Erwin, IN
Unincorporated community in Posey County, Indiana
Erwin is a small unincorporated community in Posey County, Indiana. It is 3.2 miles SE of Mount Vernon, the nearest town. Its ZIP code is 47620.
Erwin at a glance
- State
- Indiana
- County
- Posey County
- ZIP code
- 47620
- Nearest town
- Mount Vernon (3.2 mi)
- Time zone
- America/Chicago
- Coordinates
- 37.9800, -87.9192
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 · 88°F average high
- Januarycoldest month · 23°F average low
- 46.6 inprecipitation per year · 1,184 mm
- 8.4 insnowfall per year · 21 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Erwin: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MT VERNON, IN US (USC00126001), adjusted for the elevation of Erwin.
Erwin weather month by month
Sunrise and sunset in Erwin through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:04 AM | 4:57 PM | 9 h 52 min |
| February | 6:39 AM | 5:31 PM | 10 h 51 min |
| March | 7:00 AM | 7:00 PM | 11 h 59 min |
| April | 6:14 AM | 7:28 PM | 13 h 14 min |
| May | 5:39 AM | 7:56 PM | 14 h 16 min |
| June | 5:27 AM | 8:17 PM | 14 h 50 min |
| July | 5:40 AM | 8:15 PM | 14 h 35 min |
| August | 6:05 AM | 7:46 PM | 13 h 40 min |
| September | 6:32 AM | 7:01 PM | 12 h 28 min |
| October | 6:59 AM | 6:15 PM | 11 h 16 min |
| November | 6:31 AM | 4:41 PM | 10 h 10 min |
| December | 6:59 AM | 4:34 PM | 9 h 35 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Erwin?
Erwin has a humid subtropical climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 46.6 inches (1,184 mm) of precipitation a year. The wettest month is April and the driest is February. Snow is common: about 8 inches fall in an average year.
The best time to visit Erwin 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 Erwin
The closest live webcam is Mount Vernon: IN 62: 01-065-009-_-_-cam-1 SR 62 & State St, 3.7 miles SE of Erwin.
Webcams: Windy.com. Distances in a straight line from Erwin.
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Map of Erwin, IN
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Erwin Street View
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Questions about Erwin
Where is Erwin, IN?
Erwin is an unincorporated community in Posey County, Indiana, 3.2 miles SE of Mount Vernon.
What county is Erwin in?
Erwin is in Posey County, Indiana.
What is the ZIP code of Erwin, IN?
The ZIP code for Erwin is 47620.
What is the nearest town to Erwin?
Mount Vernon, 3.2 miles away.
Are there webcams near Erwin?
Yes. The closest is Mount Vernon: IN 62: 01-065-009-_-_-cam-1 SR 62 & State St, 3.7 miles away.
What is the hottest month in Erwin?
July, with an average high of 88°F (31°C).
What is the coldest month in Erwin?
January, with an average low of 23°F (-5°C).
How much does it rain in Erwin?
About 46.6 inches (1,184 mm) a year; the wettest month is April.
Does it snow in Erwin?
Yes, about 8 inches of snow fall in an average year.
When is the best time to visit Erwin?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Erwin have?
Humid subtropical (Köppen Cfa).
Last updated: