Harviell weather by month
What a typical year looks like in Harviell, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Poplar Bluff Municipal Airport, 19 km from Harviell; records cover 1997–2026.
The year at a glance
- Precipitation a year
- 50.8 in1289 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 29
- First fall freeze
- Oct 31
- Heating degree days
- 3,934
- Cooling degree days
- 1,628
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 12°−11° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Harviell in January
Highs average 45°7° and lows 28°−2°, with 3.5 in88 mm of precipitation in a typical January.
- Record high
- 74°23° (2013)
- Record low
- −3°−19° (2024)
- Heating degree days
- 894
- Cooling degree days
- 0
Harviell in February
Highs average 50°10° and lows 31°0°, with 3.7 in93 mm of precipitation in a typical February.
- Record high
- 81°27° (2024)
- Record low
- −6°−21° (2015)
- Heating degree days
- 689
- Cooling degree days
- 0
Harviell in March
Highs average 59°15° and lows 39°4°, with 4.9 in124 mm of precipitation in a typical March.
- Record high
- 87°31° (2026)
- Record low
- 4°−16° (2014)
- Heating degree days
- 508
- Cooling degree days
- 5
Harviell in April
Highs average 70°21° and lows 48°9°, with 5.6 in143 mm of precipitation in a typical April.
- Record high
- 92°33° (2006)
- Record low
- 25°−4° (2007)
- Heating degree days
- 213
- Cooling degree days
- 33
Harviell in May
Highs average 79°26° and lows 58°14°, with 5.1 in129 mm of precipitation in a typical May.
- Record high
- 96°36° (2012)
- Record low
- 36°2° (2005)
- Heating degree days
- 51
- Cooling degree days
- 151
Harviell in June
Highs average 87°31° and lows 66°19°, with 3.7 in95 mm of precipitation in a typical June.
- Record high
- 105°41° (2012)
- Record low
- 50°10° (1998)
- Heating degree days
- 1
- Cooling degree days
- 351
Harviell in July
Highs average 89°32° and lows 70°21°, with 3.7 in95 mm of precipitation in a typical July.
- Record high
- 105°41° (2012)
- Record low
- 54°12° (2000)
- Heating degree days
- 0
- Cooling degree days
- 456
Harviell in August
Highs average 88°31° and lows 67°20°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 104°40° (2011)
- Record low
- 50°10° (2004)
- Heating degree days
- 0
- Cooling degree days
- 395
Harviell in September
Highs average 82°28° and lows 59°15°, with 4 in101 mm of precipitation in a typical September.
- Record high
- 103°39° (2026)
- Record low
- 38°3° (1999)
- Heating degree days
- 25
- Cooling degree days
- 193
Harviell in OctoberThis month
Highs average 72°22° and lows 47°8°, with 4 in101 mm of precipitation in a typical October.
- Record high
- 93°34° (2019)
- Record low
- 24°−4° (2022)
- Heating degree days
- 213
- Cooling degree days
- 42
Harviell in November
Highs average 58°14° and lows 37°3°, with 4.9 in125 mm of precipitation in a typical November.
- Record high
- 84°29° (2016)
- Record low
- 14°−10° (2014)
- Heating degree days
- 531
- Cooling degree days
- 2
Harviell in December
Highs average 47°9° and lows 30°−1°, with 4.3 in108 mm of precipitation in a typical December.
- Record high
- 78°26° (2021)
- Record low
- −4°−20° (2004)
- Heating degree days
- 809
- Cooling degree days
- 0