Measurements:
°C
°F
Rockford
84°F
E 9 mph
Feels like: 88°F
Precip: 9%
World Resorts USA Rockford Weather May Weather in Rockford

Rockford Weather: May

Average Day Temperature: 69.5°F
Average Night Temperature: 52.3°F
Number of Sunny Days: 13 days
Sunshine Hours: 14.1 - 15.0 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.3 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 95°F. The lowest night temperature was 31°F. The average values for day and night temperatures during May were 74.9°F и 51.7°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Rockford is 1.3 in. It makes may one of the most rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 9.5 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rockford in May is 8.1 hours.

Best Time to Visit Rockford
The most sunny months:
September 17 days
June 14 days
October 14 days
The most warm months:
July 84.9 °F
August 83.3 °F
June 81.4 °F
The most cold months:
January 23.9 °F
February 29.5 °F
December 32.4 °F
The most rainy months:
April 3 days
May 2 days
June 2 days
The most windy months:
April 11 mph
March 11 mph
November 10 mph

Rockford on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Rockford
Local time: 15:22
05 aug, wednesday
1800 80°F
NE
1 mph
2100 74°F
N
2 mph
06 aug, thursday
0000 68°F
W
3 mph
0300 66°F
W
3 mph
0600 68°F
NW
2 mph
0900 72°F
N
4 mph
1200 78°F
E
5 mph
1500 84°F
E
3 mph