Weather in January
January, the same as
December, in
LaSalle,
Illinois, is a freezing cold winter month, with average temperature fluctuating between 14°F (-10°C) and 30°F (-1.1°C). With an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 14°F (-10°C), January is the coldest month.
Weather in January » Weather in February
February, the last month of the winter, in
LaSalle, is a wintry month, with average temperature ranging between min 18°F (-7.8°C) and max 36°F (2.2°C). In LaSalle,
Illinois, the average high-temperature in February slightly increases, from a freezing cold 30°F (-1.1°C) in
January, to a wintry 36°F (2.2°C).
Weather in February » Weather in March
March, the first month of the spring, in
LaSalle, is a chilly month, with average temperature varying between 28°F (-2.2°C) and 48°F (8.9°C). In LaSalle, the average high-temperature increases, from a wintry 36°F (2.2°C) in
February, to a frosty 48°F (8.9°C).
Weather in March »
Weather in April
April is an enjoyable spring month in
LaSalle,
Illinois, with average temperature ranging between min 39°F (3.9°C) and max 62.1°F (16.7°C). In LaSalle, the average high-temperature in April increases, from a chilly 48°F (8.9°C) in
March, to an enjoyable 62.1°F (16.7°C).
Weather in April » Weather in May
The last month of the spring,
May, is a pleasant month in
LaSalle,
Illinois, with average temperature fluctuating between 48.9°F (9.4°C) and 73°F (22.8°C). In May, the average high-temperature increases, from a comfortable 62.1°F (16.7°C) in
April, to a pleasant 73°F (22.8°C).
Weather in May »Weather in June
June, the first month of the summer, in
LaSalle, is a moderately hot month, with average temperature fluctuating between 82°F (27.8°C) and 59°F (15°C). In LaSalle, the average high-temperature in June increases, from an agreeable 73°F (22.8°C) in
May, to a warm 82°F (27.8°C).
Weather in June »
Weather in July
July, like
June, in
LaSalle,
Illinois, is a moderately hot summer month, with average temperature fluctuating between 84.9°F (29.4°C) and 63°F (17.2°C). July is the warmest month, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 63°F (17.2°C).
Weather in July » Weather in August
August, the last month of the summer, in
LaSalle, is another warm month, with average temperature fluctuating between 82.9°F (28.3°C) and 61°F (16.1°C). In August, the average high-temperature is almost the same as in
July - a still warm 82.9°F (28.3°C).
Weather in August » Weather in September
The first month of the autumn,
September, is still a warm month in
LaSalle,
Illinois, with average temperature varying between 77°F (25°C) and 52°F (11.1°C). In LaSalle, the average high-temperature in September slightly decreases, from 82.9°F (28.3°C) in
August, to a still moderately hot 77°F (25°C).
Weather in September »
Weather in October
October, like
September, in
LaSalle,
Illinois, is another enjoyable autumn month, with average temperature ranging between max 64°F (17.8°C) and min 41°F (5°C). In LaSalle, the average high-temperature decreases, from a warm 77°F (25°C) in September, to a comfortable 64°F (17.8°C).
Weather in October » Weather in November
The last month of the autumn,
November, is also a frosty month in
LaSalle,
Illinois, with average temperature varying between 30.9°F (-0.6°C) and 48.9°F (9.4°C). In LaSalle, the average high-temperature significantly decreases, from a comfortable 64°F (17.8°C) in
October, to a chilly 48.9°F (9.4°C).
Weather in November »Weather in December
The first month of the winter,
December, is also a wintry month in
LaSalle,
Illinois, with average temperature ranging between max 34°F (1.1°C) and min 18°F (-7.8°C). In December, the average high-temperature declines considerably, from a frosty 48.9°F (9.4°C) in
November, to a cold 34°F (1.1°C).
Weather in December » [Resources]