Sunland Estates weather by month
What a typical year looks like in Sunland Estates, Washington: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Quincy, 21 km from Sunland Estates; records cover 1941–2026.
The year at a glance
- Precipitation a year
- 7.5 in190 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 22
- First fall freeze
- Oct 19
- Heating degree days
- 5,723
- Cooling degree days
- 691
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 6°−14° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Sunland Estates in January
Highs average 36°2° and lows 23°−5°, with 0.99 in25 mm of precipitation in a typical January.
- Record high
- 63°17° (1953)
- Record low
- −29°−34° (1950)
- Heating degree days
- 1088
- Cooling degree days
- 0
Sunland Estates in February
Highs average 44°7° and lows 27°−3°, with 0.65 in17 mm of precipitation in a typical February.
- Record high
- 73°23° (1947)
- Record low
- −25°−32° (1950)
- Heating degree days
- 833
- Cooling degree days
- 0
Sunland Estates in March
Highs average 55°13° and lows 32°0°, with 0.7 in18 mm of precipitation in a typical March.
- Record high
- 79°26° (2025)
- Record low
- 0°−18° (1951)
- Heating degree days
- 668
- Cooling degree days
- 0
Sunland Estates in April
Highs average 63°17° and lows 39°4°, with 0.58 in15 mm of precipitation in a typical April.
- Record high
- 92°33° (1977)
- Record low
- 17°−8° (1972)
- Heating degree days
- 420
- Cooling degree days
- 2
Sunland Estates in May
Highs average 73°23° and lows 47°8°, with 0.69 in18 mm of precipitation in a typical May.
- Record high
- 99°37° (1986)
- Record low
- 23°−5° (1954)
- Heating degree days
- 185
- Cooling degree days
- 33
Sunland Estates in June
Highs average 79°26° and lows 53°12°, with 0.45 in11 mm of precipitation in a typical June.
- Record high
- 106°41° (1961)
- Record low
- 33°1° (1966)
- Heating degree days
- 58
- Cooling degree days
- 92
Sunland Estates in July
Highs average 87°31° and lows 59°15°, with 0.23 in5.8 mm of precipitation in a typical July.
- Record high
- 109°43° (1941)
- Record low
- 36°2° (1962)
- Heating degree days
- 7
- Cooling degree days
- 264
Sunland Estates in August
Highs average 87°30° and lows 58°14°, with 0.12 in3 mm of precipitation in a typical August.
- Record high
- 107°42° (1946)
- Record low
- 37°3° (1960)
- Heating degree days
- 10
- Cooling degree days
- 233
Sunland Estates in September
Highs average 78°25° and lows 50°10°, with 0.2 in5.1 mm of precipitation in a typical September.
- Record high
- 100°38° (1944)
- Record low
- 26°−3° (1972)
- Heating degree days
- 101
- Cooling degree days
- 65
Sunland Estates in OctoberThis month
Highs average 63°17° and lows 39°4°, with 0.64 in16 mm of precipitation in a typical October.
- Record high
- 89°32° (1943)
- Record low
- 9°−13° (2002)
- Heating degree days
- 445
- Cooling degree days
- 2
Sunland Estates in November
Highs average 47°8° and lows 29°−1°, with 0.93 in24 mm of precipitation in a typical November.
- Record high
- 75°24° (1945)
- Record low
- −15°−26° (1985)
- Heating degree days
- 808
- Cooling degree days
- 0
Sunland Estates in December
Highs average 36°2° and lows 23°−5°, with 1.3 in33 mm of precipitation in a typical December.
- Record high
- 70°21° (2021)
- Record low
- −19°−28° (1968)
- Heating degree days
- 1100
- Cooling degree days
- 0