Rockford, IL weather and climate in 2024
Day
0 °C
Night
-8 °C
Sea
5 °C
Precipitation
51 mm
in month
Rainy days
10 days
in month
Daylight
9 hours
average
Sunshine
4 hours
average
Humidity
78 %
Day
0 °C
Night
-8 °C
Sea
5 °C
Precipitation
51 mm
in month
Rainy days
10 days
in month
Daylight
9 hours
average
Sunshine
4 hours
average
Humidity
78 %
Overview: Rockford, IL
Weather charts for Rockford, IL
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Weather overview for Rockford, IL
Weather overview
Rockford, IL (United States of America) is a place with a mild continental climate. Temperatures during the day are in the range from -2 °C (29 °F) in January to 29 °C (84 °F) in July. The highest night temperatures could be experienced in July with 18 °C (64 °F), the lowest in January with -11 °C (13 °F). The driest month is February with just 8 days of rain, on the contrary, the month when it rains the most is May with 12 days of rain.
January weather
The minimum of the day temperature can be noticed, with its value being -2 °C (29 °F) in Rockford, IL, and the minimum of the night temperature can be noticed too, the value of this measure is -11 °C (13 °F). The rainfall amount descents similarly to the previous month, with its value of 34 mm (1.35 in), while the number of rainy days descent's start could be observed, with its value being 9 days. The beginning of the rise of the number of sun hours (without clouds) could be noticed, with its value being 5 hours.
February weather
The beginning of the rise of the day temperature could be noticed, with its value being 1 °C (34 °F) in Rockford, IL, and the night temperature rise's start could be observed as well in February. The rainfall amount reaches its minimum, with its value of 34 mm (1.34 in), and the number of rainy days reaches its minimum as well, the value of this measure is 8 days. The number of sun hours (without clouds) continues to rise, the value of this measure is 5 hours.
March weather
The rise of the day temperature can be observed, with its value of 8 °C (46 °F) in Rockford, IL, and the rise of the night temperature can be observed too, with its value of -2 °C (28 °F). The rainfall amount rise's start could be observed, its value is 57 mm (2.25 in), and the number of rainy days starts to rise too, with its value being 10 days. The number of sun hours (without clouds) rises similarly to the previous month, with its value being 6 hours.
April weather
The day temperature continues to rise, the value of this measure is 16 °C (60 °F) in Rockford, IL, and the rise of the night temperature can be observed too, its value is 3 °C (38 °F). The number of rainy days rises similarly to the previous month, with its value of 11 days, and the rainfall amount continues to rise as well, its value is 88 mm (3.45 in). The number of sun hours (without clouds) continues to rise, with its value being 7 hours. The wind speed is on its maximum, the value of this measure is 5.
May weather
The day temperature rises similarly to the previous month, its value is 22 °C (71 °F) in Rockford, IL, and the night temperature rises similarly to the previous month too, its value is 9 °C (49 °F). The tourist season is at its beginning. The number of rainy days reaches its maximum, with its value being 12 days, while the rise of the rainfall amount can be observed. The humidity reaches its minimum, the value of this measure is 65 %.
June weather
There is pending tourist season in Rockford, IL. The maximum of the rainfall amount can be noticed, its value is 113 mm (4.46 in). The day temperature continues to rise, with its value of 27 °C (81 °F), and the night temperature continues to rise too, the value of this measure is 15 °C (59 °F). The maximum of the number of sun hours (without clouds) can be noticed, the value of this measure is 10 hours. The day length reaches its maximum in this month.
July weather
There is pending tourist season this month in Rockford, IL. The number of rainy days descents similarly to the previous month, while the rainfall amount starts to descent, the value of this measure is 106 mm (4.16 in). The maximum of the day temperature can be noticed, with its value of 29 °C (84 °F), and the night temperature is on its maximum too in this month.
August weather
There is pending tourist season in Rockford, IL. The day temperature starts to descent, its value is 28 °C (82 °F), and the beginning of the descent of the night temperature could be noticed too in August. The number of sun hours (without clouds) descent's start could be observed, its value is 9 hours. The minimum of the wind speed is observable, the value of this measure is 3.
September weather
There is pending tourist season this month in Rockford, IL. The descent of the day temperature can be observed, its value is 24 °C (76 °F), and the descent of the night temperature can be observed as well, its value is 11 °C (53 °F). The rainfall amount starts to descent, the value of this measure is 92 mm (3.61 in), and the beginning of the descent of the number of rainy days could be noticed as well in this month. The number of sun hours (without clouds) continues to descent, the value of this measure is 7 hours.
October weather
The day temperature descents similarly to the previous month, with its value being 17 °C (63 °F) in Rockford, IL, and the descent of the night temperature can be observed too, the value of this measure is 5 °C (40 °F). The rainfall amount continues to descent, its value is 75 mm (2.94 in). The descent of the number of sun hours (without clouds) can be observed, with its value being 6 hours.
November weather
The day temperature continues to descent, with its value being 9 °C (47 °F) in Rockford, IL, and the descent of the night temperature can be observed as well, the value of this measure is -1 °C (30 °F). The rainfall amount descents similarly to the previous month, the value of this measure is 66 mm (2.60 in). The number of sun hours (without clouds) continues to descent, its value is 4 hours.
December weather
The day temperature continues to descent in Rockford, IL, and the night temperature descents similarly to the previous month as well, the value of this measure is -8 °C (18 °F). The descent of the rainfall amount can be observed, the value of this measure is 51 mm (2.01 in). The minimum of the number of sun hours (without clouds) can be noticed, with its value of 4 hours. The humidity reaches its maximum, with its value being 78 %. The minimum of the day length is observable in December.
FAQs
How many hours of sun to expect in April in Rockford, IL?
There is an average length of sunshine of 7 hours per day in April in Rockford, IL. That's 1 hour more than in the previous month. This is 17 % increase of this indicator.
How many days of precipitation on average can I expect in Rockford, IL in May?
There are 12 days, which are rainy in May in Rockford, IL, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.8 days of the week, or in general - 40 % days.
Are there good conditions to visit in Rockford, IL in June?
There are good conditions for visiting in June in Rockford, IL. The temperature during the day will be nice 27 °C (81 °F). The temperature of 15 °C (59 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
Is it hot in July in Rockford, IL?
In July in Rockford, IL, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is there a wet season in August in Rockford, IL?
No, there is no wet season in Rockford, IL in August - you can expect 10 days of rain during the month.
What temperature can I expect during the day in September in Rockford, IL?
The average daily temperature in Rockford, IL in September is 24 °C (76 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. In absolute terms, the decrease compared to the last month is 4 °C (39 °F). Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
What is the air temperature in October in Rockford, IL at night?
The average night temperature in Rockford, IL in October is 5 °C (40 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating. The value is lower by 7 °C (44 °F) than in the previous month.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.