Sioux Pass, MT

Unincorporated community in Richland County, Montana

Sioux Pass is a small unincorporated community in Richland County, Montana. It is 13.6 miles E of Fairview, the nearest town. Its ZIP code is 59221.

Sioux Pass at a glance

State
Montana
County
Richland County
ZIP code
59221
Nearest town
Fairview (13.6 mi)
Time zone
America/Denver
Coordinates
47.9225, -104.3253

Weather in Sioux Pass now

Loading the National Weather Service forecast…

Sioux Pass weather by the hour

Sioux Pass weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Sioux Pass.

This week in Sioux Pass

Sunrise, sunset and moon in Sioux Pass

What is the weather usually like in Sioux Pass?

BSk
Cold semi-arid climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

1°24°47°69°92°27°6°Jan32°11°Feb46°21°Mar60°32°Apr71°43°May79°52°Jun87°57°Jul86°55°Aug76°46°Sep59°34°Oct42°21°Nov31°11°Dec

Average precipitation (inches)

0.4"Jan0.4"Feb0.6"Mar1.2"Apr2.4"May2.8"Jun2.6"Jul1.3"Aug1.6"Sep1.1"Oct0.6"Nov0.5"Dec

Best time to visit Sioux Pass: May–June and August–September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SIDNEY, MT US (USC00247560), adjusted for the elevation of Sioux Pass.

Sioux Pass weather month by month

January
27° 6°F
0.4 in of rain · 1 wet days❄ 7.0 in of snow
February
32° 11°F
0.4 in of rain · 1 wet days❄ 5.6 in of snow
March
46° 21°F
0.6 in of rain · 2 wet days❄ 3.0 in of snow
April
60° 32°F
1.2 in of rain · 3 wet days❄ 1.7 in of snow
May
71° 43°F
2.4 in of rain · 6 wet days❄ 0.7 in of snow
June
79° 52°F
2.8 in of rain · 6 wet days
July
87° 57°F
2.6 in of rain · 5 wet days
August
86° 55°F
1.3 in of rain · 3 wet days
September
76° 46°F
1.6 in of rain · 3 wet days
October
59° 34°F
1.1 in of rain · 3 wet days❄ 1.5 in of snow
November
42° 21°F
0.6 in of rain · 1 wet days❄ 3.0 in of snow
December
31° 11°F
0.5 in of rain · 2 wet days❄ 7.9 in of snow

Sunrise and sunset in Sioux Pass through the year

MonthSunriseSunsetDaylight
January7:39 AM4:33 PM8 h 54 min
February7:01 AM5:21 PM10 h 20 min
March7:07 AM7:04 PM11 h 56 min
April6:05 AM7:49 PM13 h 43 min
May5:16 AM8:30 PM15 h 14 min
June4:55 AM9:00 PM16 h 4 min
July5:12 AM8:54 PM15 h 41 min
August5:51 AM8:12 PM14 h 20 min
September6:33 AM7:11 PM12 h 37 min
October7:15 AM6:10 PM10 h 55 min
November7:02 AM4:21 PM9 h 19 min
December7:38 AM4:06 PM8 h 28 min

Times for the 15th of each month, local time (America/Denver).

What is the weather like in Sioux Pass?

Sioux Pass has a cold semi-arid climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 6°F (-14°C).

It gets about 15.5 inches (394 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 30 inches fall in an average year.

The best time to visit Sioux Pass is May–June and August–September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

Webcams near Sioux Pass

The closest live webcam is Grassy Butte, 61.1 miles SE of Sioux Pass.

Grassy ButteGrassy Butte · 61.1 mi SEOn Windy
Killdeer › North: RoundaboutKilldeer · 82.7 mi SEOn Windy
Medora › North-west: Coal Vein Nature TrailMedora · 83.3 mi SEOn Windy
MarmarthMarmarth · 113.5 mi SOn Windy
MinotMinot · 141.8 mi EOn Windy

Webcams: Windy.com. Distances in a straight line from Sioux Pass.

Do you know Sioux Pass? Tell us about it

Help other travelers: share what makes Sioux Pass special. We review every message before publishing it.

Map of Sioux Pass, MT

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Sioux Pass Street View

Loading Street View…

Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.

Open in Google Maps ›

Towns near Sioux Pass

Other communities near Sioux Pass

Questions about Sioux Pass

Where is Sioux Pass, MT?

Sioux Pass is an unincorporated community in Richland County, Montana, 13.6 miles E of Fairview.

What county is Sioux Pass in?

Sioux Pass is in Richland County, Montana.

What is the ZIP code of Sioux Pass, MT?

The ZIP code for Sioux Pass is 59221.

What is the nearest town to Sioux Pass?

Fairview, 13.6 miles away.

Are there webcams near Sioux Pass?

Yes. The closest is Grassy Butte, 61.1 miles away.

What is the hottest month in Sioux Pass?

July, with an average high of 87°F (30°C).

What is the coldest month in Sioux Pass?

January, with an average low of 6°F (-14°C).

How much does it rain in Sioux Pass?

About 15.5 inches (394 mm) a year; the wettest month is June.

Does it snow in Sioux Pass?

Yes, about 30 inches of snow fall in an average year.

When is the best time to visit Sioux Pass?

May–June and August–September, when temperatures are most pleasant and rainy days are fewer.

What climate does Sioux Pass have?

Cold semi-arid (Köppen BSk).

Last updated: