Saint Mary, IL
Unincorporated community in Hancock County, Illinois
Saint Mary is a small unincorporated community in Hancock County, Illinois. It is 3.8 miles S of Plymouth, the nearest town. Its ZIP code is 62374.
Saint Mary at a glance
- State
- Illinois
- County
- Hancock County
- ZIP code
- 62374
- Nearest town
- Plymouth (3.8 mi)
- Time zone
- America/Chicago
- Coordinates
- 40.3461, -90.9339
Weather in Saint Mary now
Loading the National Weather Service forecast…
Saint Mary weather by the hour
Saint Mary weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Saint Mary.
This week in Saint Mary
Sunrise, sunset and moon in Saint Mary
What is the weather usually like in Saint Mary?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Januarycoldest month · 18°F average low
- 40.1 inprecipitation per year · 1,019 mm
- 23.1 insnowfall per year · 59 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Saint Mary: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station BENTLEY, IL US (USC00110598), adjusted for the elevation of Saint Mary.
Saint Mary weather month by month
Sunrise and sunset in Saint Mary through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:22 AM | 5:03 PM | 9 h 40 min |
| February | 6:55 AM | 5:40 PM | 10 h 45 min |
| March | 7:13 AM | 7:11 PM | 11 h 58 min |
| April | 6:23 AM | 7:43 PM | 13 h 20 min |
| May | 5:45 AM | 8:14 PM | 14 h 28 min |
| June | 5:31 AM | 8:37 PM | 15 h 5 min |
| July | 5:45 AM | 8:34 PM | 14 h 48 min |
| August | 6:13 AM | 8:02 PM | 13 h 49 min |
| September | 6:43 AM | 7:14 PM | 12 h 30 min |
| October | 7:13 AM | 6:25 PM | 11 h 11 min |
| November | 6:48 AM | 4:48 PM | 9 h 59 min |
| December | 7:18 AM | 4:39 PM | 9 h 21 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Saint Mary?
Saint Mary 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 18°F (-8°C).
It gets about 40.1 inches (1,019 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 23 inches fall in an average year.
The best time to visit Saint Mary 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 Saint Mary
The closest live webcam is Macomb › South-east: Macombopoly, 15.9 miles NE of Saint Mary.
Webcams: Windy.com. Distances in a straight line from Saint Mary.
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Map of Saint Mary, IL
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Saint Mary Street View
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Open in Google Maps ›Towns near Saint Mary
Other communities near Saint Mary
Questions about Saint Mary
Where is Saint Mary, IL?
Saint Mary is an unincorporated community in Hancock County, Illinois, 3.8 miles S of Plymouth.
What county is Saint Mary in?
Saint Mary is in Hancock County, Illinois.
What is the ZIP code of Saint Mary, IL?
The ZIP code for Saint Mary is 62374.
What is the nearest town to Saint Mary?
Plymouth, 3.8 miles away.
Are there webcams near Saint Mary?
Yes. The closest is Macomb › South-east: Macombopoly, 15.9 miles away.
What is the hottest month in Saint Mary?
July, with an average high of 86°F (30°C).
What is the coldest month in Saint Mary?
January, with an average low of 18°F (-8°C).
How much does it rain in Saint Mary?
About 40.1 inches (1,019 mm) a year; the wettest month is May.
Does it snow in Saint Mary?
Yes, about 23 inches of snow fall in an average year.
When is the best time to visit Saint Mary?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Saint Mary have?
Hot-summer humid continental (Köppen Dfa).
Last updated: