Signal Hill, IL
Unincorporated community in St. Clair County, Illinois
Signal Hill is a small unincorporated community in St. Clair County, Illinois. It is 3.1 miles NE of Fairview Heights, the nearest town. Its ZIP code is 62203.
Signal Hill at a glance
- State
- Illinois
- County
- St. Clair County
- ZIP code
- 62203
- Nearest town
- Fairview Heights (3.1 mi)
- Time zone
- America/Chicago
- Coordinates
- 38.5772, -90.0567
Weather in Signal Hill now
Loading the National Weather Service forecast…
Signal Hill weather by the hour
Signal Hill weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Signal Hill.
This week in Signal Hill
Sunrise, sunset and moon in Signal Hill
What is the weather usually like in Signal Hill?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 24°F average low
- 40.8 inprecipitation per year · 1,037 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Signal Hill: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CAHOKIA ST LOUIS AP, IL US (USW00003960), adjusted for the elevation of Signal Hill.
Signal Hill weather month by month
Sunrise and sunset in Signal Hill through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:14 AM | 5:04 PM | 9 h 49 min |
| February | 6:49 AM | 5:39 PM | 10 h 50 min |
| March | 7:09 AM | 7:08 PM | 11 h 59 min |
| April | 6:22 AM | 7:38 PM | 13 h 15 min |
| May | 5:46 AM | 8:06 PM | 14 h 19 min |
| June | 5:33 AM | 8:27 PM | 14 h 54 min |
| July | 5:46 AM | 8:25 PM | 14 h 38 min |
| August | 6:13 AM | 7:56 PM | 13 h 42 min |
| September | 6:40 AM | 7:09 PM | 12 h 29 min |
| October | 7:08 AM | 6:23 PM | 11 h 15 min |
| November | 6:41 AM | 4:48 PM | 10 h 7 min |
| December | 7:09 AM | 4:41 PM | 9 h 32 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Signal Hill?
Signal Hill has a humid subtropical climate. The warmest month is July, with an average high of 89°F (32°C), and the coldest is January, with average lows of 24°F (-4°C).
It gets about 40.8 inches (1,037 mm) of precipitation a year. The wettest month is May and the driest is February.
The best time to visit Signal Hill 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 Signal Hill
The closest live webcam is Cabanne Place › North: World Chess Hall of Fame, 11.9 miles NW of Signal Hill.
Webcams: Windy.com. Distances in a straight line from Signal Hill.
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Map of Signal Hill, IL
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Signal Hill Street View
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Open in Google Maps ›Towns near Signal Hill
Other communities near Signal Hill
Questions about Signal Hill
Where is Signal Hill, IL?
Signal Hill is an unincorporated community in St. Clair County, Illinois, 3.1 miles NE of Fairview Heights.
What county is Signal Hill in?
Signal Hill is in St. Clair County, Illinois.
What is the ZIP code of Signal Hill, IL?
The ZIP code for Signal Hill is 62203.
What is the nearest town to Signal Hill?
Fairview Heights, 3.1 miles away.
Are there webcams near Signal Hill?
Yes. The closest is Cabanne Place › North: World Chess Hall of Fame, 11.9 miles away.
What is the hottest month in Signal Hill?
July, with an average high of 89°F (32°C).
What is the coldest month in Signal Hill?
January, with an average low of 24°F (-4°C).
How much does it rain in Signal Hill?
About 40.8 inches (1,037 mm) a year; the wettest month is May.
Does it snow in Signal Hill?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Signal Hill?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Signal Hill have?
Humid subtropical (Köppen Cfa).
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