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Weather in Rockford, Illinois for May 2027

Your guide to Rockford weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Rockford at the beginning of May is 17 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.3 °C by the end of May.

  • Rain 🌧️

  • Rockford in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 135.9 mm.

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Average dry days
11
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/9°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Rockford Weather May

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Temperatures trend during May in Rockford

See the weather trend as well as the moving average line

May weather in Rockford day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
May 1 Patchy rain possible
Patchy rain possible
15° /8° 11.9 mm 5
May 2 Light rain shower
Light rain shower
16° /6° 9.2 mm 6
May 3 Overcast
Overcast
18° /8° 1.6 mm 4
May 4 Light rain shower
Light rain shower
19° /7° 2.7 mm 6
May 5 Overcast
Overcast
14° /7° 0.1 mm 5
May 6 Sunny
Sunny
17° /7° 0 mm 6
May 7 Light rain shower
Light rain shower
20° /8° 2.9 mm 5
May 8 Overcast
Overcast
19° /7° 0.5 mm 6
May 9 Light rain shower
Light rain shower
17° /5° 3.5 mm 6
May 10 Partly cloudy
Partly cloudy
20° /6° 0.6 mm 7
May 11 Patchy rain possible
Patchy rain possible
20° /6° 0 mm 7
May 12 Sunny
Sunny
24° /8° 1.1 mm 6
May 13 Light rain shower
Light rain shower
20° /13° 5.9 mm 6
May 14 Overcast
Overcast
20° /9° 0 mm 6
May 15 Overcast
Overcast
24° /11° 1.9 mm 5
May 16 Light rain shower
Light rain shower
26° /13° 7.2 mm 6
May 17 Patchy rain possible
Patchy rain possible
22° /13° 1 mm 5
May 18 Partly cloudy
Partly cloudy
22° /13° 2.1 mm 6
May 19 Thundery outbreaks possible
Thundery outbreaks possible
21° /11° 16.4 mm 5
May 20 Sunny
Sunny
16° /6° 27.8 mm 6
May 21 Partly cloudy
Partly cloudy
16° /8° 9.8 mm 4
May 22 Cloudy
Cloudy
20° /10° 0 mm 6
May 23 Overcast
Overcast
23° /10° 0.4 mm 5
May 24 Cloudy
Cloudy
22° /11° 2.6 mm 6
May 25 Partly cloudy
Partly cloudy
21° /8° 0 mm 6
May 26 Sunny
Sunny
23° /9° 2.9 mm 6
May 27 Overcast
Overcast
23° /11° 2.9 mm 6
May 28 Partly cloudy
Partly cloudy
21° /10° 12.6 mm 6
May 29 Partly cloudy
Partly cloudy
23° /10° 1.2 mm 7
May 30 Sunny
Sunny
26° /11° 0 mm 7
May 31 Patchy rain possible
Patchy rain possible
26° /12° 0.2 mm 7
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Important Notice
Our weather forecast for Rockford in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Rockford forecast closer to your planned date for the most up-to-date weather information.

Rockford in May - FAQ

What are the expected maximum and minimum temperatures in Rockford during May?

Enjoy moderate daytime temperatures of up to 20° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Rockford during May?

Significant rainfall exceeding 135.9 mm is expected in Rockford during May, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Rockford during May?

The average wind speed in Rockford during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Rockford

Explore the daily rainfall trends and prepare for Rockfords May weather 💧
Typically, Rockford has 20 rainy days in May with a total of 135.9 mm of rainfall.

UV exposure in Rockford during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Rockford?

Get accurate weather forecasts for Rockford, located at latitude 42.271 and longitude -89.094. Stay updated with localized weather information tailored for Rockford.

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