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
As May begins, there is an increase in the average high-temperature, moving from a refreshing 59°F (15°C) in April to an agreeable 71.1°F (21.7°C). The average low-temperature, in May, in Mark, is a cool 53.6°F (12°C).Humidity
The average relative humidity in May in Mark is 77%.Rainfall
The month with the most rainfall in Mark is May, when the rain falls for 18.9 days and typically aggregates up to 4.69" (119mm) of precipitation.Snowfall
In Mark, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 31min.On the first day of the month, sunrise is at 5:53 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:26 am and sunset at 8:23 pm CDT.
Sunshine
The average sunshine in May in Mark is 8.8h.UV index
In May, the average daily maximum UV index in Mark is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are May temperatures in Mark?
What is the average humidity in May in Mark?
What is the rainiest month in Mark?
How many days does it rain in May in Mark?
When it does not snow in Mark?
Does it snow in Mark in May?
What is the average length of the day in May in Mark?
What time are sunrise and sunset in May in Mark?
How long on average sun shines in May in Mark?
How high is the UV index in May in Mark?
Average temperature in May
Mark, IL
- Average high temperature in May: 71.1°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 (28.9°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in May
Mark, 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
Mark, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Mark, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Mark, IL
- Average rainfall in May: 4.69"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").
Average rainfall days in May
Mark, IL
- Average rainfall days in May: 18.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in May
Mark, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Mark, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Mark, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Mark, IL
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in May
Mark, 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 and December (UV index 1).
Average cloud cover in May
Mark, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in May
Mark, 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).
Mark, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
