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
The arrival of May brings a temperature shift, with the average high-temperature escalating from a refreshing 65.8°F (18.8°C) in April to a moderately hot 75.6°F (24.2°C). Throughout May, an average nighttime temperature of 57.6°F (14.2°C) is experienced.Humidity
With an average relative humidity of 78%, May is the most humid month.Rainfall
The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 4.09" (104mm) of precipitation.Snowfall
April through August and October are months without snowfall.Daylight
In May, the average length of the day in Valley Park is 14h and 17min.On the first day of May in Valley Park, sunrise is at 6:03 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:20 pm CDT.
Sunshine
The average sunshine in May is 9.4h.UV index
In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 during May translates into the following guidance:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Valley Park?
What is the most humid month?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Valley Park have in May?
What is the UV index reading in May in Valley Park?
Average temperature in May
Valley Park, MO
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in May: 57.6°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in May
Valley Park, MO
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Valley Park, MO
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Valley Park, MO
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Valley Park, MO
- Average rainfall in May: 4.09"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in May
Valley Park, MO
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Valley Park, MO
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Valley Park, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are April, May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Valley Park, MO
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Valley Park, MO
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is December (20.1 days).
The months with the least sunshine days are May and July (12.6 days).
Average UV index in May
Valley Park, MO
- Average UV index in May: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Valley Park, MO
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in May
Valley Park, 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).
Valley Park, Missouri, USA
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