Interior, SD weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Interior now

Loading the National Weather Service forecast…

Interior weather by the hour

Interior weather for the next 7 days

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

This week in Interior

Sunrise, sunset and moon in Interior

What is the weather usually like in Interior?

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

Average high and low temperature (°F)

9°31°53°74°96°37°14°Jan41°16°Feb53°26°Mar62°35°Apr72°46°May83°56°Jun91°63°Jul91°60°Aug82°51°Sep66°38°Oct50°25°Nov39°17°Dec

Average precipitation (inches)

0.5"Jan0.6"Feb1.2"Mar2.3"Apr3.6"May3.5"Jun2.2"Jul1.8"Aug1.4"Sep1.6"Oct0.5"Nov0.5"Dec

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

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station INTERIOR 3 NE, SD US (USC00394184), adjusted for the elevation of Interior.

Interior weather month by month

January
37° 14°F
0.5 in of rain · 2 wet days❄ 5.5 in of snow
February
41° 16°F
0.6 in of rain · 2 wet days❄ 6.4 in of snow
March
53° 26°F
1.2 in of rain · 3 wet days❄ 5.9 in of snow
April
62° 35°F
2.3 in of rain · 5 wet days❄ 6.4 in of snow
May
72° 46°F
3.6 in of rain · 6 wet days❄ 0.5 in of snow
June
83° 56°F
3.5 in of rain · 7 wet days
July
91° 63°F
2.2 in of rain · 5 wet days
August
91° 60°F
1.8 in of rain · 4 wet days
September
82° 51°F
1.4 in of rain · 3 wet days
October
66° 38°F
1.6 in of rain · 3 wet days❄ 1.9 in of snow
November
50° 25°F
0.5 in of rain · 2 wet days❄ 3.7 in of snow
December
39° 17°F
0.5 in of rain · 2 wet days❄ 7.7 in of snow

Sunrise and sunset in Interior through the year

MonthSunriseSunsetDaylight
January7:16 AM4:38 PM9 h 21 min
February6:44 AM5:19 PM10 h 35 min
March6:57 AM6:55 PM11 h 57 min
April6:02 AM7:32 PM13 h 30 min
May5:20 AM8:08 PM14 h 47 min
June5:03 AM8:33 PM15 h 29 min
July5:18 AM8:29 PM15 h 10 min
August5:51 AM7:53 PM14 h 2 min
September6:26 AM6:59 PM12 h 33 min
October7:01 AM6:06 PM11 h 4 min
November6:41 AM4:24 PM9 h 43 min
December7:13 AM4:13 PM8 h 59 min

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

What is the weather like in Interior?

Interior has a hot-summer humid continental climate. The warmest month is July, with an average high of 91°F (33°C), and the coldest is January, with average lows of 14°F (-10°C).

It gets about 19.6 inches (498 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 38 inches fall in an average year.

The best time to visit Interior is May–June and August–September. At 2,382 ft of elevation, nights are mild most of the year. 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.

More about Interior

Weather in towns near Interior

Questions about the weather in Interior

What is the hottest month in Interior?

July, with an average high of 91°F (33°C).

What is the coldest month in Interior?

January, with an average low of 14°F (-10°C).

How much does it rain in Interior?

About 19.6 inches (498 mm) a year; the wettest month is May.

Does it snow in Interior?

Yes, about 38 inches of snow fall in an average year.

When is the best time to visit Interior?

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

What climate does Interior have?

Hot-summer humid continental (Köppen Dfa).

What is the weather like in Interior in November?

Highs average 50°F and lows 25°F, with about 0.5 inches of precipitation.

What time is sunrise in Interior?

Around 6:41 AM in mid-November, and sunset around 4:24 PM. Today’s exact times are shown above.

Where does this Interior weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Interior.

All about Interior ›

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