What is the hottest month in Tanana?

July is the warmest month in Tanana, with an average high of 70.8°F.

What is the coldest month in Tanana?

January is the coldest month in Tanana, with an average low of -17.4°F.

What month does Tanana get the most rain?

August is typically the wettest month in Tanana, with about 2.68 inches of precipitation.

What plant hardiness zone is Tanana in?

Tanana is approximately in USDA plant hardiness Zone 3b, based on the average annual extreme minimum temperature.

Has the climate in Tanana changed recently?

9% of Tanana'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.

Tanana, AK

Climate overview — based on NOAA 1991-2020 normals from TANANA CALHOUN MEM AP, AK US.

Dwc Monsoon subarctic climate 3b USDA hardiness Zone 3b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Tanana has an annual average temperature of 25.5°F with about 11.5 inches of precipitation per year and 50 inches of snow. The warmest month is July (average high 70.8°F), and the coldest is January (average low -17.4°F). August is typically the wettest month (2.68 in) and March the driest (0.24 in). Snow typically falls from September through May.

Annual swing

69.1°F

warmest to coldest month

Heating need

14,235

HDD/yr

Cooling need

CDD/yr

Best time to visit Tanana

Full guide →

Climate change signal

All-time records →

33 of 366 (9%) of Tanana'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.

1900s		28
1910s		8
1920s		31
1930s		46
1940s		26
1950s		36
1960s		24
1970s		20
1980s		13
1990s		50
2000s		30
2010s		40
2020s		14

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	-1.2°F	-17.4°F	-9.3°F	0.38 in	7.7 in	5
February	8.2°F	-10.6°F	-1.2°F	0.44 in	8.0 in	6
March	18.9°F	-6.3°F	6.3°F	0.24 in	5.4 in	4
April	39.3°F	15.6°F	27.4°F	0.30 in	2.5 in	4
May	58.9°F	33.4°F	46.1°F	0.64 in	0.3 in	7
June	70.1°F	45.4°F	57.8°F	1.48 in	—	11
July	70.8°F	48.8°F	59.8°F	1.95 in	—	12
August	63.9°F	43.2°F	53.6°F	2.68 in	—	15
September	51.8°F	33.5°F	42.6°F	1.68 in	0.8 in	12
October	31.3°F	17.4°F	24.3°F	0.71 in	5.0 in	8
November	10.5°F	-4.0°F	3.3°F	0.56 in	10.0 in	7
December	2.4°F	-12.9°F	-5.2°F	0.41 in	10.3 in	7