Iona, IN
Unincorporated community in Knox County, Indiana
Iona is a small unincorporated community in Knox County, Indiana. It is 3.5 miles SW of Decker, the nearest town. Its ZIP code is 47640.
Iona at a glance
- State
- Indiana
- County
- Knox County
- ZIP code
- 47640
- Nearest town
- Decker (3.5 mi)
- Time zone
- America/Indiana/Vincennes
- Coordinates
- 38.5486, -87.4717
Weather in Iona now
Loading the National Weather Service forecast…
Iona weather by the hour
Iona weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Iona.
This week in Iona
Sunrise, sunset and moon in Iona
What is the weather usually like in Iona?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Januarycoldest month · 22°F average low
- 47.9 inprecipitation per year · 1,217 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Iona: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PETERSBURG 61 BRG, IN US (USC00126872), adjusted for the elevation of Iona.
Iona weather month by month
Sunrise and sunset in Iona through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:04 AM | 5:54 PM | 9 h 50 min |
| February | 7:38 AM | 6:29 PM | 10 h 50 min |
| March | 7:59 AM | 7:58 PM | 11 h 59 min |
| April | 7:11 AM | 8:27 PM | 13 h 15 min |
| May | 6:36 AM | 8:56 PM | 14 h 19 min |
| June | 6:23 AM | 9:17 PM | 14 h 53 min |
| July | 6:36 AM | 9:15 PM | 14 h 38 min |
| August | 7:03 AM | 8:45 PM | 13 h 42 min |
| September | 7:30 AM | 7:59 PM | 12 h 29 min |
| October | 7:57 AM | 7:13 PM | 11 h 15 min |
| November | 7:30 AM | 5:38 PM | 10 h 7 min |
| December | 7:58 AM | 5:31 PM | 9 h 32 min |
Times for the 15th of each month, local time (America/Indiana/Vincennes).
What is the weather like in Iona?
Iona has a hot-summer humid continental climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is January, with average lows of 22°F (-6°C).
It gets about 47.9 inches (1,217 mm) of precipitation a year. The wettest month is April and the driest is February.
The best time to visit Iona 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 Iona
The closest live webcam is Purcell: US 41: 2-041-050-0-1-rwis VINCENNES, 5.8 miles NW of Iona.
Webcams: Windy.com. Distances in a straight line from Iona.
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Map of Iona, IN
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Iona Street View
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Questions about Iona
Where is Iona, IN?
Iona is an unincorporated community in Knox County, Indiana, 3.5 miles SW of Decker.
What county is Iona in?
Iona is in Knox County, Indiana.
What is the ZIP code of Iona, IN?
The ZIP code for Iona is 47640.
What is the nearest town to Iona?
Decker, 3.5 miles away.
Are there webcams near Iona?
Yes. The closest is Purcell: US 41: 2-041-050-0-1-rwis VINCENNES, 5.8 miles away.
What is the hottest month in Iona?
July, with an average high of 86°F (30°C).
What is the coldest month in Iona?
January, with an average low of 22°F (-6°C).
How much does it rain in Iona?
About 47.9 inches (1,217 mm) a year; the wettest month is April.
Does it snow in Iona?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Iona?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Iona have?
Hot-summer humid continental (Köppen Dfa).
Last updated: