Pomona, IL
Unincorporated community in Union County, Illinois
Pomona is a small unincorporated community in Union County, Illinois. It is 3.9 miles S of Alto Pass, the nearest town. Its ZIP code is 62975.
Pomona at a glance
- State
- Illinois
- County
- Union County
- ZIP code
- 62975
- Nearest town
- Alto Pass (3.9 mi)
- Time zone
- America/Chicago
- Coordinates
- 37.6281, -89.3367
Weather in Pomona now
Loading the National Weather Service forecast…
Pomona weather by the hour
Pomona weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Pomona.
This week in Pomona
Sunrise, sunset and moon in Pomona
What is the weather usually like in Pomona?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Januarycoldest month · 25°F average low
- 44.0 inprecipitation per year · 1,118 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Pomona: May–June and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CARBONDALE SOUTHERN IL AP, IL US (USW00093810), adjusted for the elevation of Pomona.
Pomona weather month by month
Sunrise and sunset in Pomona through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:09 AM | 5:04 PM | 9 h 54 min |
| February | 6:44 AM | 5:37 PM | 10 h 52 min |
| March | 7:06 AM | 7:05 PM | 11 h 59 min |
| April | 6:20 AM | 7:34 PM | 13 h 13 min |
| May | 5:46 AM | 8:01 PM | 14 h 15 min |
| June | 5:33 AM | 8:22 PM | 14 h 48 min |
| July | 5:46 AM | 8:20 PM | 14 h 33 min |
| August | 6:12 AM | 7:51 PM | 13 h 39 min |
| September | 6:38 AM | 7:06 PM | 12 h 28 min |
| October | 7:04 AM | 6:21 PM | 11 h 17 min |
| November | 6:36 AM | 4:47 PM | 10 h 11 min |
| December | 7:03 AM | 4:41 PM | 9 h 37 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Pomona?
Pomona 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 25°F (-4°C).
It gets about 44.0 inches (1,118 mm) of precipitation a year. The wettest month is April and the driest is February.
The best time to visit Pomona is May–June and September–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 Pomona
The closest live webcam is Perryville, 29.5 miles W of Pomona.
Webcams: Windy.com. Distances in a straight line from Pomona.
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Map of Pomona, IL
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Pomona Street View
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Open in Google Maps ›Towns near Pomona
Other communities near Pomona
Questions about Pomona
Where is Pomona, IL?
Pomona is an unincorporated community in Union County, Illinois, 3.9 miles S of Alto Pass.
What county is Pomona in?
Pomona is in Union County, Illinois.
What is the ZIP code of Pomona, IL?
The ZIP code for Pomona is 62975.
What is the nearest town to Pomona?
Alto Pass, 3.9 miles away.
Are there webcams near Pomona?
Yes. The closest is Perryville, 29.5 miles away.
What is the hottest month in Pomona?
July, with an average high of 88°F (31°C).
What is the coldest month in Pomona?
January, with an average low of 25°F (-4°C).
How much does it rain in Pomona?
About 44.0 inches (1,118 mm) a year; the wettest month is April.
Does it snow in Pomona?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Pomona?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Pomona have?
Humid subtropical (Köppen Cfa).
Last updated: