Climate · Fort Yates

Fort Yates, ND climate

Fort Yates has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 85°, a January night drops to 2°, and about 39 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
85°
5th hottest of 1,711 North Dakota towns
January low
2°
227th mildest of 1,711 North Dakota towns
Rain + melted snow
18 in
617th driest of 1,711 North Dakota towns
Snow a winter
39 in
384th least snowy of 1,453 North Dakota towns
A normal year

What a year in Fort Yates feels like

Winter

27° / 6°
Typical high / low · 17 days with an inch or more of snow

Spring

56° / 30°
Typical high / low · Last frost around May 8

Summer

83° / 55°
Typical high / low · 23 days reach 90° in a normal year

Fall

58° / 32°
Typical high / low · First frost around Sep 30
Best months to be outsideMayJunAugSepHighs of 62–84° and lows of 40° or more
Month by month

Fort Yates weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January24°2°0.3" 7.7"524 1° – 27°
February29°7°0.5" 7.3"520 -1° – 30°
March42°19°0.7" 5.5"512 19° – 44°
April57°30°1.4" 4.2"72 35° – 50°
May69°42°2.9" 0.2"90 50° – 61°
June79°52°3.3" 0110 60° – 69°
July85°58°2.9" 090 64° – 79°
August84°55°2.1" 070 64° – 74°
September74°45°1.6" 060 55° – 65°
October58°32°1.6" 1.6"71 37° – 50°
November41°19°0.5" 4.8"57 17° – 40°
December29°8°0.5" 7.7"518 6° – 27°
Year56°31°18.2"39.0"8184

“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.

Rain & snow

Rain and snow in Fort Yates

Fort Yates gets 18 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 81 days a year. Snow covers the ground about 84 days of the year.

18 in
Rain + melted snow a year
Less rain than 91% of U.S. towns
39 in
Snow in a normal winter
More snow than 69% of U.S. towns
84 days
With 1"+ of snow on the ground
More than 84% of U.S. towns

Rain + melted snow by month

Inches of water
3.3"

Snowfall by month

Inches of snow
7.7"
Frost & the growing season

About 143 frost-free days a year

In half of years the last 32° night comes by May 8 and the first one by September 30. That leaves about 143 frost-free days for gardens, shorter than 87% of U.S. towns.

176
nights at or below 32° in a normal year
35
nights below 0° in a normal year
23
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Fort Yates

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Fort Yates, 93% of that work is heating and 7% is cooling, so the furnace matters far more than the air conditioner.

93%heating
8,144 heating degree daysMore heating than 88% of U.S. towns
638 cooling degree daysLess cooling than 66% 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 Fort Yates compares

Summer heat85° July high
Hotter than 54% of U.S. towns5th hottest of 1,711 North Dakota towns
Winter cold2° January low
Colder than 93% of U.S. towns227th mildest of 1,711 North Dakota towns
Precipitation18" a year
Drier than 91% of U.S. towns617th driest of 1,711 North Dakota towns
Snow39" a winter
Snowier than 69% of U.S. towns384th least snowy of 1,453 North Dakota towns
Growing season143 frost-free days
Shorter than 87% of U.S. towns239th longest of 1,688 North Dakota towns

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

Then and now

Warmer than it used to be

+1.1°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Fort Yates averaged 1.1° warmer than the 1900s. The biggest change is in January (+3.8°). The shift is smaller than in 64% of U.S. towns.

❄️ Winter+3.2° now 16°, was 13°
🌷 Spring+0.5° now 43°, was 42°
☀️ Summer+0.2° now 69°, was 69°
🍂 Fall+0.4° now 45°, was 44°

Change by month1991–2020 average minus 1901–2000 average, at Fort Yates’s spot on NOAA’s grid

Year to year

How much a month can swing

A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from -1° to 30°. June is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Fort Yates’s climate

What is the coldest month in Fort Yates?

January, with a typical high of 24° and a low of 2°.

What is the hottest month in Fort Yates?

July, with a typical high of 85° and a low of 58°. About 23 days a year reach 90°.

How much snow does Fort Yates get?

About 39 inches in a normal winter, most of it in January.

When is the first frost in Fort Yates?

In half of years the first 32° night comes by September 30, and the last spring frost by May 8.

What is the rainiest month in Fort Yates?

June, with 3.3 inches of rain and melted snow. The year totals 18 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Fort Yates itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Pollock, SD (21 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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