Newhalen, AK climate
Newhalen has cold winters and cool summers. A typical July afternoon reaches 65°, a January night drops to 12°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Newhalen feels like
Winter
Spring
Summer
Fall
Newhalen weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt |
|---|---|---|---|
| January | 25° | 12° | 0.9" |
| February | 30° | 16° | 1.1" |
| March | 32° | 16° | 0.8" |
| April | 43° | 29° | 0.8" |
| May | 55° | 38° | 1.2" |
| June | 62° | 45° | 1.5" |
| July | 65° | 51° | 3.1" |
| August | 64° | 50° | 4.1" |
| September | 56° | 43° | 5.0" |
| October | 45° | 32° | 2.8" |
| November | 33° | 21° | 2.2" |
| December | 28° | 15° | 1.5" |
| Year | 45° | 31° | 25.0" |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more.
Rain and snow in Newhalen
Newhalen gets 25 inches of rain and melted snow a year. September is the wettest month and April the driest.
About 144 frost-free days a year
In half of years the last 32° night comes by May 10 and the first one by October 1. That leaves about 144 frost-free days for gardens, shorter than 85% of U.S. towns.
Heating and cooling a home in Newhalen
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Newhalen, 100% of that work is heating and 0% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Newhalen compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Common questions about Newhalen’s climate
What is the coldest month in Newhalen?
January, with a typical high of 25° and a low of 12°.
What is the hottest month in Newhalen?
July, with a typical high of 65° and a low of 51°.
When is the first frost in Newhalen?
In half of years the first 32° night comes by October 1, and the last spring frost by May 10.
What is the rainiest month in Newhalen?
September, with 5.0 inches of rain and melted snow. The year totals 25 inches.
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 Iliamna 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.