Riverton, IN

Unincorporated community in Sullivan County, Indiana

Riverton is a small unincorporated community in Sullivan County, Indiana. It is 2.5 miles N of Merom, the nearest town. Its ZIP code is 47861.

Riverton at a glance

State: Indiana
County: Sullivan County
ZIP code: 47861
Nearest town: Merom (2.5 mi)
Time zone: America/Indiana/Indianapolis
Coordinates: 39.0203, -87.5678

Weather in Riverton now

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Riverton weather by the hour

Riverton weather for the next 7 days

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

This week in Riverton

Sunrise, sunset and moon in Riverton

What is the weather usually like in Riverton?

Dfa

Hot-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Julywarmest month · 87°F average high
Januarycoldest month · 23°F average low
46.3 inprecipitation per year · 1,176 mm
11.6 insnowfall per year · 29 cm

Average high and low temperature (°F)

Average precipitation (inches)

Best time to visit Riverton: May and August to October, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PALESTINE, IL US (USC00116558), adjusted for the elevation of Riverton.

Riverton weather month by month

January

38° 23°F

3.5 in of rain · 6 wet days❄ 4.3 in of snow

February

44° 26°F

2.6 in of rain · 5 wet days❄ 2.2 in of snow

March

54° 35°F

3.6 in of rain · 7 wet days❄ 1.1 in of snow

April

67° 44°F

5.1 in of rain · 8 wet days

May

76° 55°F

4.9 in of rain · 8 wet days

June

84° 63°F

4.9 in of rain · 8 wet days

July

87° 66°F

4.2 in of rain · 7 wet days

August

86° 64°F

3.5 in of rain · 5 wet days

September

80° 56°F

3.6 in of rain · 5 wet days

October

68° 46°F

3.7 in of rain · 6 wet days❄ 0.1 in of snow

November

54° 35°F

3.6 in of rain · 6 wet days❄ 0.5 in of snow

December

42° 28°F

3.1 in of rain · 6 wet days❄ 3.4 in of snow

Sunrise and sunset in Riverton through the year

Month	Sunrise	Sunset	Daylight
January	8:05 AM	5:53 PM	9 h 47 min
February	7:39 AM	6:28 PM	10 h 49 min
March	7:59 AM	7:58 PM	11 h 58 min
April	7:11 AM	8:28 PM	13 h 17 min
May	6:35 AM	8:57 PM	14 h 22 min
June	6:22 AM	9:19 PM	14 h 56 min
July	6:35 AM	9:16 PM	14 h 41 min
August	7:02 AM	8:46 PM	13 h 44 min
September	7:30 AM	8:00 PM	12 h 29 min
October	7:58 AM	7:13 PM	11 h 14 min
November	7:32 AM	5:37 PM	10 h 5 min
December	8:00 AM	5:30 PM	9 h 29 min

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

What is the weather like in Riverton?

Riverton has a hot-summer humid continental climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 23°F (-5°C).

It gets about 46.3 inches (1,176 mm) of precipitation a year. The wettest month is April and the driest is February. Snow is common: about 12 inches fall in an average year.

The best time to visit Riverton is May and August to October. 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 Riverton

The closest live webcam is Sullivan: US 41: 2-041-084-5-1-rwis, 9.1 miles NE of Riverton.

Sullivan: US 41: 2-041-084-5-1-rwisSullivan · 9.1 mi NEOn Windy

Purcell: US 41: 2-041-050-0-1-rwis VINCENNESPurcell · 28.1 mi SOn Windy

State Line: I-70: 1-070-000-9-1 @ NATIONAL AVEState Line · 29.1 mi NOn Windy

State Line: I-70: 1-070-001-7-eb-ra-cam-2 I-70/1.7 EB REST AREA 2State Line · 29.4 mi NOn Windy

State Line: I-70: 1-070-001-7-eb-ra-cam-1 I-70/1.7 EB REST AREA 1State Line · 29.4 mi NOn Windy

State Line: I-70: 1-070-001-7-eb-ra-cam-4 I-70/1.7 EB REST AREA 4State Line · 29.4 mi NOn Windy

State Line: I-70: 1-070-001-7-eb-ra-cam-3 I-70/1.7 EB REST AREA 3State Line · 29.5 mi NOn Windy

Terre Haute: I-70: 1-070-006-9-1 @ US 41Terre Haute · 29.5 mi NOn Windy

Larimer Hill: I-70: 1-070-003-4-1 Darwin RdLarimer Hill · 30.0 mi NOn Windy

Webcams: Windy.com. Distances in a straight line from Riverton.

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

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Map of Riverton, IN

Riverton Street View

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Towns near Riverton

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Questions about Riverton

Where is Riverton, IN?

Riverton is an unincorporated community in Sullivan County, Indiana, 2.5 miles N of Merom.

What county is Riverton in?

Riverton is in Sullivan County, Indiana.

What is the ZIP code of Riverton, IN?

The ZIP code for Riverton is 47861.

What is the nearest town to Riverton?

Merom, 2.5 miles away.

Are there webcams near Riverton?

Yes. The closest is Sullivan: US 41: 2-041-084-5-1-rwis, 9.1 miles away.

What is the hottest month in Riverton?

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

What is the coldest month in Riverton?

January, with an average low of 23°F (-5°C).

How much does it rain in Riverton?

About 46.3 inches (1,176 mm) a year; the wettest month is April.

Does it snow in Riverton?

Yes, about 12 inches of snow fall in an average year.

When is the best time to visit Riverton?

May and August to October, when temperatures are most pleasant and rainy days are fewer.

What climate does Riverton have?

Hot-summer humid continental (Köppen Dfa).

Last updated: November 15, 2026