
Nenana has cold winters and cool summers, with very little rain
A typical July afternoon reaches 73°, a January night drops to -12°.
A year in Nenana at a glance
Each month’s typical high and low, and what it brings.
What stands out about Nenana’s climate
Read from where Nenana sits among Alaska’s towns. The page puts what stands out first.
About 117 frost-free days a year
In half of years the last 32° night comes by May 15 and the first by September 11.
Freezing nights by month
Average nights at or below 32°
Rain and snow in Nenana
August is the wettest month and April the driest.
Rain + melted snow by month
Inches of water
Snowfall by month
No snow records from a nearby station.
What a year in Nenana feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Nenana’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
117 frost-free days. The last frost comes by May 15 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 11.
Months averaging under 55° run from September through May. Heating is 99% of the year’s heating-and-cooling load.
90° days are rare: July afternoons average 73°.
The nicest months are June, July and August. 3.9 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →How Nenana compares
Against every U.S. town on TownTapestry, each counted once, with its place in Alaska.
Nenana weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt |
|---|---|---|---|
| January | 5° | -12° | 0.6" |
| February | 15° | -6° | 0.4" |
| March | 24° | 1° | 0.4" |
| April | 45° | 23° | 0.3" |
| May | 63° | 39° | 0.6" |
| June | 72° | 49° | 1.8" |
| July | 73° | 53° | 2.3" |
| August | 67° | 48° | 2.3" |
| September | 55° | 37° | 1.4" |
| October | 35° | 21° | 0.9" |
| November | 15° | 1° | 0.8" |
| December | 8° | -9° | 0.6" |
| Year | 40° | 20° | 12.4" |
Heating and cooling a home in Nenana
99% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
Common questions about Nenana’s climate
What is the coldest month in Nenana?
January, with a typical high of 5° and a low of -12°.
What is the hottest month in Nenana?
July, with a typical high of 73° and a low of 53°.
When is the first frost in Nenana?
In half of years the first 32° night comes by September 11, and the last spring frost by May 15.
What is the rainiest month in Nenana?
August, with 2.3 inches of rain and melted snow. The year totals 12 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Nenana.
Your answer becomes a post in Town Square.
NOAA’s gridded normals don’t cover this state, so temperatures and rainfall come from the nearest weather station. Snow, frost dates and day counts come from NOAA’s weather station at Nenana Municipal Airport, AK (1 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020. Today’s forecast: National Weather Service.