Sinclair, IL
Unincorporated community in Morgan County, Illinois
Sinclair is a small unincorporated community in Morgan County, Illinois. It is 5.3 miles NW of Literberry, the nearest town. Its ZIP code is 62601.
Sinclair at a glance
- State
- Illinois
- County
- Morgan County
- ZIP code
- 62601
- Nearest town
- Literberry (5.3 mi)
- Time zone
- America/Chicago
- Coordinates
- 39.8022, -90.1217
Weather in Sinclair now
Loading the National Weather Service forecast…
Sinclair weather by the hour
Sinclair weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Sinclair.
This week in Sinclair
Sunrise, sunset and moon in Sinclair
What is the weather usually like in Sinclair?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 18°F average low
- 39.3 inprecipitation per year · 997 mm
- 16.2 insnowfall per year · 41 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Sinclair: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station JACKSONVILLE 2E, IL US (USC00114442), adjusted for the elevation of Sinclair.
Sinclair weather month by month
Sunrise and sunset in Sinclair through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:18 AM | 5:01 PM | 9 h 43 min |
| February | 6:51 AM | 5:38 PM | 10 h 46 min |
| March | 7:09 AM | 7:08 PM | 11 h 58 min |
| April | 6:20 AM | 7:40 PM | 13 h 19 min |
| May | 5:43 AM | 8:09 PM | 14 h 26 min |
| June | 5:30 AM | 8:31 PM | 15 h 1 min |
| July | 5:43 AM | 8:29 PM | 14 h 45 min |
| August | 6:11 AM | 7:58 PM | 13 h 47 min |
| September | 6:40 AM | 7:10 PM | 12 h 30 min |
| October | 7:09 AM | 6:22 PM | 11 h 12 min |
| November | 6:44 AM | 4:46 PM | 10 h 2 min |
| December | 7:13 AM | 4:38 PM | 9 h 25 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Sinclair?
Sinclair has a hot-summer humid continental climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 18°F (-8°C).
It gets about 39.3 inches (997 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 16 inches fall in an average year.
The best time to visit Sinclair is May–June and August–September. 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 Sinclair
The closest live webcam is Springfield, 25.2 miles E of Sinclair.
Webcams: Windy.com. Distances in a straight line from Sinclair.
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Map of Sinclair, IL
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Sinclair Street View
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Questions about Sinclair
Where is Sinclair, IL?
Sinclair is an unincorporated community in Morgan County, Illinois, 5.3 miles NW of Literberry.
What county is Sinclair in?
Sinclair is in Morgan County, Illinois.
What is the ZIP code of Sinclair, IL?
The ZIP code for Sinclair is 62601.
What is the nearest town to Sinclair?
Literberry, 5.3 miles away.
Are there webcams near Sinclair?
Yes. The closest is Springfield, 25.2 miles away.
What is the hottest month in Sinclair?
July, with an average high of 87°F (30°C).
What is the coldest month in Sinclair?
January, with an average low of 18°F (-8°C).
How much does it rain in Sinclair?
About 39.3 inches (997 mm) a year; the wettest month is June.
Does it snow in Sinclair?
Yes, about 16 inches of snow fall in an average year.
When is the best time to visit Sinclair?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Sinclair have?
Hot-summer humid continental (Köppen Dfa).
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