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's arrival signals an increase in average high-temperatures, moving from April's agreeable 68.5°F (20.3°C) to a warm 77.5°F (25.3°C). Throughout May, Glennonville records an average temperature of 61.5°F (16.4°C) at night.Humidity
The average relative humidity in May in Glennonville is 76%.Rainfall
In Glennonville, during May, the rain falls for 16 days and regularly aggregates up to 4.41" (112mm) of precipitation. Throughout the year, there are 155.2 rainfall days, and 39.33" (999mm) of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in May is 14h and 8min.On the first day of May, sunrise is at 6:06 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:13 pm CDT.
Sunshine
In Glennonville, the average sunshine in May is 9.2h.UV index
In Glennonville, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Glennonville in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Glennonville have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Glennonville have in May?
What is the UV index reading in May?
Average temperature in May
Glennonville, MO
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in May: 61.5°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in May
Glennonville, MO
- 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 (29.93"Hg).
Average wind speed in May
Glennonville, MO
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
Glennonville, MO
- Average humidity in May: 76%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Glennonville, MO
- Average rainfall in May: 4.41"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in May
Glennonville, MO
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in May
Glennonville, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Glennonville, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glennonville, MO
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Glennonville, MO
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in May
Glennonville, MO
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Glennonville, MO
- Average cloud cover in May: 37
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in May
Glennonville, MO
- 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).
Glennonville, Missouri, USA
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