Covington weather by month
What a typical year looks like in Covington, Washington: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Seattle Tacoma Area, 18 km from Covington; records cover 1945–2026.
The year at a glance
- Precipitation a year
- 39.3 in999 mm
- Snow a year
- 6 in16 cm
- Last spring freeze
- Mar 4
- First fall freeze
- Nov 14
- Heating degree days
- 4,376
- Cooling degree days
- 263
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 25°−4° (heating, 99%) and 90°32° (cooling, 1%).
Month by month
Covington in January
Highs average 48°9° and lows 38°3°, with 5.8 in147 mm of precipitation and 1.8 in4.6 cm of snow in a typical January.
- Record high
- 64°18° (1981)
- Record low
- 0°−18° (1950)
- Heating degree days
- 687
- Cooling degree days
- 0
Covington in February
Highs average 50°10° and lows 38°3°, with 3.8 in96 mm of precipitation and 2.2 in5.6 cm of snow in a typical February.
- Record high
- 70°21° (1968)
- Record low
- 1°−17° (1950)
- Heating degree days
- 588
- Cooling degree days
- 0
Covington in March
Highs average 54°12° and lows 40°4°, with 4.2 in106 mm of precipitation and 0.4 in1 cm of snow in a typical March.
- Record high
- 79°26° (2019)
- Record low
- 11°−12° (1955)
- Heating degree days
- 557
- Cooling degree days
- 0
Covington in April
Highs average 59°15° and lows 43°6°, with 3.2 in81 mm of precipitation in a typical April.
- Record high
- 89°32° (2016)
- Record low
- 29°−2° (1951)
- Heating degree days
- 412
- Cooling degree days
- 1
Covington in May
Highs average 66°19° and lows 49°9°, with 1.9 in48 mm of precipitation in a typical May.
- Record high
- 93°34° (1963)
- Record low
- 28°−2° (1954)
- Heating degree days
- 242
- Cooling degree days
- 9
Covington in June
Highs average 71°22° and lows 53°12°, with 1.5 in37 mm of precipitation in a typical June.
- Record high
- 108°42° (2021)
- Record low
- 38°3° (1952)
- Heating degree days
- 118
- Cooling degree days
- 29
Covington in July
Highs average 77°25° and lows 57°14°, with 0.6 in15 mm of precipitation in a typical July.
- Record high
- 103°39° (2009)
- Record low
- 43°6° (1949)
- Heating degree days
- 31
- Cooling degree days
- 96
Covington in August
Highs average 78°25° and lows 57°14°, with 0.97 in25 mm of precipitation in a typical August.
- Record high
- 99°37° (1960)
- Record low
- 44°7° (1947)
- Heating degree days
- 24
- Cooling degree days
- 98
Covington in September
Highs average 72°22° and lows 54°12°, with 1.6 in41 mm of precipitation in a typical September.
- Record high
- 98°37° (1988)
- Record low
- 35°2° (1972)
- Heating degree days
- 102
- Cooling degree days
- 30
Covington in OctoberThis month
Highs average 61°16° and lows 47°8°, with 3.9 in99 mm of precipitation in a typical October.
- Record high
- 89°32° (1987)
- Record low
- 28°−2° (1949)
- Heating degree days
- 349
- Cooling degree days
- 0
Covington in November
Highs average 52°11° and lows 41°5°, with 6.3 in160 mm of precipitation and 0.2 in0.5 cm of snow in a typical November.
- Record high
- 74°23° (1949)
- Record low
- 6°−14° (1955)
- Heating degree days
- 555
- Cooling degree days
- 0
Covington in December
Highs average 47°8° and lows 37°3°, with 5.7 in145 mm of precipitation and 1.7 in4.3 cm of snow in a typical December.
- Record high
- 66°19° (2014)
- Record low
- 6°−14° (1968)
- Heating degree days
- 711
- Cooling degree days
- 0