Rockford
Illinois, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Rockford, IL

The clear cityscape of the city of Rockford in Illinois, seen from above with a clear road network, river, a sunny and calm day with clear skies
The clear cityscape of the city of Rockford in Illinois, seen from above with a clear road network, river, a sunny and calm day with clear skies
Enero, the same as Diciembre, in Rockford, Illinois, is a freezing cold winter month, with average temperature fluctuating between 13.5°F (-10.3°C) and 29.5°F (-1.4°C). The coldest month is Enero, with an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 13.5°F (-10.3°C).

The last month of the winter, Febrero, is a wintry month in Rockford, Illinois, with average temperature varying between 34.2°F (1.2°C) and 17.8°F (-7.9°C). In Rockford, Illinois, the average high-temperature in Febrero is essentially the same as in Enero - a wintry 34.2°F (1.2°C).

Marzo, the first month of the spring, in Rockford, is a frosty month, with average temperature fluctuating between 27.5°F (-2.5°C) and 46.9°F (8.3°C). In Marzo, the average high-temperature increases, from a wintry 34.2°F (1.2°C) in Febrero, to a chilly 46.9°F (8.3°C).

Abril in Rockford, Illinois, is a mild spring month, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 60.6°F (15.9°C). In Rockford, the average high-temperature increases, from a frosty 46.9°F (8.3°C) in Marzo, to a moderate 60.6°F (15.9°C).

The last month of the spring, Mayo, is a pleasant month in Rockford, Illinois, with average temperature ranging between min 48.4°F (9.1°C) and max 71.8°F (22.1°C). In Mayo, the average high-temperature increases, from a mild 60.6°F (15.9°C) in Abril, to an agreeable 71.8°F (22.1°C). Weather in Mayo »

Junio, the first month of the summer, in Rockford, is a warm month, with average temperature fluctuating between 58.5°F (14.7°C) and 81.1°F (27.3°C). In Junio, the average high-temperature increases, from an agreeable 71.8°F (22.1°C) in Mayo, to a warm 81.1°F (27.3°C).

Julio, like Junio, in Rockford, Illinois, is a moderately hot summer month, with average temperature ranging between max 84.6°F (29.2°C) and min 63°F (17.2°C). With an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 63°F (17.2°C), Julio is the warmest month.

Agosto, the last month of the summer, in Rockford, is another warm month, with average temperature ranging between max 82.4°F (28°C) and min 61.3°F (16.3°C). In Agosto, the average high-temperature is practically the same as in Julio - a still warm 82.4°F (28°C).

Septiembre, the first month of the autumn, in Rockford, is also a moderately hot month, with average temperature fluctuating between 52.3°F (11.3°C) and 75.4°F (24.1°C). In Rockford, the average high-temperature in Septiembre marginally drops, from 82.4°F (28°C) in Agosto, to a still moderately hot 75.4°F (24.1°C).

Octubre, the same as Septiembre, is another enjoyable autumn month in Rockford, Illinois, with average temperature varying between 62.8°F (17.1°C) and 40.6°F (4.8°C). In Rockford, the average high-temperature in Octubre drops, from a moderately hot 75.4°F (24.1°C) in Septiembre, to an enjoyable 62.8°F (17.1°C).

Noviembre, the last month of the autumn, in Rockford, is also a frosty month, with temperature in the range of an average low of 30.4°F (-0.9°C) and an average high of 47.7°F (8.7°C). In Noviembre, the average high-temperature plummets, from an enjoyable 62.8°F (17.1°C) in Octubre, to a frosty 47.7°F (8.7°C).

The first month of the winter, Diciembre, is also a wintry month in Rockford, Illinois, with average temperature fluctuating between 17.8°F (-7.9°C) and 33.3°F (0.7°C). In Rockford, the average high-temperature in Diciembre decreases, from a chilly 47.7°F (8.7°C) in Noviembre, to a cold 33.3°F (0.7°C).

What is the coldest month in Rockford?

The coldest month is Enero, with an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 13.5°F (-10.3°C).

How much does it rain in Rockford?

In Rockford, Illinois, during the entire year, the rain falls for 119.3 days and collects up to 36.2" (919.6mm) of precipitation.

What is the driest month in Rockford?

Enero is the month with the least rainfall. Rain falls for 9.4 days and accumulates 1.37" (34.8mm) of precipitation.

When does it snow in Rockford?

Enero through Abril, Noviembre and Diciembre are months with snowfall.

How many days does it snow in Rockford?

In Rockford, during the entire year, snow falls for 28.3 days, and aggregates up to 36" (914.3mm) of snow.

What is the snowiest month in Rockford?

Enero is the month with the most snowfall in Rockford, Illinois. Snow falls for 8.2 days and accumulates 10.6" (269.2mm) of snow.

When it does not snow in Rockford?

Mayo through Octubre are months without snowfall in Rockford, Illinois.

What is the rainiest month in Rockford?

The month with the most rainfall in Rockford is Junio when the rain falls for 10.4 days and typically aggregates up to 4.65" (118.1mm) of precipitation.

When are the longest days in Rockford?

The month with the longest days is Junio, with an average of 15.2h of daylight.

What is the warmest month in Rockford?

With an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 63°F (17.2°C), Julio is the warmest month in Rockford.

What is the month with the shortest days in Rockford?

The month with the shortest days is Diciembre, with an average of 9.1h of daylight.
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).