Climate · Kaltag

Kaltag, AK climate

Kaltag has cold winters and cool summers, with very little rain. A typical July afternoon reaches 69°, a January night drops to -12°.

NOAA 1991-2020 climate normals Updated once a decade
July high
69°
56th hottest of 213 Alaska towns
January low
-12°
47th coldest of 213 Alaska towns
Rain + melted snow
22 in
97th wettest of 213 Alaska towns
A normal year

What a year in Kaltag feels like

Winter

9° / -9°
Typical high / low · Snow is rare

Spring

39° / 16°
Typical high / low · Last frost around May 25

Summer

67° / 47°
Typical high / low · 90° days are rare

Fall

35° / 19°
Typical high / low · First frost around Sep 3
Best months to be outsideJunJulAugHighs of 62–84° and lows of 40° or more
Month by month

Kaltag weather by month

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

MonthHighLowRain + melt
January4°-12°1.0"
February14°-6°1.3"
March21°-2°1.5"
April38°17°1.4"
May56°34°1.0"
June69°46°1.7"
July69°49°2.2"
August64°45°3.4"
September53°36°3.2"
October35°21°2.8"
November17°2°1.4"
December8°-8°0.7"
Year37°18°21.5"

“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 Kaltag

Kaltag gets 22 inches of rain and melted snow a year. August is the wettest month and December the driest.

22 in
Rain + melted snow a year
Less rain than 87% of U.S. towns

Rain + melted snow by month

Inches of water
3.4"

Snowfall by month

No snow records from a nearby station.
Frost & the growing season

About 101 frost-free days a year

In half of years the last 32° night comes by May 25 and the first one by September 3. That leaves about 101 frost-free days for gardens, shorter than 99% of U.S. towns.

234
nights at or below 32° in a normal year
95
nights below 0° in a normal year
<1
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 Kaltag

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

100%heating
13,510 heating degree daysMore heating than 100% of U.S. towns
22 cooling degree daysLess cooling than 99% 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 Kaltag compares

Summer heat69° July high
Cooler than 99% of U.S. towns56th hottest of 213 Alaska towns
Winter cold-12° January low
Colder than 100% of U.S. towns47th coldest of 213 Alaska towns
Precipitation22" a year
Drier than 87% of U.S. towns97th wettest of 213 Alaska towns
Growing season101 frost-free days
Shorter than 99% of U.S. towns71st shortest of 213 Alaska towns

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

Questions

Common questions about Kaltag’s climate

What is the coldest month in Kaltag?

January, with a typical high of 4° and a low of -12°.

What is the hottest month in Kaltag?

July, with a typical high of 69° and a low of 49°.

When is the first frost in Kaltag?

In half of years the first 32° night comes by September 3, and the last spring frost by May 25.

What is the rainiest month in Kaltag?

August, with 3.4 inches of rain and melted snow. The year totals 22 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 Kaltag 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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01