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 Fairbury, the onset of May comes with an increased average high-temperature, moving from April's refreshing 59.7°F (15.4°C) to an agreeable 71.6°F (22°C). Throughout May, the temperature tends to fall to a consistent average low of 55°F (12.8°C).Humidity
In Fairbury, the average relative humidity in May is 76%.Rainfall
The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 2.56" (65mm) of precipitation.Snowfall
May through September are months without snowfall in Fairbury.Daylight
The average length of the day in May in Fairbury is 14h and 28min.On the first day of May, sunrise is at 5:51 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:18 pm CDT.
Sunshine
In May, the average sunshine in Fairbury is 8.8h.UV index
The average daily maximum UV index in May in Fairbury is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the temperature in May in Fairbury?
What is the average humidity in May in Fairbury?
What is the wettest month in Fairbury?
How much does it rain in Fairbury in May?
When it does not snow in Fairbury?
Does it snow in Fairbury in May?
How many hours of daylight does Fairbury have in May?
When are sunrise and sunset in May in Fairbury?
How many hours of sunshine does Fairbury have in May?
How high is the UV index in May in Fairbury?
Average temperature in May
Fairbury, IL
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Fairbury, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Fairbury, IL
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Fairbury, IL
- Average humidity in May: 76%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Fairbury, 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 (0.79").
Average rainfall days in May
Fairbury, IL
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).
Average snowfall in May
Fairbury, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fairbury, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 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
Fairbury, IL
- Average daylight in May: 14h and 3min
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 June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Fairbury, IL
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in May
Fairbury, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Fairbury, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Fairbury, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Fairbury, Illinois, USA
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