May weather forecast
Valley Park, MO

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Weather in May

The last month of the spring, May, is a warm month in Valley Park, Missouri, with an average temperature fluctuating between 75.6°F (24.2°C) and 57.6°F (14.2°C).

Temperature

Valley Park in May shows a temperature shift, moving from an average high of a refreshing 65.8°F (18.8°C) in April to a warm 75.6°F (24.2°C). An average nighttime temperature of 57.6°F (14.2°C) is recorded in Valley Park during May.

Humidity

The most humid month is May, with an average relative humidity of 78%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.9 days and accumulates 4.09" (104mm) of precipitation.

Snowfall

In Valley Park, snow does not fall in April through August and October.

Daylight

In May, the average length of the day in Valley Park, Missouri, is 14h and 17min.
On the first day of May, 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 in Valley Park, Missouri, is 9.4h.

UV index

In May, the average daily maximum UV index in Valley Park is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the average May temperature in Valley Park?

Valley Park in May has an average high-temperature of 75.6°F (24.2°C) and an average low-temperature of 57.6°F (14.2°C).

What is the most humid month in Valley Park?

With an average relative humidity of 78%, May is the most humid month in Valley Park, Missouri.

What is the average humidity in May in Valley Park?

In Valley Park, Missouri, the average relative humidity in May is 78%.

What is the rainiest month in Valley Park?

May is the month with the most rainfall. Rain falls for 16.9 days and accumulates 4.09" (104mm) of precipitation.

How much does it rain in Valley Park in May?

In Valley Park, in May, it is raining for 16.9 days, with typically 4.09" (104mm) of accumulated precipitation.

When it does not snow in Valley Park?

April through August and October are months without snowfall in Valley Park, Missouri.

What is the average length of the day in May in Valley Park?

The average day length in May is 14h and 17min.

When is the sunrise / sunset in May in Valley Park?

On the first day of May in Valley Park, Missouri, 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.

How long on average sun shines in May in Valley Park?

In Valley Park, Missouri, the average sunshine duration in May is 9.4h.

How high is the UV index in May in Valley Park?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Valley Park, MO

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).

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Average pressure in May
Valley Park, MO

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).

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Average wind speed in May
Valley Park, MO

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).

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Average humidity in May
Valley Park, MO

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%).

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Average rainfall in May
Valley Park, MO

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").

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Average rainfall days in May
Valley Park, MO

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).

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Average snowfall in May
Valley Park, MO

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").

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Average snowfall days in May
Valley Park, MO

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).

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Average daylight in May /
Average sunshine in May
Valley Park, MO

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).

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Average sunshine days in May
Valley Park, MO

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).

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Average UV index in May
Valley Park, MO

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).

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Average cloud cover in May
Valley Park, MO

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).

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Average visibility in May
Valley Park, MO

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).

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Valley Park, Missouri, USA

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