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United StatesThe climate of LaSalle
The current climate in LaSalle features temperatures ranging from a high of 29°C to a low of 0°C throughout the year. The average yearly temperature is around 17°C. At night, temperatures in the colder months average around -8°C and in the warmer months around 18°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for LaSalle, Illinois.
Temperature records
The highest temperature recorded in LaSalle in recent years was 38°C in September 2016. The lowest daytime temperature recorded was -24°C in January 2019.
Precipitation and snowfall
On average, LaSalle gets 1145 mm of precipitation each year. Of this, about 95 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit LaSalle?
The best time to visit LaSalle for mild to warm weather is April up to October. You might get some rain, but the temperatures are just right to explore LaSalle.
Climate Table of LaSalle
The climate table of LaSalle shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 0 | 1 | 9 | 16 | 23 | 29 | 29 | 28 | 26 | 18 | 11 | 5 |
| Temp. min (°C) | -7 | -8 | 0 | 5 | 12 | 18 | 19 | 18 | 15 | 8 | 1 | -3 |
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| Precipitation (mm) | 39 | 65 | 87 | 118 | 190 | 107 | 137 | 76 | 135 | 86 | 58 | 47 |
| Snow (cm) | 32 | 31 | 10 | 6,6 | 0 | 0 | 0 | 0 | 0 | 1,5 | 7,5 | 6,6 |
| UV Index | 2 | 3 | 3 | 4 | 2 | 7 | 6 | 5 | 5 | 4 | 2 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in LaSalle, Illinois. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in LaSalle
Yearly Temperature in LaSalle
Precipitation charts
These charts show the average amount of precipitation in LaSalle, Illinois. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in LaSalle
Total Yearly Precipitation in LaSalle
Average Snowfall per Month in LaSalle
Total Yearly Snowfall in LaSalle
UV index chart
This chart shows the average UV index per month in LaSalle, Illinois. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in LaSalle
Weather experiences in LaSalle
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Average weather in LaSalle by month
Click on a month below to see detailed weather info for LaSalle. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.