Merriam Woods weather by month
What a typical year looks like in Merriam Woods, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at OZARK BEACH 2 NNE, 6 km from Merriam Woods; records cover 1946–2026.
The year at a glance
- Precipitation a year
- 45.7 in1160 mm
- Snow a year
- 7 in17 cm
- Last spring freeze
- Apr 9
- First fall freeze
- Oct 26
- Heating degree days
- 3,998
- Cooling degree days
- 1,543
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 9°−13° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Merriam Woods in January
Highs average 48°9° and lows 24°−4°, with 2.7 in68 mm of precipitation and 2.3 in5.8 cm of snow in a typical January.
- Record high
- 80°27° (1950)
- Record low
- −15°−26° (1977)
- Heating degree days
- 904
- Cooling degree days
- 0
Merriam Woods in February
Highs average 53°11° and lows 28°−2°, with 2.5 in64 mm of precipitation and 1.8 in4.6 cm of snow in a typical February.
- Record high
- 87°31° (1962)
- Record low
- −19°−28° (1951)
- Heating degree days
- 699
- Cooling degree days
- 0
Merriam Woods in March
Highs average 62°16° and lows 35°2°, with 4.2 in105 mm of precipitation and 1 in2.5 cm of snow in a typical March.
- Record high
- 96°36° (2026)
- Record low
- 4°−16° (2002)
- Heating degree days
- 519
- Cooling degree days
- 3
Merriam Woods in April
Highs average 72°22° and lows 44°7°, with 4.9 in123 mm of precipitation in a typical April.
- Record high
- 96°36° (1955)
- Record low
- 19°−7° (1957)
- Heating degree days
- 243
- Cooling degree days
- 25
Merriam Woods in May
Highs average 79°26° and lows 54°12°, with 5.3 in134 mm of precipitation in a typical May.
- Record high
- 103°39° (2012)
- Record low
- 29°−2° (1963)
- Heating degree days
- 70
- Cooling degree days
- 117
Merriam Woods in June
Highs average 88°31° and lows 63°17°, with 4.2 in108 mm of precipitation in a typical June.
- Record high
- 105°41° (1954)
- Record low
- 40°4° (1984)
- Heating degree days
- 4
- Cooling degree days
- 314
Merriam Woods in July
Highs average 92°33° and lows 67°19°, with 4.3 in108 mm of precipitation in a typical July.
- Record high
- 116°47° (1954)
- Record low
- 48°9° (1963)
- Heating degree days
- 0
- Cooling degree days
- 443
Merriam Woods in August
Highs average 91°33° and lows 65°18°, with 3.1 in79 mm of precipitation in a typical August.
- Record high
- 111°44° (2011)
- Record low
- 40°4° (1986)
- Heating degree days
- 1
- Cooling degree days
- 400
Merriam Woods in September
Highs average 84°29° and lows 58°14°, with 4.1 in105 mm of precipitation in a typical September.
- Record high
- 106°41° (1954)
- Record low
- 30°−1° (1963)
- Heating degree days
- 28
- Cooling degree days
- 201
Merriam Woods in OctoberThis month
Highs average 73°23° and lows 46°8°, with 3.7 in95 mm of precipitation in a typical October.
- Record high
- 96°36° (1953)
- Record low
- 21°−6° (2022)
- Heating degree days
- 215
- Cooling degree days
- 38
Merriam Woods in November
Highs average 61°16° and lows 35°2°, with 3.9 in100 mm of precipitation in a typical November.
- Record high
- 90°32° (1955)
- Record low
- 6°−14° (1986)
- Heating degree days
- 514
- Cooling degree days
- 2
Merriam Woods in December
Highs average 50°10° and lows 28°−2°, with 2.8 in72 mm of precipitation and 1.7 in4.3 cm of snow in a typical December.
- Record high
- 85°29° (2025)
- Record low
- −12°−24° (1989)
- Heating degree days
- 801
- Cooling degree days
- 0