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 arrives, a rise in the average high-temperature is observed, moving from a refreshing 63.3°F (17.4°C) in April to a pleasant 72.9°F (22.7°C). An average low-temperature of 56.1°F (13.4°C) is anticipated throughout the nights in Glenarm during May.Humidity
The average relative humidity in May is 78%.Rainfall
In Glenarm, in May, it is raining for 12.5 days, with typically 1.06" (27mm) of accumulated precipitation. In Glenarm, Illinois, during the entire year, the rain falls for 104.2 days and collects up to 9.29" (236mm) of precipitation.Snowfall
In Glenarm, snow does not fall in May through October.Daylight
The average length of the day in May in Glenarm is 14h and 23min.On the first day of May, sunrise is at 5:58 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:19 pm CDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise prevention - Warding off sunburn is urged. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Glenarm?
What is the average humidity in May in Glenarm?
How many days does it rain in May in Glenarm?
When it does not snow in Glenarm?
Does it snow in Glenarm in May?
How many hours of daylight does Glenarm have in May?
When are sunrise and sunset in May in Glenarm?
How many hours of sunshine does Glenarm have in May?
How high is the UV index in May in Glenarm?
Average temperature in May
Glenarm, IL
- Average high temperature in May: 72.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in May: 56.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in May
Glenarm, 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
Glenarm, IL
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in May
Glenarm, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Glenarm, IL
- Average rainfall in May: 1.06"
The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in May
Glenarm, IL
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in May
Glenarm, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Glenarm, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.7 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
Glenarm, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Glenarm, IL
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (14 days).
Average UV index in May
Glenarm, 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
Glenarm, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in May
Glenarm, 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).
Glenarm, Illinois, USA
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