Longview weather by month
What a typical year looks like in Longview, Washington: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at LONGVIEW, 1 km from Longview; records cover 1925–2026.
The year at a glance
- Precipitation a year
- 48.1 in1222 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 3
- First fall freeze
- Nov 8
- Heating degree days
- 4,546
- Cooling degree days
- 243
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 22°−6° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Longview in January
Highs average 48°9° and lows 35°2°, with 6.5 in166 mm of precipitation in a typical January.
- Record high
- 65°18° (1931)
- Record low
- −6°−21° (1930)
- Heating degree days
- 732
- Cooling degree days
- 0
Longview in February
Highs average 52°11° and lows 35°2°, with 4.8 in122 mm of precipitation in a typical February.
- Record high
- 73°23° (1968)
- Record low
- 2°−17° (1950)
- Heating degree days
- 606
- Cooling degree days
- 0
Longview in March
Highs average 57°14° and lows 38°3°, with 4.9 in125 mm of precipitation in a typical March.
- Record high
- 82°28° (2025)
- Record low
- 19°−7° (1943)
- Heating degree days
- 552
- Cooling degree days
- 0
Longview in April
Highs average 62°17° and lows 40°5°, with 4.1 in104 mm of precipitation in a typical April.
- Record high
- 90°32° (2004)
- Record low
- 24°−4° (1929)
- Heating degree days
- 413
- Cooling degree days
- 1
Longview in May
Highs average 69°20° and lows 45°7°, with 3.1 in79 mm of precipitation in a typical May.
- Record high
- 99°37° (2001)
- Record low
- 27°−3° (1930)
- Heating degree days
- 256
- Cooling degree days
- 9
Longview in June
Highs average 73°23° and lows 50°10°, with 2 in52 mm of precipitation in a typical June.
- Record high
- 107°42° (2021)
- Record low
- 30°−1° (2000)
- Heating degree days
- 138
- Cooling degree days
- 24
Longview in July
Highs average 79°26° and lows 53°12°, with 0.63 in16 mm of precipitation in a typical July.
- Record high
- 105°41° (1942)
- Record low
- 32°0° (1930)
- Heating degree days
- 40
- Cooling degree days
- 81
Longview in August
Highs average 80°27° and lows 53°12°, with 0.97 in25 mm of precipitation in a typical August.
- Record high
- 108°42° (1981)
- Record low
- 35°2° (1935)
- Heating degree days
- 33
- Cooling degree days
- 91
Longview in September
Highs average 76°24° and lows 50°10°, with 2.3 in58 mm of precipitation in a typical September.
- Record high
- 104°40° (1944)
- Record low
- 29°−2° (1926)
- Heating degree days
- 106
- Cooling degree days
- 35
Longview in OctoberThis month
Highs average 64°18° and lows 44°7°, with 4.4 in111 mm of precipitation in a typical October.
- Record high
- 90°32° (1987)
- Record low
- 23°−5° (2019)
- Heating degree days
- 341
- Cooling degree days
- 2
Longview in November
Highs average 53°12° and lows 39°4°, with 7.2 in184 mm of precipitation in a typical November.
- Record high
- 76°24° (1949)
- Record low
- 8°−13° (1955)
- Heating degree days
- 576
- Cooling degree days
- 0
Longview in December
Highs average 47°8° and lows 35°2°, with 7.1 in181 mm of precipitation in a typical December.
- Record high
- 64°18° (1934)
- Record low
- 4°−16° (1932)
- Heating degree days
- 753
- Cooling degree days
- 0