Carnation weather by month
What a typical year looks like in Carnation, Washington: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at MONROE, 23 km from Carnation; records cover 1929–2026.
The year at a glance
- Precipitation a year
- 50.8 in1290 mm
- Snow a year
- 3 in8 cm
- Last spring freeze
- Apr 14
- First fall freeze
- Oct 28
- Heating degree days
- 5,696
- Cooling degree days
- 66
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 19°−7° (heating, 99%) and 88°31° (cooling, 1%).
Month by month
Carnation in January
Highs average 44°7° and lows 32°0°, with 6.5 in166 mm of precipitation and 0.1 in0.3 cm of snow in a typical January.
- Record high
- 72°22° (1935)
- Record low
- −3°−19° (1950)
- Heating degree days
- 836
- Cooling degree days
- 0
Carnation in February
Highs average 48°9° and lows 32°0°, with 4.5 in114 mm of precipitation and 2.2 in5.6 cm of snow in a typical February.
- Record high
- 75°24° (1986)
- Record low
- −2°−19° (1950)
- Heating degree days
- 704
- Cooling degree days
- 0
Carnation in March
Highs average 52°11° and lows 35°2°, with 5.2 in133 mm of precipitation and 0.2 in0.5 cm of snow in a typical March.
- Record high
- 79°26° (2004)
- Record low
- 12°−11° (1989)
- Heating degree days
- 670
- Cooling degree days
- 0
Carnation in April
Highs average 57°14° and lows 39°4°, with 4.3 in109 mm of precipitation in a typical April.
- Record high
- 88°31° (2016)
- Record low
- 23°−5° (1935)
- Heating degree days
- 510
- Cooling degree days
- 0
Carnation in May
Highs average 64°18° and lows 44°7°, with 3.4 in87 mm of precipitation in a typical May.
- Record high
- 94°34° (1963)
- Record low
- 29°−2° (1952)
- Heating degree days
- 343
- Cooling degree days
- 1
Carnation in June
Highs average 68°20° and lows 49°9°, with 2.7 in68 mm of precipitation in a typical June.
- Record high
- 100°38° (1984)
- Record low
- 34°1° (1939)
- Heating degree days
- 207
- Cooling degree days
- 6
Carnation in July
Highs average 74°23° and lows 52°11°, with 1.2 in29 mm of precipitation in a typical July.
- Record high
- 102°39° (2009)
- Record low
- 33°1° (1934)
- Heating degree days
- 91
- Cooling degree days
- 29
Carnation in August
Highs average 75°24° and lows 52°11°, with 1.3 in33 mm of precipitation in a typical August.
- Record high
- 101°38° (1931)
- Record low
- 35°2° (2010)
- Heating degree days
- 85
- Cooling degree days
- 26
Carnation in September
Highs average 69°20° and lows 48°9°, with 2.7 in69 mm of precipitation in a typical September.
- Record high
- 97°36° (1979)
- Record low
- 30°−1° (1970)
- Heating degree days
- 210
- Cooling degree days
- 4
Carnation in OctoberThis month
Highs average 58°14° and lows 41°5°, with 5 in128 mm of precipitation in a typical October.
- Record high
- 88°31° (1980)
- Record low
- 21°−6° (1971)
- Heating degree days
- 482
- Cooling degree days
- 0
Carnation in November
Highs average 49°9° and lows 35°2°, with 7.2 in182 mm of precipitation and 0.3 in0.8 cm of snow in a typical November.
- Record high
- 77°25° (1980)
- Record low
- 1°−17° (1985)
- Heating degree days
- 693
- Cooling degree days
- 0
Carnation in December
Highs average 43°6° and lows 32°0°, with 6.8 in172 mm of precipitation and 0.2 in0.5 cm of snow in a typical December.
- Record high
- 66°19° (1939)
- Record low
- 1°−17° (1968)
- Heating degree days
- 865
- Cooling degree days
- 0