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
In Lebanon, the average high-temperature in May rises, from an enjoyable 65.1°F (18.4°C) in April, to a warm 74.8°F (23.8°C). During the nights in May, Lebanon observes an average low-temperature of 57.7°F (14.3°C).Humidity
The months with the highest humidity are May, July and August, with an average relative humidity of 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 12.7 days and typically aggregates up to 1.5" (38mm) of precipitation.Snowfall
April through October are months without snowfall in Lebanon, Illinois.Daylight
In May, the average length of the day in Lebanon is 14h and 17min.On the first day of May, sunrise is at 6:00 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:17 pm CDT.
Sunshine
In Lebanon, the average sunshine in May is 9.3h.UV index
The months with the highest UV index in Lebanon, Illinois, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Lebanon in May?
What are the most humid months in Lebanon?
What is the average humidity in May in Lebanon?
What is the rainiest month in Lebanon?
How much does it rain in Lebanon in May?
When it does not snow in Lebanon?
How many hours of daylight does Lebanon have in May?
When is the sunrise / sunset in May in Lebanon?
How long on average sun shines in May in Lebanon?
What are the months with the highest UV index in Lebanon?
What is the UV index reading in May in Lebanon?
Average temperature in May
Lebanon, IL
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in May
Lebanon, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Lebanon, IL
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in May
Lebanon, IL
- Average humidity in May: 79%
The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Lebanon, IL
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in May
Lebanon, IL
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Lebanon, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Lebanon, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Lebanon, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Lebanon, IL
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is July (15.4 days).
Average UV index in May
Lebanon, IL
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Lebanon, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Lebanon, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lebanon, Illinois, USA
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