What is the hottest month in Washington?

July is the warmest month in Washington, with an average high of 88.8°F.

What is the coldest month in Washington?

January is the coldest month in Washington, with an average low of 33.6°F.

What month does Washington get the most rain?

September is typically the wettest month in Washington, with about 6.60 inches of precipitation.

What plant hardiness zone is Washington in?

Washington is approximately in USDA plant hardiness Zone 8b, based on the average annual extreme minimum temperature.

Has the climate in Washington changed recently?

21.3% of Washington'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.

Washington, NC

Climate overview — based on NOAA 1991-2020 normals from WASHINGTON WWTP 4W, NC US.

Cfa Humid subtropical climate 8b USDA hardiness Zone 8b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Washington has an annual average temperature of 61.9°F with about 53 inches of precipitation per year and 1.2 inches of snow. The warmest month is July (average high 88.8°F), and the coldest is January (average low 33.6°F). September is typically the wettest month (6.60 in) and November the driest (3.27 in). Snow typically falls from December through January.

Pleasant months

3 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

37°F

warmest to coldest month

Heating need

2,706

HDD/yr

Cooling need

1,587

CDD/yr

Best time to visit Washington

Full guide →

Climate change signal

All-time records →

78 of 366 (21.3%) of Washington'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		33
1900s		156
1920s		0
1930s		0
1940s		0
1950s		0
1960s		1
1970s		0
1980s		0
1990s		0
2000s		47
2010s		69
2020s		60

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	52.7°F	33.6°F	43.2°F	3.91 in	0.4 in	9
February	55.9°F	35.4°F	45.6°F	3.45 in	0.1 in	8
March	62.8°F	41.3°F	52.1°F	4.22 in	—	9
April	72.2°F	50.2°F	61.2°F	3.43 in	—	8
May	78.8°F	59.7°F	69.2°F	4.75 in	—	9
June	85.4°F	67.2°F	76.3°F	4.91 in	—	9
July	88.8°F	71.6°F	80.2°F	5.35 in	—	11
August	87.3°F	70.0°F	78.6°F	5.70 in	—	11
September	81.9°F	65.3°F	73.6°F	6.60 in	—	9
October	73.6°F	53.8°F	63.7°F	3.76 in	—	7
November	63.5°F	42.1°F	52.8°F	3.27 in	—	7
December	56.1°F	36.3°F	46.2°F	3.61 in	0.7 in	10