McHenry, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in McHenry now
Loading the National Weather Service forecast…
McHenry weather by the hour
McHenry weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of McHenry.
This week in McHenry
Sunrise, sunset and moon in McHenry
What is the weather usually like in McHenry?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 13°F average low
- 37.0 inprecipitation per year · 939 mm
- 34.5 insnowfall per year · 88 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit McHenry: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MC HENRY -WG STRATTON L&D, IL US (USC00115493), adjusted for the elevation of McHenry.
McHenry weather month by month
Sunrise and sunset in McHenry through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 AM | 4:47 PM | 9 h 29 min |
| February | 6:47 AM | 5:26 PM | 10 h 39 min |
| March | 7:03 AM | 7:00 PM | 11 h 57 min |
| April | 6:10 AM | 7:36 PM | 13 h 25 min |
| May | 5:29 AM | 8:09 PM | 14 h 39 min |
| June | 5:14 AM | 8:33 PM | 15 h 19 min |
| July | 5:28 AM | 8:29 PM | 15 h 1 min |
| August | 5:59 AM | 7:55 PM | 13 h 56 min |
| September | 6:32 AM | 7:04 PM | 12 h 32 min |
| October | 7:04 AM | 6:12 PM | 11 h 7 min |
| November | 6:42 AM | 4:32 PM | 9 h 50 min |
| December | 7:13 AM | 4:23 PM | 9 h 9 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in McHenry?
McHenry 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 13°F (-11°C).
It gets about 37.0 inches (939 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 35 inches fall in an average year.
The best time to visit McHenry is June to September. At 810 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 McHenry
Weather in towns near McHenry
Questions about the weather in McHenry
What is the hottest month in McHenry?
July, with an average high of 84°F (29°C).
What is the coldest month in McHenry?
January, with an average low of 13°F (-11°C).
How much does it rain in McHenry?
About 37.0 inches (939 mm) a year; the wettest month is June.
Does it snow in McHenry?
Yes, about 35 inches of snow fall in an average year.
When is the best time to visit McHenry?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does McHenry have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in McHenry in November?
Highs average 48°F and lows 29°F, with about 2.4 inches of precipitation.
What time is sunrise in McHenry?
Around 6:42 AM in mid-November, and sunset around 4:32 PM. Today’s exact times are shown above.
Where does this McHenry weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of McHenry.
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