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
Observing a rise in May, the average high-temperature goes from April's moderate 58.3°F (14.6°C) to a pleasant 70°F (21.1°C). Lyndon, in the month of May, anticipates a consistent average low-temperature of 53.1°F (11.7°C).Humidity
In May, the average relative humidity in Lyndon is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 4.53" (115mm) of precipitation.Snowfall
In Lyndon, Illinois, snow does not fall in May through September.Daylight
In Lyndon, the average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:27 pm CDT.
Sunshine
In May, the average sunshine in Lyndon is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Heed the precautions - It is counselled to guard against solar damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the usual temperature for Lyndon in May?
What is the average humidity in May in Lyndon?
What is the rainiest month in Lyndon?
How much does it rain in Lyndon in May?
When it does not snow in Lyndon?
Does it snow in Lyndon in May?
How many hours of daylight does Lyndon have in May?
When is the sunrise / sunset in May in Lyndon?
How many hours of sunshine does Lyndon have in May?
What is the UV index intensity in May in Lyndon?
Average temperature in May
Lyndon, IL
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in May
Lyndon, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Lyndon, IL
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Lyndon, IL
- Average humidity in May: 77%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Lyndon, IL
- Average rainfall in May: 4.53"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in May
Lyndon, 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 January (5.2 days).
Average snowfall in May
Lyndon, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Lyndon, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.5 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
Lyndon, IL
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Lyndon, IL
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in May
Lyndon, IL
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Lyndon, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Lyndon, IL
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Lyndon, Illinois, USA
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