Lannon, WI weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Lannon now
Loading the National Weather Service forecast…
Lannon weather by the hour
Lannon weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Lannon.
This week in Lannon
Sunrise, sunset and moon in Lannon
What is the weather usually like in Lannon?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 11°F average low
- 36.8 inprecipitation per year · 935 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Lannon: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station RICHFIELD 3 SSW, WI US (USC00477148), adjusted for the elevation of Lannon.
Lannon weather month by month
Sunrise and sunset in Lannon through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 4:44 PM | 9 h 24 min |
| February | 6:48 AM | 5:25 PM | 10 h 36 min |
| March | 7:02 AM | 7:00 PM | 11 h 57 min |
| April | 6:08 AM | 7:36 PM | 13 h 28 min |
| May | 5:26 AM | 8:11 PM | 14 h 44 min |
| June | 5:10 AM | 8:35 PM | 15 h 25 min |
| July | 5:25 AM | 8:32 PM | 15 h 6 min |
| August | 5:57 AM | 7:57 PM | 13 h 59 min |
| September | 6:31 AM | 7:04 PM | 12 h 33 min |
| October | 7:05 AM | 6:11 PM | 11 h 6 min |
| November | 6:44 AM | 4:30 PM | 9 h 46 min |
| December | 7:15 AM | 4:19 PM | 9 h 3 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Lannon?
Lannon has a hot-summer humid continental climate. The warmest month is July, with an average high of 83°F (29°C), and the coldest is January, with average lows of 11°F (-12°C).
It gets about 36.8 inches (935 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Lannon is June to September. At 915 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 Lannon
Weather in towns near Lannon
Questions about the weather in Lannon
What is the hottest month in Lannon?
July, with an average high of 83°F (29°C).
What is the coldest month in Lannon?
January, with an average low of 11°F (-12°C).
How much does it rain in Lannon?
About 36.8 inches (935 mm) a year; the wettest month is June.
Does it snow in Lannon?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Lannon?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Lannon have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Lannon in November?
Highs average 45°F and lows 28°F, with about 2.3 inches of precipitation.
What time is sunrise in Lannon?
Around 6:44 AM in mid-November, and sunset around 4:30 PM. Today’s exact times are shown above.
Where does this Lannon weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Lannon.
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