May weather forecast
Lee's Summit, MO

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A series of scenic cascading waterfalls on a unique creek in Lee
A series of scenic cascading waterfalls on a unique creek in Lee's Summit, Missouri, with cliffs and large rocks visible in the misty white water

Weather in May

May is when truly warm weather begins to settle in Lee's Summit. Temperatures, daylight hours and sunshine levels continue on the upward trend initiated in April. Rainfall too, remains consistent, contributing to the lush green canvas the region transforms into. Humidity begins to creep in, setting the stage for the upcoming summer months. The weather conditions in May make it an excellent time for outdoor recreation.

Temperature

Lee's Summit's transition into May sees a mild rise in the average high-temperature, edging from an enjoyable 64°F (17.8°C) in April to an agreeable 72.7°F (22.6°C). May witnesses an average low-temperature hovering around a moderate 56.1°F (13.4°C).

Humidity

The months with the highest humidity in Lee's Summit are May and June, with an average relative humidity of 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 4.29" (109mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Lee's Summit aggregates 0.28" (7mm) of snow. In Lee's Summit, during the entire year, snow falls for 19.4 days and aggregates up to 7.95" (202mm) of snow.

Daylight

In May, the average length of the day is 14h and 19min.
On the first day of May, sunrise is at 6:18 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:36 pm CDT.

Sunshine

The average sunshine in May is 8.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

What is the average May temperature?

In Lee's Summit, 72.7°F (22.6°C) is the average high-temperature and 56.1°F (13.4°C) is the average low-temperature during May.

What are the most humid months?

May and June, with an average relative humidity of 79%, are most humid months.

What is the average humidity in May?

In May, the average relative humidity is 79%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 4.29" (109mm) of precipitation.

How many days does it rain in May?

In Lee's Summit, in May, during 17 rainfall days, 4.29" (109mm) of precipitation is typically accumulated.

What is the last month it snows in Lee's Summit?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Lee's Summit aggregates 0.28" (7mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 19min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:36 pm CDT.

How many hours of sunshine does Lee's Summit have in May?

The average sunshine duration in May is 8.6h.

What are the months with the highest UV index?

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

What is the UV index reading in May?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Lee's Summit, MO

Average temperature in May - Lee
  • Average high temperature in May: 72.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in May: 56.1°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 (23.2°F).

Average pressure in May
Lee's Summit, MO

Average pressure in May - Lee
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
Lee's Summit, MO

Average wind speed in May - Lee
  • Average wind speed in May: 8.1mph

The windiest months (with the highest average wind speed) are February, March and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in May
Lee's Summit, MO

Average humidity in May - Lee
  • Average humidity in May: 79%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Lee's Summit, MO

Average rainfall in May - Lee
  • Average rainfall in May: 4.29"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in May
Lee's Summit, MO

Average rainfall days in May - Lee
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in May
Lee's Summit, MO

Average snowfall in May - Lee
  • Average snowfall in May: 0.28"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Lee's Summit, MO

Average snowfall days in May - Lee
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Lee's Summit, MO

Average daylight in May / Average sunshine in May - Lee
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in May
Lee's Summit, MO

Average sunshine days in May - Lee
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in May
Lee's Summit, MO

Average UV index in May - Lee
  • 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).

Average cloud cover in May
Lee's Summit, MO

Average cloud cover in May - Lee
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in May
Lee's Summit, MO

Average visibility in May - Lee
  • 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).

Lee's Summit, Missouri, USA

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