Climate and monthly weather forecast
Rockford, IA

Weather in January

January, like December, is another subzero cold winter month in Rockford, Iowa, with an average temperature fluctuating between 10°F (-12.2°C) and 22.5°F (-5.3°C). With an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 10°F (-12.2°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Rockford, Iowa, with an average temperature ranging between max 26.6°F (-3°C) and min 13.5°F (-10.3°C). In Rockford, the average high-temperature in February is relatively the same as in January - a still freezing cold 26.6°F (-3°C). Weather in February »

Weather in March

March, the first month of the spring in Rockford, is a cold month, with an average temperature fluctuating between 41.5°F (5.3°C) and 27.7°F (-2.4°C). In March, the average high-temperature soars, from a freezing cold 26.6°F (-3°C) in February, to a wintry 41.5°F (5.3°C). Weather in March »

Weather in April

April is a cool spring month in Rockford, Iowa, with an average temperature varying between 54.9°F (12.7°C) and 39.4°F (4.1°C). In April, the average high-temperature increases from a cold 41.5°F (5.3°C) in March to a cool 54.9°F (12.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Rockford, Iowa, with an average temperature ranging between min 50.5°F (10.3°C) and max 66.9°F (19.4°C). In Rockford, the average high-temperature in May increases from a cool 54.9°F (12.7°C) in April to a comfortable 66.9°F (19.4°C). Weather in May »

Weather in June

June, the first month of the summer in Rockford, is a warm month, with an average temperature ranging between min 60.6°F (15.9°C) and max 76.8°F (24.9°C). In June, the average high-temperature increases from an enjoyable 66.9°F (19.4°C) in May to a warm 76.8°F (24.9°C). Weather in June »

Weather in July

July, like June, in Rockford, Iowa, is another warm summer month, with an average temperature varying between 62.6°F (17°C) and 79.3°F (26.3°C). With an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.6°F (17°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Rockford, Iowa, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 59.9°F (15.5°C). In August, the average high-temperature is essentially the same as in July - a still warm 77.5°F (25.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Rockford, is still a pleasant month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 53.4°F (11.9°C). In Rockford, the average high-temperature in September is almost the same as in August - a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Rockford, Iowa, with an average temperature ranging between min 42.6°F (5.9°C) and max 57.6°F (14.2°C). In Rockford, the average high-temperature in October declines considerably from an agreeable 72.5°F (22.5°C) in September to a mild 57.6°F (14.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Rockford, is another chilly month, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 30.2°F (-1°C). In November, the average high-temperature significantly decreases from a mild 57.6°F (14.2°C) in October to a chilly 42.8°F (6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Rockford, Iowa, with an average temperature fluctuating between 18°F (-7.8°C) and 28.4°F (-2°C). In Rockford, the average high-temperature in December plummets from a chilly 42.8°F (6°C) in November to a freezing cold 28.4°F (-2°C). Weather in December »
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FAQ

What is the coldest month in Rockford?

The coldest month is January, with an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 10°F (-12.2°C).

What is the most humid month in Rockford?

The most humid month is January, with an average relative humidity of 89%.

What is the driest month in Rockford?

The month with the least rainfall is January, when the rain falls for 3.8 days and typically collects 0.94" (24mm) of precipitation.

How much does it rain in Rockford?

In Rockford, Iowa, during the entire year, the rain falls for 129.5 days and collects up to 25.98" (660mm) of precipitation.

When does it snow in Rockford?

January through May, October through December are months with snowfall.

How much does it snow in Rockford?

Throughout the year, in Rockford, Iowa, there are 50.1 snowfall days, and 21.69" (551mm) of snow is accumulated.

What is the month with the least sunshine in Rockford?

January has the least sunshine of the year, with an average of 3.6h of sunshine.

What are the months with the lowest UV index in Rockford?

The months with the lowest UV index in Rockford, Iowa, are January and December, with an average maximum UV index of 1.

When does it snow the most in Rockford?

February is the month with the most snowfall. Snow falls for 10.7 days and accumulates 5.94" (151mm) of snow.

When is Daylight Saving Time (DST) in Rockford?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Rockford?

The month with the most rainfall is June, when the rain falls for 17.8 days and typically aggregates up to 3.98" (101mm) of precipitation.

When it does not snow in Rockford?

June through September are months without snowfall.

When are the longest days in Rockford?

With an average of 15h and 19min of daylight, June has the longest days of the year in Rockford, Iowa.

What is the month with the highest UV index in Rockford?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Rockford?

July is the warmest month in Rockford, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.6°F (17°C).

What are the months with the most sunshine in Rockford?

July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Rockford, Iowa.

What is the least humid month in Rockford?

With an average relative humidity of 71%, October is the least humid month in Rockford.

What is the month with the shortest days in Rockford?

December has the shortest days of the year, with an average of 9h and 4min of daylight.

Average temperature
Rockford, IA

Average temperature - Rockford, IA

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.5°F).

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10°F).

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Average pressure
Rockford, IA

Average pressure - Rockford, IA

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Rockford, IA

Average wind speed - Rockford, IA

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average rainfall
Rockford, IA

Average rainfall - Rockford, IA

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days
Rockford, IA

Average rainfall days - Rockford, IA

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3 days).

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Average snowfall
Rockford, IA

Average snowfall - Rockford, IA

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Rockford, IA

Average snowfall days - Rockford, IA

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Rockford, IA

Average daylight / Average sunshine - Rockford, IA

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Rockford, IA

Average sunshine days - Rockford, IA

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).

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Average visibility
Rockford, IA

Average visibility - Rockford, IA

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).

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