Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Rockford's transition into May sees a rise in the average high-temperature, advancing from a cool 53.4°F (11.9°C) in April to a comfortable 66.4°F (19.1°C). Rockford experiences an average nighttime temperature of 48.4°F (9.1°C) in the month of May.Humidity
In Rockford, the average relative humidity in May is 77%.Rainfall
In Rockford, in May, it is raining for 15.3 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 135.2 rainfall days, and 18.19" (462mm) of precipitation is accumulated.Snowfall
In Rockford, snow does not fall in May through September.Daylight
In Rockford, the average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:43 pm. On the last day of May, sunrise is at 6:05 am and sunset at 9:14 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rockford in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Rockford have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Rockford have in May?
What is the UV index reading in May in Rockford?
Average temperature in May
Rockford, MI
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Rockford, MI
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Rockford, MI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in May
Rockford, MI
- Average humidity in May: 77%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Rockford, MI
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is October (2.24").
The driest months (with the least rainfall) are February and September (1.1").
Average rainfall days in May
Rockford, MI
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is October (15.9 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in May
Rockford, MI
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Rockford, MI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (19.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rockford, MI
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in May
Rockford, MI
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in May
Rockford, MI
- Average UV index in May: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Rockford, MI
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Rockford, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Rockford, Michigan, USA
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