What is the hottest month in Northport?

August is the warmest month in Northport, with an average high of 85.7°F.

What is the coldest month in Northport?

January is the coldest month in Northport, with an average low of 20.5°F.

What month does Northport get the most rain?

December is typically the wettest month in Northport, with about 2.47 inches of precipitation.

What plant hardiness zone is Northport in?

Northport is approximately in USDA plant hardiness Zone 7b, based on the average annual extreme minimum temperature.

Has the climate in Northport changed recently?

8.5% of Northport's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Northport, WA

Climate overview — based on NOAA 1991-2020 normals from NORTHPORT, WA US.

Dsb Mediterranean continental (warm summer) climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Northport has an annual average temperature of 46.4°F with about 20.3 inches of precipitation per year and 46.6 inches of snow. The warmest month is August (average high 85.7°F), and the coldest is January (average low 20.5°F). December is typically the wettest month (2.47 in) and August the driest (0.61 in). Snow typically falls from October through March.

Annual swing

42.2°F

warmest to coldest month

Heating need

6,867

HDD/yr

Cooling need

171

CDD/yr

Best time to visit Northport

Full guide →

Climate change signal

All-time records →

31 of 366 (8.5%) of Northport's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s		0
1900s		12
1910s		7
1920s		3
1930s		60
1940s		55
1950s		50
1960s		39
1970s		30
1980s		25
1990s		24
2000s		17
2010s		25
2020s		19

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	31.1°F	20.5°F	25.8°F	2.24 in	15.8 in	12
February	38.7°F	22.0°F	30.3°F	1.32 in	5.9 in	9
March	49.1°F	27.2°F	38.1°F	1.64 in	1.7 in	10
April	59.6°F	32.7°F	46.1°F	1.68 in	0.1 in	9
May	69.6°F	40.8°F	55.2°F	2.12 in	—	10
June	75.2°F	46.7°F	60.9°F	2.44 in	—	10
July	85.4°F	50.7°F	68.0°F	1.01 in	—	5
August	85.7°F	49.7°F	67.7°F	0.61 in	—	4
September	75.2°F	42.6°F	58.9°F	0.97 in	—	5
October	56.9°F	33.9°F	45.4°F	1.56 in	0.2 in	9
November	40.5°F	27.3°F	33.9°F	2.24 in	5.9 in	12
December	31.5°F	21.5°F	26.5°F	2.47 in	17.0 in	13