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
An increase in the average high-temperature marks May, moving from April's comfortable 64.9°F (18.3°C) to a moderately hot 74.5°F (23.6°C). In Cisne, the average nighttime temperature during May is a mild 58.1°F (14.5°C).Humidity
May and July, with an average relative humidity of 79%, are the most humid months in Cisne.Rainfall
In Cisne, in May, it is raining for 19.8 days, with typically 4.13" (105mm) of accumulated precipitation. In Cisne, Illinois, during the entire year, the rain falls for 166.4 days and collects up to 37.32" (948mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May in Cisne is 14h and 17min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:45 pm. On the last day of May, in Cisne, Illinois, sunrise is at 5:31 am and sunset at 8:11 pm CDT.
Sunshine
In Cisne, the average sunshine in May is 9.1h.UV index
The months with the highest UV index in Cisne are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the temperature in May in Cisne?
What are the most humid months in Cisne?
What is the average humidity in May in Cisne?
How much does it rain in Cisne in May?
When it does not snow in Cisne?
Does it snow in Cisne in May?
How many hours of daylight does Cisne have in May?
When are sunrise and sunset in May in Cisne?
How long on average sun shines in May in Cisne?
What are the months with the highest UV index in Cisne?
What is the UV index intensity in May in Cisne?
Average temperature in May
Cisne, IL
- Average high temperature in May: 74.5°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 58.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in May
Cisne, IL
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Cisne, IL
- Average wind speed in May: 8.3mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in May
Cisne, IL
- Average humidity in May: 79%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Cisne, IL
- Average rainfall in May: 4.13"
The wettest month (with the highest rainfall) is April (4.96").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Cisne, IL
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in May
Cisne, IL
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Cisne, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.7 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
Cisne, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Cisne, IL
- Average sunshine days in May: 9 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is May (9 days).
Average UV index in May
Cisne, 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
Cisne, IL
- Average cloud cover in May: 39
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Cisne, 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).
Cisne, Illinois, USA
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