Photo: United States Air Force · Public domainEielson AFB’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 72°, a January night drops to −18°, and about 68 inches of snow falls in a normal winter.
A year in Eielson AFB at a glance
Each month’s typical high and low, and what it brings.
What stands out about Eielson AFB’s climate
Compared with towns across the U.S., with Eielson AFB’s place in Alaska beside it.
What a year in Eielson AFB feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 104 frost-free days a year
In half of years the last 32° night comes by May 20 and the first by September 1. Frost and day counts come from NOAA’s station at Eielson Fld, AK, 1.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts Eielson AFB’s center in zone 2a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −46°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 68 inches of snow a winter
Snow, measured at Eielson Fld, AK, is heaviest from October through November, about 13 inches a month. Precipitation (rain plus melted snow) adds up to 13 inches a year; July is the wettest month and March the driest. Rain or snow falls on about 97 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Eielson AFB
Nearly all of the work is heating: a normal year has almost no cooling days. Months averaging under 55° run from September through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Eielson Fld, AK.
Living with Eielson AFB’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
104 frost-free days in zone 2a. The last frost comes by May 20 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 1.
Months with highs of 62–84° and lows of 40° or more: June, July and August. 7.2 miles of trails are waiting.
Parks & trails →Cold waves are 29% of the yearly building losses FEMA expects in Eielson AFB from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Eielson AFB and its neighbors
Moose Creek the hottest July afternoons (73°, 1° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Eielson AFB’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Eielson AFB, AK | −18° | 72° | 13" | 68" |
| International Falls, MN | −5° | 78° | 28" | 73" |
| Grand Forks, ND | −2° | 81° | 22" | 49" |
| Gunnison, CO | 0° | 82° | 12" | 50" |
| Superior, WI | 6° | 76° | 30" | 56" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
How Eielson AFB compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Eielson AFB’s place among Alaska’s.
Eielson AFB weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Eielson Fld, AK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days |
|---|---|---|---|---|---|
| January | 0° | −18° | 0.5" | 8.5" | 7 |
| February | 11° | −11° | 0.4" | 6.5" | 5 |
| March | 25° | −3° | 0.3" | 6.9" | 5 |
| April | 45° | 21° | 0.3" | 3.5" | 3 |
| May | 61° | 36° | 0.7" | 1.7" | 6 |
| June | 71° | 47° | 2.1" | 0.0" | 11 |
| July | 72° | 50° | 2.7" | 0.0" | 13 |
| August | 66° | 44° | 2.6" | 0.0" | 13 |
| September | 54° | 34° | 1.5" | 2.6" | 10 |
| October | 33° | 16° | 0.9" | 12.9" | 10 |
| November | 10° | −6° | 0.5" | 13.4" | 7 |
| December | 3° | −14° | 0.4" | 11.7" | 7 |
| Year | 38° | 16° | 12.9" | 67.7" | 97 |
Where Eielson AFB’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s 1991–2020 normals at the nearest station (NOAA’s grid doesn’t cover Alaska).
- Snow: Eielson Fld, AK (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Eielson Fld, AK, 1.2 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Eielson AFB’s climate
What is the weather like in Eielson AFB?
A typical July afternoon reaches 72°, a January night drops to −18°, and about 68 inches of snow falls in a normal winter. Colder January nights than all but 2 U.S. towns; cooler July afternoons than all but 103 U.S. towns.
How cold does it get in Eielson AFB in winter?
January nights average −18°. About 223 nights a year reach 32° or below and 112 reach 0° or below.
How much snow does Eielson AFB get?
About 68 inches in a normal winter at Eielson Fld, AK, heaviest from October through November, about 13 inches a month.
How hot does it get in Eielson AFB?
July, with a typical high of 72°. 90° days are rare: none in a normal year at Eielson Fld, AK.
When is the first and last frost in Eielson AFB?
In half of years the last spring frost (32°) comes by May 20 and the first fall frost by September 1, about 104 frost-free days, at Eielson Fld, AK.
What growing zone is Eielson AFB in?
Zone 2a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −46°.
What is the best time of year to visit Eielson AFB?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July and August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Neighbors talk weather
Gardens, snow, and the best days of the year in Eielson AFB.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.