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 brings a temperature shift, moving from a refreshing 62.8°F (17.1°C) in April to an agreeable 72.1°F (22.3°C). Union Star sees an average low-temperature of 55.2°F (12.9°C) during May.Humidity
The average relative humidity in May in Union Star is 78%.Rainfall
May is the month with the most rainfall in Union Star. Rain falls for 17.1 days and accumulates 4.02" (102mm) of precipitation.Snowfall
Months with snowfall in Union Star, Missouri, are January through May, October through December. May is the last month it regularly snows in Union Star. During 0.2 snowfall days, in May, Union Star aggregates 0.16" (4mm) of snow. In Union Star, during the entire year, snow falls for 25.5 days and aggregates up to 10.91" (277mm) of snow.Daylight
The average length of the day in May is 14h and 25min.On the first day of May in Union Star, sunrise is at 6:17 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:40 pm CDT.
Sunshine
The average sunshine in May in Union Star is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are May temperatures in Union Star?
What is the average humidity in May in Union Star?
What is the rainiest month in Union Star?
How many days does it rain in May in Union Star?
What is the last month it snows in Union Star?
How many hours of daylight does Union Star have in May?
When is the sunrise / sunset in May in Union Star?
How many hours of sunshine does Union Star have in May?
What is the UV index reading in May in Union Star?
Average temperature in May
Union Star, MO
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 55.2°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 (20.3°F).
Average pressure in May
Union Star, MO
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Union Star, MO
- Average wind speed in May: 8.2mph
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 (6.4mph).
Average humidity in May
Union Star, MO
- Average humidity in May: 78%
The month with the highest relative humidity is June (79%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in May
Union Star, MO
- Average rainfall in May: 4.02"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days in May
Union Star, MO
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Union Star, MO
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Union Star, MO
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Union Star, MO
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Union Star, MO
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Union Star, MO
- 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
Union Star, MO
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Union Star, 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).
Union Star, Missouri, USA
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