Green Valley, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Green Valley now
Loading the National Weather Service forecast…
Green Valley weather by the hour
Green Valley weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Green Valley.
This week in Green Valley
Sunrise, sunset and moon in Green Valley
What is the weather usually like in Green Valley?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 17°F average low
- 39.3 inprecipitation per year · 997 mm
- 12.9 insnowfall per year · 33 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Green Valley: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MASON CITY 4SE, IL US (USC00115413), adjusted for the elevation of Green Valley.
Green Valley weather month by month
Sunrise and sunset in Green Valley through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 AM | 4:58 PM | 9 h 40 min |
| February | 6:50 AM | 5:35 PM | 10 h 45 min |
| March | 7:08 AM | 7:06 PM | 11 h 58 min |
| April | 6:18 AM | 7:38 PM | 13 h 20 min |
| May | 5:40 AM | 8:09 PM | 14 h 29 min |
| June | 5:26 AM | 8:32 PM | 15 h 5 min |
| July | 5:39 AM | 8:29 PM | 14 h 49 min |
| August | 6:08 AM | 7:57 PM | 13 h 49 min |
| September | 6:38 AM | 7:09 PM | 12 h 30 min |
| October | 7:08 AM | 6:20 PM | 11 h 11 min |
| November | 6:43 AM | 4:42 PM | 9 h 59 min |
| December | 7:13 AM | 4:34 PM | 9 h 21 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Green Valley?
Green Valley has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (30°C), and the coldest is January, with average lows of 17°F (-9°C).
It gets about 39.3 inches (997 mm) of precipitation a year. The wettest month is July and the driest is December. Snow is common: about 13 inches fall in an average year.
The best time to visit Green Valley is May–June and August–September. At 535 ft of elevation, nights are mild most of the year. 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.
More about Green Valley
Weather in towns near Green Valley
Questions about the weather in Green Valley
What is the hottest month in Green Valley?
July, with an average high of 85°F (30°C).
What is the coldest month in Green Valley?
January, with an average low of 17°F (-9°C).
How much does it rain in Green Valley?
About 39.3 inches (997 mm) a year; the wettest month is July.
Does it snow in Green Valley?
Yes, about 13 inches of snow fall in an average year.
When is the best time to visit Green Valley?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Green Valley have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Green Valley in November?
Highs average 51°F and lows 31°F, with about 2.8 inches of precipitation.
What time is sunrise in Green Valley?
Around 6:43 AM in mid-November, and sunset around 4:42 PM. Today’s exact times are shown above.
Where does this Green Valley weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Green Valley.
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