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
The onset of May in Freeport brings a temperature shift, with the average high-temperature moving from a refreshing 55.9°F (13.3°C) in April to a pleasant 68°F (20°C). May nights in Freeport, Illinois, are marked by an average temperature drop to a fresh 50.9°F (10.5°C).Humidity
In Freeport, the average relative humidity in May is 79%.Rainfall
In Freeport, in May, it is raining for 17.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 138 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day in Freeport is 14h and 37min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:24 am and sunset at 8:28 pm CDT.
Sunshine
In Freeport, the average sunshine in May is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Freeport. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the usual temperature for Freeport in May?
What is the average humidity in May in Freeport?
How much does it rain in Freeport in May?
When it does not snow in Freeport?
Does it snow in Freeport in May?
How many hours of daylight does Freeport have in May?
When are sunrise and sunset in May in Freeport?
How many hours of sunshine does Freeport have in May?
What is the month with the highest UV index in Freeport?
What is the UV index reading in May in Freeport?
Average temperature in May
Freeport, IL
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in May
Freeport, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Freeport, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Freeport, IL
- Average humidity in May: 79%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Freeport, IL
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in May
Freeport, IL
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in May
Freeport, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Freeport, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Freeport, IL
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Freeport, IL
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in May
Freeport, IL
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Freeport, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Freeport, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Freeport, Illinois, USA
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