May weather forecast
Cool Valley, MO

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Weather in May

The last month of the spring, May, is a moderately hot month in Cool Valley, Missouri, with an average temperature ranging between max 74.8°F (23.8°C) and min 57.6°F (14.2°C).

Temperature

With the onset of May, Cool Valley's weather sees a temperature rise, transitioning from a comfortable 65.3°F (18.5°C) in April to a warm 74.8°F (23.8°C). Throughout the month of May, Cool Valley expects an average low of 57.6°F (14.2°C).

Humidity

With an average relative humidity of 77%, May is the most humid month in Cool Valley.

Rainfall

May is the month with the most rainfall in Cool Valley, Missouri. Rain falls for 16 days and accumulates 3.31" (84mm) of precipitation.

Snowfall

In Cool Valley, snow does not fall in April through October.

Daylight

In Cool Valley, the average length of the day in May is 14h and 18min.
On the first day of May in Cool Valley, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:19 pm CDT.

Sunshine

In Cool Valley, the average sunshine in May is 9.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Cool Valley in May?

May temperatures vary between a high-temperature of 74.8°F (23.8°C) and a low-temperature of 57.6°F (14.2°C).

What is the most humid month in Cool Valley?

May is the most humid month in Cool Valley, Missouri, with an average relative humidity of 77%.

What is the average humidity in May in Cool Valley?

In May, the average relative humidity in Cool Valley is 77%.

What is the wettest month in Cool Valley?

The month with the most rainfall is May, when the rain falls for 16 days and typically aggregates up to 3.31" (84mm) of precipitation.

How much does it rain in Cool Valley in May?

In Cool Valley, during May, the rain falls for 16 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When it does not snow in Cool Valley?

April through October are months without snowfall.

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

In May, the average day length in Cool Valley, Missouri, is 14h and 18min.

When are sunrise and sunset in May in Cool Valley?

On the first day of May, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:19 pm CDT.

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

In May, the average sunshine duration in Cool Valley, Missouri, is 9.5h.

When is the highest UV index in Cool Valley?

The months with the highest UV index in Cool Valley, Missouri, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Cool Valley?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
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
Cool Valley, MO

Average temperature in May - Cool Valley, MO
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in May: 57.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Cool Valley, MO

Average pressure in May - Cool Valley, 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
Cool Valley, MO

Average wind speed in May - Cool Valley, MO
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in May
Cool Valley, MO

Average humidity in May - Cool Valley, MO
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Cool Valley, MO

Average rainfall in May - Cool Valley, MO
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in May
Cool Valley, MO

Average rainfall days in May - Cool Valley, MO
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).

Average snowfall in May
Cool Valley, MO

Average snowfall in May - Cool Valley, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Cool Valley, MO

Average snowfall days in May - Cool Valley, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (6.8 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
Cool Valley, MO

Average daylight in May / Average sunshine in May - Cool Valley, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in May
Cool Valley, MO

Average sunshine days in May - Cool Valley, MO
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in May
Cool Valley, MO

Average UV index in May - Cool Valley, MO
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in May
Cool Valley, MO

Average cloud cover in May - Cool Valley, MO
  • Average cloud cover in May: 37

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
Cool Valley, MO

Average visibility in May - Cool Valley, 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).

Cool Valley, Missouri, USA

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