May weather forecast
Wentzville, MO

englishespañol中文
Share

Weather in May

May signals the true arrival of spring in Wentzville, as temperatures increase and days become longer. The previous month’s breeze transforms into calm winds, making the weather seem milder. The climax of this temperature rise is 74.7°F (23.7°C), bordering on summer averages. Increased daylight and more frequent sunshine provide ample opportunities to bask in the great outdoors. During this pleasant period, the occurrence of rainfall is higher, infusing vibrancy into nature.

Temperature

The shift into May is characterized by a rise in the average high-temperature, transitioning from April's enjoyable 65.5°F (18.6°C) to a moderately hot 74.7°F (23.7°C). An average nighttime temperature of 56.7°F (13.7°C) is noted in Wentzville during the month of May.

Humidity

The most humid month is May, with an average relative humidity of 79%.

Rainfall

In Wentzville, during May, the rain falls for 17.2 days and regularly aggregates up to 3.78" (96mm) of precipitation. Throughout the year, there are 152.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Wentzville.

Daylight

The average length of the day in May in Wentzville is 14h and 19min.
On the first day of May in Wentzville, sunrise is at 6:04 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:22 pm CDT.

Sunshine

In Wentzville, the average sunshine in May is 9.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 6 during May leads to these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
[Resources]

Frequently asked questions

What is the temperature in May in Wentzville?

The high-temperature, in May, in Wentzville, records 74.7°F (23.7°C), while the low-temperature is 56.7°F (13.7°C).

What is the most humid month in Wentzville?

With an average relative humidity of 79%, May is the most humid month in Wentzville, Missouri.

What is the average humidity in May in Wentzville?

In Wentzville, Missouri, the average relative humidity in May is 79%.

How much does it rain in Wentzville in May?

In Wentzville, Missouri, in May, it is raining for 17.2 days, with typically 3.78" (96mm) of accumulated precipitation.

When it does not snow in Wentzville?

May through October are months without snowfall in Wentzville, Missouri.

Does it snow in Wentzville in May?

In May, in Wentzville, Missouri, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Wentzville have in May?

In May, the average day length in Wentzville, Missouri, is 14h and 19min.

What time are sunrise and sunset in May in Wentzville?

In May, on the first day of the month, sunrise is at 6:04 am and sunset at 7:56 pm. On the last day of the month, in Wentzville, Missouri, sunrise is at 5:40 am and sunset at 8:22 pm CDT.

How many hours of sunshine does Wentzville have in May?

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

What is the month with the highest UV index in Wentzville?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Wentzville.

What is the UV index reading in May in Wentzville?

In May, the average daily maximum UV index in Wentzville, Missouri, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Wentzville, MO

Average temperature in May - Wentzville, MO
  • Average high temperature in May: 74.7°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in May: 56.7°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

[Resources]

Average pressure in May
Wentzville, MO

Average pressure in May - Wentzville, 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).

[Resources]

Average wind speed in May
Wentzville, MO

Average wind speed in May - Wentzville, MO
  • Average wind speed in May: 7.1mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

[Resources]

Average humidity in May
Wentzville, MO

Average humidity in May - Wentzville, MO
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in May
Wentzville, MO

Average rainfall in May - Wentzville, MO
  • Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is February (1.77").

[Resources]

Average rainfall days in May
Wentzville, MO

Average rainfall days in May - Wentzville, MO
  • Average rainfall days in May: 17.2 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).

[Resources]

Average snowfall in May
Wentzville, MO

Average snowfall in May - Wentzville, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in May
Wentzville, MO

Average snowfall days in May - Wentzville, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Wentzville, MO

Average daylight in May / Average sunshine in May - Wentzville, 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in May
Wentzville, MO

Average sunshine days in May - Wentzville, MO
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.9 days).

[Resources]

Average UV index in May
Wentzville, MO

Average UV index in May - Wentzville, 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, November and December (UV index 2).

[Resources]

Average cloud cover in May
Wentzville, MO

Average cloud cover in May - Wentzville, MO
  • Average cloud cover in May: 36

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

[Resources]

Average visibility in May
Wentzville, MO

Average visibility in May - Wentzville, 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).

[Resources]

Wentzville, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location