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
May brings a temperature change, with average high-temperatures moving from April's refreshing 63.5°F (17.5°C) to a pleasant 73°F (22.8°C). Bluffs, in May, experiences an average temperature of 55.9°F (13.3°C) at night.Humidity
In Bluffs, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall in Bluffs. Rain falls for 18.8 days and accumulates 4.02" (102mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Bluffs, Illinois, the average length of the day in May is 14h and 23min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of May, in Bluffs, sunrise is at 5:36 am and sunset at 8:23 pm CDT.
Sunshine
In Bluffs, the average sunshine in May is 9.2h.UV index
The average daily maximum UV index in May in Bluffs is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In May, an average UV index of 5 transforms into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the temperature in May in Bluffs?
What is the average humidity in May in Bluffs?
What is the rainiest month in Bluffs?
How many days does it rain in May in Bluffs?
When it does not snow in Bluffs?
Does it snow in Bluffs in May?
How many hours of daylight does Bluffs have in May?
When is the sunrise / sunset in May in Bluffs?
How long on average sun shines in May in Bluffs?
How high is the UV index in May in Bluffs?
Average temperature in May
Bluffs, IL
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Bluffs, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Bluffs, IL
- Average wind speed in May: 8mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in May
Bluffs, IL
- Average humidity in May: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Bluffs, IL
- Average rainfall in May: 4.02"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").
Average rainfall days in May
Bluffs, IL
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in May
Bluffs, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Bluffs, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.8 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
Bluffs, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Bluffs, IL
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in May
Bluffs, 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
Bluffs, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in May
Bluffs, 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).
Bluffs, Illinois, USA
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