Monthly weather forecast and climate
Rockford, IL

What is the coldest month in Rockford?

With an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 13.5°F (-10.3°C), January is the coldest month in Rockford.

How many days does it rain in Rockford?

Throughout the year, in Rockford, there are 119.3 rainfall days, and 36.2" (919.6mm) of precipitation is accumulated.

What is the driest month in Rockford?

The month with the least rainfall in Rockford, Illinois, is January when the rain falls for 9.4 days and typically collects 1.4" (34.8mm) of precipitation.

When does it snow in Rockford?

Months with snowfall in Rockford, Illinois, are January through April, November and December.

How many days does it snow in Rockford?

Throughout the year, there are 28.3 snowfall days, and 36" (914.3mm) of snow is accumulated.

When does it snow the most in Rockford?

The month with the most snowfall in Rockford, Illinois, is January when snow falls for 8.2 days and typically aggregates up to 10.6" (269.2mm) of snow.

What is the wettest month in Rockford?

June is the month with the most rainfall in Rockford. Rain falls for 10.4 days and accumulates 4.6" (118.1mm) of precipitation.

What is the warmest month in Rockford?

July is the warmest month in Rockford, Illinois, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 63°F (17.2°C).
Average temperature - Rockford, IL
Average rainfall - Rockford, IL
Average rainfall days - Rockford, IL

The month with the highest number of rainy days is May (12.2 days).
Months with the lowest number of rainy days are February and September (8.3 days).

Average snowfall - Rockford, IL
Average snowfall days - Rockford, IL

The month with the highest number of snowfall days is January (8.2 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight - Rockford, IL

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).

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