Maryville weather by month
What a typical year looks like in Maryville, Tennessee: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Knoxville Airport, 8 km from Maryville; records cover 1871–2026.
The year at a glance
- Precipitation a year
- 51.9 in1319 mm
- Snow a year
- 5 in12 cm
- Last spring freeze
- Mar 31
- First fall freeze
- Nov 2
- Heating degree days
- 3,529
- Cooling degree days
- 1,572
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 15°−9° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Maryville in January
Highs average 48°9° and lows 30°−1°, with 4.8 in121 mm of precipitation and 1.7 in4.3 cm of snow in a typical January.
- Record high
- 77°25° (1950)
- Record low
- −24°−31° (1985)
- Heating degree days
- 803
- Cooling degree days
- 0
Maryville in February
Highs average 53°12° and lows 33°1°, with 4.8 in122 mm of precipitation and 1.4 in3.6 cm of snow in a typical February.
- Record high
- 83°28° (1977)
- Record low
- −10°−23° (1899)
- Heating degree days
- 618
- Cooling degree days
- 0
Maryville in March
Highs average 61°16° and lows 40°4°, with 4.9 in124 mm of precipitation and 0.9 in2.3 cm of snow in a typical March.
- Record high
- 88°31° (1929)
- Record low
- 1°−17° (1980)
- Heating degree days
- 452
- Cooling degree days
- 5
Maryville in April
Highs average 71°22° and lows 48°9°, with 4.7 in120 mm of precipitation in a typical April.
- Record high
- 93°34° (1925)
- Record low
- 22°−6° (1987)
- Heating degree days
- 198
- Cooling degree days
- 36
Maryville in May
Highs average 79°26° and lows 57°14°, with 4.1 in105 mm of precipitation in a typical May.
- Record high
- 96°36° (1941)
- Record low
- 32°0° (1986)
- Heating degree days
- 53
- Cooling degree days
- 143
Maryville in June
Highs average 86°30° and lows 65°18°, with 4.2 in108 mm of precipitation in a typical June.
- Record high
- 105°41° (2012)
- Record low
- 42°6° (1903)
- Heating degree days
- 2
- Cooling degree days
- 311
Maryville in July
Highs average 88°31° and lows 69°20°, with 5.3 in133 mm of precipitation in a typical July.
- Record high
- 105°41° (2012)
- Record low
- 49°9° (1988)
- Heating degree days
- 0
- Cooling degree days
- 420
Maryville in August
Highs average 88°31° and lows 68°20°, with 3.6 in92 mm of precipitation in a typical August.
- Record high
- 102°39° (1948)
- Record low
- 49°9° (1946)
- Heating degree days
- 0
- Cooling degree days
- 392
Maryville in September
Highs average 83°28° and lows 61°16°, with 3.5 in89 mm of precipitation in a typical September.
- Record high
- 103°39° (1954)
- Record low
- 35°2° (1888)
- Heating degree days
- 17
- Cooling degree days
- 220
Maryville in OctoberThis month
Highs average 72°22° and lows 49°9°, with 2.8 in71 mm of precipitation in a typical October.
- Record high
- 96°36° (2019)
- Record low
- 24°−4° (1910)
- Heating degree days
- 188
- Cooling degree days
- 42
Maryville in November
Highs average 60°16° and lows 38°3°, with 4.2 in107 mm of precipitation and 0.1 in0.3 cm of snow in a typical November.
- Record high
- 85°29° (2016)
- Record low
- 5°−15° (1950)
- Heating degree days
- 482
- Cooling degree days
- 3
Maryville in December
Highs average 51°11° and lows 33°0°, with 5 in127 mm of precipitation and 0.5 in1.3 cm of snow in a typical December.
- Record high
- 80°27° (1982)
- Record low
- −6°−21° (1983)
- Heating degree days
- 716
- Cooling degree days
- 0