Three River Junction, ID

Unincorporated community in Fremont County, Idaho

Three River Junction is a small unincorporated community in Fremont County, Idaho. It is 24.2 miles SW of Warm River, the nearest town.

Three River Junction at a glance

State
Idaho
County
Fremont County
Nearest town
Warm River (24.2 mi)
Time zone
America/Boise
Coordinates
44.2892, -110.8922

Weather in Three River Junction now

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Three River Junction weather by the hour

Three River Junction weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Three River Junction.

This week in Three River Junction

Sunrise, sunset and moon in Three River Junction

What is the weather usually like in Three River Junction?

Dfc
Subarctic climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

-4°17°39°60°81°28°1°Jan31°2°Feb39°10°Mar46°19°Apr55°29°May65°35°Jun76°39°Jul75°37°Aug65°30°Sep50°22°Oct35°10°Nov26°1°Dec

Average precipitation (inches)

2.1"Jan2.1"Feb2.2"Mar2.4"Apr2.7"May2.4"Jun1.3"Jul1.4"Aug1.7"Sep2.3"Oct2.2"Nov2.8"Dec

Best time to visit Three River Junction: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station OLD FAITHFUL, WY US (USC00486845), adjusted for the elevation of Three River Junction.

Three River Junction weather month by month

January
28° 1°F
2.1 in of rain · 7 wet days❄ 35.6 in of snow
February
31° 2°F
2.1 in of rain · 7 wet days❄ 29.9 in of snow
March
39° 10°F
2.2 in of rain · 7 wet days❄ 27.1 in of snow
April
46° 19°F
2.4 in of rain · 7 wet days❄ 17.1 in of snow
May
55° 29°F
2.7 in of rain · 7 wet days❄ 5.4 in of snow
June
65° 35°F
2.4 in of rain · 7 wet days❄ 0.6 in of snow
July
76° 39°F
1.3 in of rain · 4 wet days
August
75° 37°F
1.4 in of rain · 4 wet days
September
65° 30°F
1.7 in of rain · 4 wet days❄ 0.9 in of snow
October
50° 22°F
2.3 in of rain · 6 wet days❄ 9.0 in of snow
November
35° 10°F
2.2 in of rain · 7 wet days❄ 26.4 in of snow
December
26° 1°F
2.8 in of rain · 8 wet days❄ 45.0 in of snow

Sunrise and sunset in Three River Junction through the year

MonthSunriseSunsetDaylight
January7:53 AM5:12 PM9 h 18 min
February7:21 AM5:54 PM10 h 33 min
March7:33 AM7:31 PM11 h 57 min
April6:37 AM8:09 PM13 h 31 min
May5:54 AM8:45 PM14 h 50 min
June5:37 AM9:11 PM15 h 33 min
July5:52 AM9:06 PM15 h 14 min
August6:25 AM8:30 PM14 h 4 min
September7:01 AM7:35 PM12 h 34 min
October7:37 AM6:41 PM11 h 3 min
November7:18 AM4:58 PM9 h 40 min
December7:50 AM4:46 PM8 h 56 min

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

What is the weather like in Three River Junction?

Three River Junction has a subarctic climate. The warmest month is July, with an average high of 76°F (24°C), and the coldest is December, with average lows of 1°F (-17°C).

It gets about 25.6 inches (651 mm) of precipitation a year. The wettest month is December and the driest is July. Snow is common: about 197 inches fall in an average year.

The best time to visit Three River Junction is June to 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 Three River Junction

The closest live webcam is Island Park › North, 26.3 miles NW of Three River Junction.

Island Park › NorthIsland Park · 26.3 mi NWOn Windy
West Yellowstone › South-eastWest Yellowstone · 27.0 mi NOn Windy
West Yellowstone › EastWest Yellowstone · 27.8 mi NOn Windy
Tetonia › East: Grand Teton ClubTetonia · 35.7 mi SWOn Windy
Tetonia: TetonCamTetonia · 37.5 mi SOn Windy
Ashton › NorthAshton · 37.8 mi SWOn Windy

Webcams: Windy.com. Distances in a straight line from Three River Junction.

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Map of Three River Junction, ID

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

Three River Junction Street View

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Towns near Three River Junction

Questions about Three River Junction

Where is Three River Junction, ID?

Three River Junction is an unincorporated community in Fremont County, Idaho, 24.2 miles SW of Warm River.

What county is Three River Junction in?

Three River Junction is in Fremont County, Idaho.

What is the nearest town to Three River Junction?

Warm River, 24.2 miles away.

Are there webcams near Three River Junction?

Yes. The closest is Island Park › North, 26.3 miles away.

What is the hottest month in Three River Junction?

July, with an average high of 76°F (24°C).

What is the coldest month in Three River Junction?

December, with an average low of 1°F (-17°C).

How much does it rain in Three River Junction?

About 25.6 inches (651 mm) a year; the wettest month is December.

Does it snow in Three River Junction?

Yes, about 197 inches of snow fall in an average year.

When is the best time to visit Three River Junction?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does Three River Junction have?

Subarctic (Köppen Dfc).

Last updated: