Posen, IL
Unincorporated community in Washington County, Illinois
Posen is a small unincorporated community in Washington County, Illinois. It is 6.7 miles NW of Nashville, the nearest town. Its ZIP code is 62263.
Posen at a glance
- State
- Illinois
- County
- Washington County
- ZIP code
- 62263
- Nearest town
- Nashville (6.7 mi)
- Time zone
- America/Chicago
- Coordinates
- 38.2583, -89.3356
Weather in Posen now
Loading the National Weather Service forecast…
Posen weather by the hour
Posen weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Posen.
This week in Posen
Sunrise, sunset and moon in Posen
What is the weather usually like in Posen?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 21°F average low
- 42.2 inprecipitation per year · 1,072 mm
- 11.7 insnowfall per year · 30 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Posen: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station NASHVILLE 1 E, IL US (USC00116011), adjusted for the elevation of Posen.
Posen weather month by month
Sunrise and sunset in Posen through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:11 AM | 5:02 PM | 9 h 51 min |
| February | 6:45 AM | 5:37 PM | 10 h 51 min |
| March | 7:06 AM | 7:05 PM | 11 h 59 min |
| April | 6:19 AM | 7:34 PM | 13 h 15 min |
| May | 5:44 AM | 8:02 PM | 14 h 18 min |
| June | 5:31 AM | 8:23 PM | 14 h 52 min |
| July | 5:44 AM | 8:21 PM | 14 h 36 min |
| August | 6:10 AM | 7:52 PM | 13 h 41 min |
| September | 6:37 AM | 7:06 PM | 12 h 28 min |
| October | 7:05 AM | 6:20 PM | 11 h 15 min |
| November | 6:37 AM | 4:46 PM | 10 h 9 min |
| December | 7:05 AM | 4:39 PM | 9 h 34 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Posen?
Posen has a hot-summer humid continental climate. The warmest month is July, with an average high of 87°F (31°C), and the coldest is January, with average lows of 21°F (-6°C).
It gets about 42.2 inches (1,072 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 12 inches fall in an average year.
The best time to visit Posen 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 Posen
The closest live webcam is Sparta: Sparta Community Airport, 22.0 miles SW of Posen.
Webcams: Windy.com. Distances in a straight line from Posen.
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Map of Posen, IL
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Posen Street View
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Other communities near Posen
Questions about Posen
Where is Posen, IL?
Posen is an unincorporated community in Washington County, Illinois, 6.7 miles NW of Nashville.
What county is Posen in?
Posen is in Washington County, Illinois.
What is the ZIP code of Posen, IL?
The ZIP code for Posen is 62263.
What is the nearest town to Posen?
Nashville, 6.7 miles away.
Are there webcams near Posen?
Yes. The closest is Sparta: Sparta Community Airport, 22.0 miles away.
What is the hottest month in Posen?
July, with an average high of 87°F (31°C).
What is the coldest month in Posen?
January, with an average low of 21°F (-6°C).
How much does it rain in Posen?
About 42.2 inches (1,072 mm) a year; the wettest month is May.
Does it snow in Posen?
Yes, about 12 inches of snow fall in an average year.
When is the best time to visit Posen?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Posen have?
Hot-summer humid continental (Köppen Dfa).
Last updated: