LaSalle, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in LaSalle now
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LaSalle weather by the hour
LaSalle weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of LaSalle.
This week in LaSalle
Sunrise, sunset and moon in LaSalle
What is the weather usually like in LaSalle?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 14°F average low
- 38.0 inprecipitation per year · 966 mm
- 28.5 insnowfall per year · 72 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit LaSalle: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PERU, IL US (USC00116753), adjusted for the elevation of LaSalle.
LaSalle weather month by month
Sunrise and sunset in LaSalle through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:18 AM | 4:53 PM | 9 h 35 min |
| February | 6:49 AM | 5:31 PM | 10 h 42 min |
| March | 7:06 AM | 7:04 PM | 11 h 58 min |
| April | 6:14 AM | 7:37 PM | 13 h 23 min |
| May | 5:35 AM | 8:09 PM | 14 h 34 min |
| June | 5:20 AM | 8:33 PM | 15 h 12 min |
| July | 5:34 AM | 8:29 PM | 14 h 55 min |
| August | 6:04 AM | 7:57 PM | 13 h 52 min |
| September | 6:35 AM | 7:07 PM | 12 h 31 min |
| October | 7:07 AM | 6:17 PM | 11 h 9 min |
| November | 6:43 AM | 4:38 PM | 9 h 55 min |
| December | 7:13 AM | 4:29 PM | 9 h 15 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in LaSalle?
LaSalle 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 14°F (-10°C).
It gets about 38.0 inches (966 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 29 inches fall in an average year.
The best time to visit LaSalle is May–June and August–September. At 518 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 LaSalle
Weather in towns near LaSalle
Questions about the weather in LaSalle
What is the hottest month in LaSalle?
July, with an average high of 84°F (29°C).
What is the coldest month in LaSalle?
January, with an average low of 14°F (-10°C).
How much does it rain in LaSalle?
About 38.0 inches (966 mm) a year; the wettest month is June.
Does it snow in LaSalle?
Yes, about 29 inches of snow fall in an average year.
When is the best time to visit LaSalle?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does LaSalle have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in LaSalle in November?
Highs average 49°F and lows 30°F, with about 2.7 inches of precipitation.
What time is sunrise in LaSalle?
Around 6:43 AM in mid-November, and sunset around 4:38 PM. Today’s exact times are shown above.
Where does this LaSalle weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of LaSalle.
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