Delta Junction, AK

Climate overview — based on NOAA 1991-2020 normals from DELTA 5 NE, AK US.

Dwc Monsoon subarctic climate 4a USDA hardiness Zone 4a

Year-round temperatures (°F)

-20° 10° 40° 70° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Delta Junction has an annual average temperature of 27.5°F with about 13.4 inches of precipitation per year and 45 inches of snow. The warmest month is July (average high 71.9°F), and the coldest is January (average low -13.4°F). July is typically the wettest month (3.03 in) and April the driest (0.24 in). Snow typically falls from September through May.

Annual swing
64.8°F
warmest to coldest month
Heating need
13,518
Cooling need
0

Best time to visit Delta Junction

Full guide →

Climate change signal

All-time records →

14 of 366 (3.8%) of Delta Junction'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.

1990s
78
2000s
209
2010s
79

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 3.0°F -13.4°F -5.2°F 0.50 in 6.1 in 7
February 13.6°F -6.8°F 3.4°F 0.35 in 4.6 in 5
March 26.9°F -1.5°F 12.7°F 0.25 in 4.0 in 5
April 46.5°F 18.7°F 32.6°F 0.24 in 3.1 in 4
May 62.1°F 32.1°F 47.1°F 0.94 in 1.7 in 8
June 71.0°F 43.5°F 57.3°F 2.97 in 0.1 in 12
July 71.9°F 47.3°F 59.6°F 3.03 in 15
August 66.0°F 42.0°F 54.0°F 2.06 in 15
September 54.1°F 30.6°F 42.4°F 1.14 in 2.3 in 10
October 32.6°F 15.4°F 24.0°F 0.69 in 7.3 in 8
November 11.6°F -4.4°F 3.6°F 0.64 in 7.8 in 9
December 6.1°F -10.4°F -2.1°F 0.57 in 8.0 in 8

Climate twins of Delta Junction

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

Compare Delta Junction to another city