 in4.6 cm of snow in a typical November.
- Record high
- 82°28° (1999)
- Record low
- −10°−23° (1964)
- Heating degree days
- 792
- Cooling degree days
- 0
Elmo in December
Highs average 38°3° and lows 17°−8°, with 1.4 in35 mm of precipitation and 4 in11 cm of snow in a typical December.
- Record high
- 72°22° (2021)
- Record low
- −27°−33° (1924)
- Heating degree days
- 1162
- Cooling degree days
- 0