Roslyn, IL
Unincorporated community in Effingham County, Illinois
Roslyn is a small unincorporated community in Effingham County, Illinois. It is 4.4 miles S of Montrose, the nearest town. Its ZIP code is 62462.
Roslyn at a glance
- State
- Illinois
- County
- Effingham County
- ZIP code
- 62462
- Nearest town
- Montrose (4.4 mi)
- Time zone
- America/Chicago
- Coordinates
- 39.2294, -88.3781
Weather in Roslyn now
Loading the National Weather Service forecast…
Roslyn weather by the hour
Roslyn weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Roslyn.
This week in Roslyn
Sunrise, sunset and moon in Roslyn
What is the weather usually like in Roslyn?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 19°F average low
- 41.9 inprecipitation per year · 1,064 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Roslyn: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station NEOGA 4NW, IL US (USC00116025), adjusted for the elevation of Roslyn.
Roslyn weather month by month
Sunrise and sunset in Roslyn through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:09 AM | 4:56 PM | 9 h 46 min |
| February | 6:43 AM | 5:31 PM | 10 h 48 min |
| March | 7:02 AM | 7:01 PM | 11 h 58 min |
| April | 6:14 AM | 7:32 PM | 13 h 17 min |
| May | 5:38 AM | 8:01 PM | 14 h 23 min |
| June | 5:25 AM | 8:23 PM | 14 h 58 min |
| July | 5:38 AM | 8:20 PM | 14 h 42 min |
| August | 6:05 AM | 7:50 PM | 13 h 45 min |
| September | 6:33 AM | 7:03 PM | 12 h 29 min |
| October | 7:02 AM | 6:16 PM | 11 h 14 min |
| November | 6:35 AM | 4:40 PM | 10 h 4 min |
| December | 7:04 AM | 4:33 PM | 9 h 28 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Roslyn?
Roslyn 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 19°F (-7°C).
It gets about 41.9 inches (1,064 mm) of precipitation a year. The wettest month is June and the driest is February.
The best time to visit Roslyn 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 Roslyn
The closest live webcam is Mattoon, 17.4 miles N of Roslyn.
Webcams: Windy.com. Distances in a straight line from Roslyn.
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Map of Roslyn, IL
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Roslyn Street View
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Open in Google Maps ›Towns near Roslyn
Other communities near Roslyn
Questions about Roslyn
Where is Roslyn, IL?
Roslyn is an unincorporated community in Effingham County, Illinois, 4.4 miles S of Montrose.
What county is Roslyn in?
Roslyn is in Effingham County, Illinois.
What is the ZIP code of Roslyn, IL?
The ZIP code for Roslyn is 62462.
What is the nearest town to Roslyn?
Montrose, 4.4 miles away.
Are there webcams near Roslyn?
Yes. The closest is Mattoon, 17.4 miles away.
What is the hottest month in Roslyn?
July, with an average high of 87°F (31°C).
What is the coldest month in Roslyn?
January, with an average low of 19°F (-7°C).
How much does it rain in Roslyn?
About 41.9 inches (1,064 mm) a year; the wettest month is June.
Does it snow in Roslyn?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Roslyn?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Roslyn have?
Hot-summer humid continental (Köppen Dfa).
Last updated: