Climate · Nondalton

Nondalton, AK climate

Nondalton has cold, snowy winters and cool summers. A typical July afternoon reaches 65°, a January night drops to 12°, and about 88 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
65°
90th coolest of 213 Alaska towns
January low
12°
74th mildest of 213 Alaska towns
Rain + melted snow
25 in
77th wettest of 213 Alaska towns
Snow a winter
88 in
36th snowiest of 152 Alaska towns
A normal year

What a year in Nondalton feels like

Winter

28° / 15°
Typical high / low · 32 days with an inch or more of snow

Spring

43° / 27°
Typical high / low · Last frost around May 10

Summer

63° / 49°
Typical high / low · 90° days are rare

Fall

45° / 32°
Typical high / low · First frost around Oct 1
Best months to be outsideJunJulAugHighs of 62–84° and lows of 40° or more
Month by month

Nondalton weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground
January25°12°0.9" 13.9"822
February30°16°1.1" 13.1"718
March32°16°0.8" 12.1"623
April43°29°0.8" 7.2"57
May55°38°1.2" 0.8"40
June62°45°1.5" 060
July65°51°3.1" 090
August64°50°4.1" 0110
September56°43°5.0" 0.3"110
October45°32°2.8" 4.9"95
November33°21°2.2" 17.3"1016
December28°15°1.5" 18.3"1023
Year45°31°25.0"87.9"95112

“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more.

Rain & snow

Rain and snow in Nondalton

Nondalton gets 25 inches of rain and melted snow a year. September is the wettest month and April the driest. Rain or snow falls on about 95 days a year. Snow covers the ground about 112 days of the year.

25 in
Rain + melted snow a year
Less rain than 82% of U.S. towns
88 in
Snow in a normal winter
More snow than 96% of U.S. towns
112 days
With 1"+ of snow on the ground
More than 95% of U.S. towns

Rain + melted snow by month

Inches of water
5.0"

Snowfall by month

Inches of snow
18"
Frost & the growing season

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.

170
nights at or below 32° in a normal year
32
nights below 0° in a normal year
0
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°
Heating & cooling

Heating and cooling a home in Nondalton

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Nondalton, 100% of that work is heating and 0% is cooling, so the furnace matters far more than the air conditioner.

100%heating
9,940 heating degree daysMore heating than 99% of U.S. towns
8 cooling degree daysLess cooling than 100% of U.S. towns

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.

Compared with other towns

How Nondalton compares

Summer heat65° July high
Cooler than 100% of U.S. towns90th coolest of 213 Alaska towns
Winter cold12° January low
Colder than 78% of U.S. towns74th mildest of 213 Alaska towns
Precipitation25" a year
Drier than 82% of U.S. towns77th wettest of 213 Alaska towns
Snow88" a winter
Snowier than 96% of U.S. towns36th snowiest of 152 Alaska towns
Growing season144 frost-free days
Shorter than 85% of U.S. towns53rd longest of 213 Alaska towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Questions

Common questions about Nondalton’s climate

What is the coldest month in Nondalton?

January, with a typical high of 25° and a low of 12°.

What is the hottest month in Nondalton?

July, with a typical high of 65° and a low of 51°.

How much snow does Nondalton get?

About 88 inches in a normal winter, most of it in December.

When is the first frost in Nondalton?

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 Nondalton?

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 Port Alsworth, AK (25 mi, snow) and Iliamna Airport, AK (16 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020.

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