McEwen weather by month
What a typical year looks like in McEwen, Tennessee: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at DICKSON, 22 km from McEwen; records cover 1900–2026.
The year at a glance
- Precipitation a year
- 54.1 in1373 mm
- Snow a year
- 2.5 in6.4 cm
- Last spring freeze
- Apr 12
- First fall freeze
- Oct 22
- Heating degree days
- 3,826
- Cooling degree days
- 1,328
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 10°−12° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
McEwen in January
Highs average 48°9° and lows 28°−2°, with 4.3 in110 mm of precipitation and 0.8 in2 cm of snow in a typical January.
- Record high
- 80°27° (1937)
- Record low
- −23°−31° (1985)
- Heating degree days
- 853
- Cooling degree days
- 0
McEwen in February
Highs average 52°11° and lows 30°−1°, with 4.9 in124 mm of precipitation and 0.6 in1.5 cm of snow in a typical February.
- Record high
- 82°28° (1996)
- Record low
- −14°−26° (1951)
- Heating degree days
- 663
- Cooling degree days
- 1
McEwen in March
Highs average 61°16° and lows 38°3°, with 5.4 in138 mm of precipitation and 0.5 in1.3 cm of snow in a typical March.
- Record high
- 93°34° (1929)
- Record low
- −1°−18° (1980)
- Heating degree days
- 489
- Cooling degree days
- 6
McEwen in April
Highs average 71°22° and lows 46°8°, with 4.9 in125 mm of precipitation in a typical April.
- Record high
- 95°35° (1934)
- Record low
- 16°−9° (2007)
- Heating degree days
- 223
- Cooling degree days
- 29
McEwen in May
Highs average 77°25° and lows 55°13°, with 5.8 in147 mm of precipitation in a typical May.
- Record high
- 98°37° (1941)
- Record low
- 29°−2° (1909)
- Heating degree days
- 70
- Cooling degree days
- 106
McEwen in June
Highs average 84°29° and lows 63°17°, with 4 in102 mm of precipitation in a typical June.
- Record high
- 109°43° (1936)
- Record low
- 38°3° (1917)
- Heating degree days
- 4
- Cooling degree days
- 259
McEwen in July
Highs average 87°31° and lows 67°19°, with 4.6 in117 mm of precipitation in a typical July.
- Record high
- 110°43° (1930)
- Record low
- 48°9° (2003)
- Heating degree days
- 0
- Cooling degree days
- 368
McEwen in August
Highs average 87°31° and lows 65°19°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 110°43° (1930)
- Record low
- 42°6° (1989)
- Heating degree days
- 1
- Cooling degree days
- 346
McEwen in September
Highs average 81°27° and lows 59°15°, with 3.5 in88 mm of precipitation in a typical September.
- Record high
- 108°42° (1954)
- Record low
- 32°0° (1942)
- Heating degree days
- 30
- Cooling degree days
- 178
McEwen in OctoberThis month
Highs average 71°22° and lows 47°8°, with 4 in103 mm of precipitation in a typical October.
- Record high
- 95°35° (1953)
- Record low
- 20°−7° (1921)
- Heating degree days
- 221
- Cooling degree days
- 33
McEwen in November
Highs average 60°15° and lows 37°3°, with 4 in101 mm of precipitation in a typical November.
- Record high
- 88°31° (1922)
- Record low
- −3°−19° (1950)
- Heating degree days
- 512
- Cooling degree days
- 2
McEwen in December
Highs average 50°10° and lows 31°−1°, with 5.1 in130 mm of precipitation and 0.6 in1.5 cm of snow in a typical December.
- Record high
- 78°26° (1951)
- Record low
- −13°−25° (1989)
- Heating degree days
- 760
- Cooling degree days
- 0