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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Rockford, Indiana, is another subzero cold winter month, with an average temperature varying between 31.1°F (-0.5°C) and 19.8°F (-6.8°C). January is the month that records the lowest temperatures, with averages ranging from a high of 31.1°F (-0.5°C) to a low of 19.8°F (-6.8°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Rockford, Indiana, with an average temperature fluctuating between 35.2°F (1.8°C) and 23.4°F (-4.8°C). Rockford, Indiana, registers an average high-temperature of a wintry 35.2°F (1.8°C) with the arrival of February, showing minor deviation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Rockford, Indiana, with an average temperature fluctuating between 32.4°F (0.2°C) and 47.1°F (8.4°C). March marks a rise in the average high-temperature, moving from February's wintry 35.2°F (1.8°C) to a frosty 47.1°F (8.4°C). Weather in March »
Weather in April
April in Rockford, Indiana, is a moderate spring month, with an average temperature varying between 59.2°F (15.1°C) and 42.3°F (5.7°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's chilly 47.1°F (8.4°C) to a moderate 59.2°F (15.1°C). Weather in April »
Weather in May
May, the last month of the spring in Rockford, is a pleasant month, with an average temperature ranging between max 70.7°F (21.5°C) and min 54°F (12.2°C). Rockford's transition into May is marked by a rise in the average high-temperature, advancing from a refreshing 59.2°F (15.1°C) in April to a pleasant 70.7°F (21.5°C). Weather in May »
Weather in June
June, the first month of the summer in Rockford, is a moderately hot month, with an average temperature fluctuating between 61.5°F (16.4°C) and 78.3°F (25.7°C). A gentle upsurge in temperatures occurs as May gives way to June, with average highs shifting from a pleasant 70.7°F (21.5°C) to a warm 78.3°F (25.7°C). Weather in June »
Weather in July
July, like June, in Rockford, Indiana, is a moderately hot summer month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 81.1°F (27.3°C). With average high temperatures of 81.1°F (27.3°C) and lows of 64°F (17.8°C), July is the warmest month. July's heat index is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Rockford, is another warm month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 61.5°F (16.4°C). With the onset of August, the average high-temperature registers at a still warm 79.2°F (26.2°C), subtly different from July's 81.1°F (27.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Rockford, is still a warm month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 55.8°F (13.2°C). The shift into September records an average high-temperature of a still warm 74.1°F (23.4°C), subtly varied from August's 79.2°F (26.2°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Rockford, Indiana, with an average temperature fluctuating between 45.9°F (7.7°C) and 61.7°F (16.5°C). Rockford's progression into October includes a drop in the average high-temperature, from a warm 74.1°F (23.4°C) in September to a comfortable 61.7°F (16.5°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 low of 35.1°F (1.7°C) and an average high of 47.7°F (8.7°C). The onset of November results in a decrease in the average high-temperature, receding from an enjoyable 61.7°F (16.5°C) in October to a chilly 47.7°F (8.7°C). Weather in November »
Weather in December
December, the first month of the winter in Rockford, is also an icy month, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 27.1°F (-2.7°C). The beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 47.7°F (8.7°C) in November to an icy 36.7°F (2.6°C). Weather in December »
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
In Rockford, January records the average lowest temperatures, peaking at 31.1°F (-0.5°C) and reaching a low of 19.8°F (-6.8°C).
What are the most humid months?
January and February, with an average relative humidity of 83%, are most humid months.
How many days does it rain?
Throughout the year, there are 111.9 rainfall days, and 9.65" (245mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 31.1 snowfall days, and 3.74" (95mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.5h of sunshine.
What is the driest month?
The months with the least rainfall are February and November Rain falls for 4.6 days and accumulates 0.51" (13mm) of rain.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 8 days and typically aggregates up to 1.14" (29mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 14 days and accumulates 1.22" (31mm) of precipitation.
When it does not snow?
In Rockford, snow does not fall in May through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What month is the hottest?
July is the warmest month, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64°F (17.8°C).
What month has the most sunshine?
With an average of 10.2h of sunshine, July has the most sunshine of the year.
What is the least humid month?
The least humid month is October, with an average relative humidity of 74%.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
When is the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index in Rockford.
Average temperature
Rockford, IN
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Rockford, IN
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Rockford, IN
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6mph - Average wind speed in September:
6.9mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Rockford, IN
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Rockford, IN
- Average rainfall in January:
0.59" - Average rainfall in February:
0.51" - Average rainfall in March:
0.94" - Average rainfall in April:
0.98" - Average rainfall in May:
1.22" - Average rainfall in June:
1.02"
- Average rainfall in July:
1.02" - Average rainfall in August:
0.91" - Average rainfall in September:
0.59" - Average rainfall in October:
0.55" - Average rainfall in November:
0.51" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is May (1.22").
The driest months (with the least rainfall) are February and November (0.51").
Average rainfall days
Rockford, IN
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
14 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
11.1 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
9.2 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Rockford, IN
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Rockford, IN
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
8 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.3 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Rockford, IN
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 0min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Rockford, IN
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
17.1 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
16.2 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
18.2 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
20 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (13.1 days).
Average UV index
Rockford, IN
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Rockford, IN
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility
Rockford, IN
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Rockford, Indiana, USA
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