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
As Marengo transitions into May, a rise in the average high-temperature is observed, moving from 55.6°F (13.1°C) in April to a still refreshing 67.6°F (19.8°C). Marengo's average low-temperature for the month of May records at a fresh 50.2°F (10.1°C).Humidity
In May, the average relative humidity in Marengo is 79%.Rainfall
In Marengo, Illinois, in May, it is raining for 18.8 days, with typically 3.74" (95mm) of accumulated precipitation. In Marengo, during the entire year, the rain falls for 154.6 days and collects up to 30.31" (770mm) of precipitation.Snowfall
In Marengo, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 37min.On the first day of the month, sunrise is at 5:48 am and sunset at 7:54 pm. On the last day of May, in Marengo, sunrise is at 5:20 am and sunset at 8:23 pm CDT.
Sunshine
The average sunshine in May in Marengo, Illinois, is 8.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Marengo, Illinois. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the temperature in May in Marengo?
What is the average humidity in May in Marengo?
How much does it rain in Marengo in May?
When it does not snow in Marengo?
Does it snow in Marengo in May?
What is the average length of the day in May in Marengo?
When are sunrise and sunset in May in Marengo?
How long on average sun shines in May in Marengo?
What are the months with the highest UV index in Marengo?
How high is the UV index in May in Marengo?
Average temperature in May
Marengo, IL
- Average high temperature in May: 67.6°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 (26.1°F).
- Average low temperature in May: 50.2°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in May
Marengo, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Marengo, IL
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Marengo, IL
- Average humidity in May: 79%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Marengo, IL
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is June (4.21").
The driest months (with the least rainfall) are February and November (1.5").
Average rainfall days in May
Marengo, IL
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in May
Marengo, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Marengo, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (12.3 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
Marengo, 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 12min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Marengo, IL
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in May
Marengo, 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
Marengo, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in May
Marengo, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Marengo, Illinois, USA
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