Union Hill-Novelty Hill weather by month
What a typical year looks like in Union Hill-Novelty Hill, Washington: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Seattle Sand Point WFO, 17 km from Union Hill-Novelty Hill; records cover 1894–2026.
The year at a glance
- Precipitation a year
- 37.8 in961 mm
- Snow a year
- 4 in10 cm
- Last spring freeze
- Mar 11
- First fall freeze
- Nov 20
- Heating degree days
- 4,482
- Cooling degree days
- 210
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 26°−3° (heating, 99%) and 88°31° (cooling, 1%).
Month by month
Union Hill-Novelty Hill in January
Highs average 47°9° and lows 37°3°, with 5.1 in131 mm of precipitation and 0.9 in2.3 cm of snow in a typical January.
- Record high
- 67°19° (1931)
- Record low
- 11°−12° (1907)
- Heating degree days
- 704
- Cooling degree days
- 0
Union Hill-Novelty Hill in February
Highs average 50°10° and lows 37°3°, with 3.5 in90 mm of precipitation and 1 in2.5 cm of snow in a typical February.
- Record high
- 74°23° (1968)
- Record low
- 11°−12° (1989)
- Heating degree days
- 605
- Cooling degree days
- 0
Union Hill-Novelty Hill in March
Highs average 54°12° and lows 39°4°, with 3.9 in98 mm of precipitation in a typical March.
- Record high
- 78°26° (2004)
- Record low
- 20°−7° (1897)
- Heating degree days
- 572
- Cooling degree days
- 0
Union Hill-Novelty Hill in April
Highs average 59°15° and lows 43°6°, with 3 in76 mm of precipitation in a typical April.
- Record high
- 89°32° (2016)
- Record low
- 30°−1° (1920)
- Heating degree days
- 426
- Cooling degree days
- 0
Union Hill-Novelty Hill in May
Highs average 65°19° and lows 48°9°, with 2.2 in55 mm of precipitation in a typical May.
- Record high
- 92°33° (1934)
- Record low
- 35°2° (1954)
- Heating degree days
- 258
- Cooling degree days
- 4
Union Hill-Novelty Hill in June
Highs average 70°21° and lows 53°12°, with 1.6 in40 mm of precipitation in a typical June.
- Record high
- 107°42° (2021)
- Record low
- 40°4° (1924)
- Heating degree days
- 124
- Cooling degree days
- 18
Union Hill-Novelty Hill in July
Highs average 77°25° and lows 57°14°, with 0.78 in20 mm of precipitation in a typical July.
- Record high
- 105°41° (2009)
- Record low
- 44°7° (1902)
- Heating degree days
- 31
- Cooling degree days
- 78
Union Hill-Novelty Hill in August
Highs average 77°25° and lows 57°14°, with 1 in25 mm of precipitation in a typical August.
- Record high
- 97°36° (1960)
- Record low
- 46°8° (1899)
- Heating degree days
- 23
- Cooling degree days
- 86
Union Hill-Novelty Hill in September
Highs average 71°22° and lows 53°12°, with 1.7 in44 mm of precipitation in a typical September.
- Record high
- 92°33° (1937)
- Record low
- 36°2° (1895)
- Heating degree days
- 106
- Cooling degree days
- 24
Union Hill-Novelty Hill in OctoberThis month
Highs average 61°16° and lows 47°8°, with 3.7 in93 mm of precipitation in a typical October.
- Record high
- 88°31° (2022)
- Record low
- 29°−2° (1919)
- Heating degree days
- 354
- Cooling degree days
- 0
Union Hill-Novelty Hill in November
Highs average 52°11° and lows 41°5°, with 5.9 in149 mm of precipitation and 0.2 in0.5 cm of snow in a typical November.
- Record high
- 76°24° (2010)
- Record low
- 13°−11° (1955)
- Heating degree days
- 558
- Cooling degree days
- 0
Union Hill-Novelty Hill in December
Highs average 47°8° and lows 37°3°, with 5.6 in141 mm of precipitation and 1.7 in4.3 cm of snow in a typical December.
- Record high
- 65°18° (1939)
- Record low
- 9°−13° (1990)
- Heating degree days
- 721
- Cooling degree days
- 0