Gerlaw, IL
Unincorporated community in Warren County, Illinois
Gerlaw is a small unincorporated community in Warren County, Illinois. It is 5.5 miles SW of Monmouth, the nearest town. Its ZIP code is 61435.
Gerlaw at a glance
- State
- Illinois
- County
- Warren County
- ZIP code
- 61435
- Nearest town
- Monmouth (5.5 mi)
- Time zone
- America/Chicago
- Coordinates
- 40.9869, -90.6017
Weather in Gerlaw now
Loading the National Weather Service forecast…
Gerlaw weather by the hour
Gerlaw weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Gerlaw.
This week in Gerlaw
Sunrise, sunset and moon in Gerlaw
What is the weather usually like in Gerlaw?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 15°F average low
- 39.4 inprecipitation per year · 1,001 mm
- 25.6 insnowfall per year · 65 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Gerlaw: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MONMOUTH, IL US (USC00115768), adjusted for the elevation of Gerlaw.
Gerlaw weather month by month
Sunrise and sunset in Gerlaw through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:23 AM | 5:00 PM | 9 h 37 min |
| February | 6:54 AM | 5:38 PM | 10 h 43 min |
| March | 7:12 AM | 7:10 PM | 11 h 58 min |
| April | 6:21 AM | 7:43 PM | 13 h 22 min |
| May | 5:42 AM | 8:14 PM | 14 h 32 min |
| June | 5:28 AM | 8:37 PM | 15 h 9 min |
| July | 5:42 AM | 8:34 PM | 14 h 52 min |
| August | 6:11 AM | 8:02 PM | 13 h 51 min |
| September | 6:41 AM | 7:13 PM | 12 h 31 min |
| October | 7:12 AM | 6:23 PM | 11 h 10 min |
| November | 6:48 AM | 4:45 PM | 9 h 56 min |
| December | 7:18 AM | 4:36 PM | 9 h 17 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Gerlaw?
Gerlaw has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 15°F (-10°C).
It gets about 39.4 inches (1,001 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 26 inches fall in an average year.
The best time to visit Gerlaw is June to 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 Gerlaw
The closest live webcam is Gulf Port: D5 - US 34 @ Mellinger Ave - IL (05), 28.1 miles SW of Gerlaw.
Webcams: Windy.com. Distances in a straight line from Gerlaw.
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Map of Gerlaw, IL
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Gerlaw Street View
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Questions about Gerlaw
Where is Gerlaw, IL?
Gerlaw is an unincorporated community in Warren County, Illinois, 5.5 miles SW of Monmouth.
What county is Gerlaw in?
Gerlaw is in Warren County, Illinois.
What is the ZIP code of Gerlaw, IL?
The ZIP code for Gerlaw is 61435.
What is the nearest town to Gerlaw?
Monmouth, 5.5 miles away.
Are there webcams near Gerlaw?
Yes. The closest is Gulf Port: D5 - US 34 @ Mellinger Ave - IL (05), 28.1 miles away.
What is the hottest month in Gerlaw?
July, with an average high of 84°F (29°C).
What is the coldest month in Gerlaw?
January, with an average low of 15°F (-10°C).
How much does it rain in Gerlaw?
About 39.4 inches (1,001 mm) a year; the wettest month is May.
Does it snow in Gerlaw?
Yes, about 26 inches of snow fall in an average year.
When is the best time to visit Gerlaw?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Gerlaw have?
Hot-summer humid continental (Köppen Dfa).
Last updated: