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
With the onset of May, the average high-temperature slightly shifts from April's enjoyable 61.3°F (16.3°C) to a pleasant 71.6°F (22°C). Throughout the May nights, Adair encounters a low-temperature of 54.9°F (12.7°C).Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 16.2 days and accumulates 2.56" (65mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Adair, the average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:25 pm CDT.
Sunshine
In Adair, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Adair have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May in Adair?
Average temperature in May
Adair, IL
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Adair, IL
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Adair, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in May
Adair, IL
- Average humidity in May: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Adair, IL
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Adair, IL
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in May
Adair, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Adair, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.6 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
Adair, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Adair, IL
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in May
Adair, IL
- Average UV index in May: 5
The months with the highest UV index are 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
Adair, IL
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
Adair, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Adair, Illinois, USA
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