Erwin, SD weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Erwin now
Loading the National Weather Service forecast…
Erwin weather by the hour
Erwin weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Erwin.
This week in Erwin
Sunrise, sunset and moon in Erwin
What is the weather usually like in Erwin?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 81°F average high
- Januarycoldest month · 4°F average low
- 25.9 inprecipitation per year · 659 mm
- 41.4 insnowfall per year · 105 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Erwin: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DE SMET, SD US (USC00392302), adjusted for the elevation of Erwin.
Erwin weather month by month
Sunrise and sunset in Erwin through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:00 AM | 5:17 PM | 9 h 16 min |
| February | 7:27 AM | 6:00 PM | 10 h 32 min |
| March | 7:39 AM | 7:37 PM | 11 h 57 min |
| April | 6:43 AM | 8:15 PM | 13 h 32 min |
| May | 6:00 AM | 8:52 PM | 14 h 52 min |
| June | 5:42 AM | 9:18 PM | 15 h 35 min |
| July | 5:57 AM | 9:13 PM | 15 h 15 min |
| August | 6:31 AM | 8:36 PM | 14 h 5 min |
| September | 7:07 AM | 7:42 PM | 12 h 34 min |
| October | 7:43 AM | 6:47 PM | 11 h 3 min |
| November | 7:24 AM | 5:03 PM | 9 h 39 min |
| December | 7:57 AM | 4:52 PM | 8 h 54 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Erwin?
Erwin has a warm-summer humid continental climate. The warmest month is July, with an average high of 81°F (27°C), and the coldest is January, with average lows of 4°F (-15°C).
It gets about 25.9 inches (659 mm) of precipitation a year. The wettest month is June and the driest is January. Snow is common: about 41 inches fall in an average year.
The best time to visit Erwin is June to September. At 1,873 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 Erwin
Weather in towns near Erwin
Questions about the weather in Erwin
What is the hottest month in Erwin?
July, with an average high of 81°F (27°C).
What is the coldest month in Erwin?
January, with an average low of 4°F (-15°C).
How much does it rain in Erwin?
About 25.9 inches (659 mm) a year; the wettest month is June.
Does it snow in Erwin?
Yes, about 41 inches of snow fall in an average year.
When is the best time to visit Erwin?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Erwin have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Erwin in November?
Highs average 40°F and lows 21°F, with about 1.0 inches of precipitation.
What time is sunrise in Erwin?
Around 7:24 AM in mid-November, and sunset around 5:03 PM. Today’s exact times are shown above.
Where does this Erwin weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Erwin.
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