May weather forecast
Flat River, MO

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Weather in May

The last month of the spring, May, is a warm month in Flat River, Missouri, with an average temperature fluctuating between 56.1°F (13.4°C) and 75.6°F (24.2°C).

Temperature

The shift into May brings an increase in the average high-temperature, moving from a refreshing 65.7°F (18.7°C) in April to a moderately hot 75.6°F (24.2°C). During May, the average low-temperature is a moderate 56.1°F (13.4°C).

Humidity

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

Rainfall

The month with the most rainfall in Flat River is May, when the rain falls for 16.6 days and typically aggregates up to 3.7" (94mm) of precipitation.

Snowfall

April through October are months without snowfall in Flat River, Missouri.

Daylight

The average length of the day in May is 14h and 14min.
On the first day of May, sunrise is at 6:05 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:18 pm CDT.

Sunshine

The average sunshine in May is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Flat River. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Flat River?

The high-temperature, in May, in Flat River, is 75.6°F (24.2°C), while the low-temperature averages to 56.1°F (13.4°C).

What is the most humid month in Flat River?

May is the most humid month in Flat River, with an average relative humidity of 79%.

What is the average humidity in May in Flat River?

The average relative humidity in May in Flat River, Missouri, is 79%.

What is the rainiest month in Flat River?

The month with the most rainfall in Flat River is May, when the rain falls for 16.6 days and typically aggregates up to 3.7" (94mm) of precipitation.

How much does it rain in Flat River in May?

In Flat River, Missouri, in May, it is raining for 16.6 days, with typically 3.7" (94mm) of accumulated precipitation.

When it does not snow in Flat River?

In Flat River, snow does not fall in April through October.

What is the average length of the day in May in Flat River?

In Flat River, Missouri, the average day length in May is 14h and 14min.

What time are sunrise and sunset in May in Flat River?

On the first day of May in Flat River, Missouri, sunrise is at 6:05 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:18 pm CDT.

How many hours of sunshine does Flat River have in May?

In Flat River, the average sunshine duration in May is 9.1h.

What is the month with the highest UV index in Flat River?

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

What is the UV index intensity in May in Flat River?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from 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
Flat River, MO

Average temperature in May - Flat River, MO
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in May: 56.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in May
Flat River, MO

Average pressure in May - Flat River, MO
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Flat River, MO

Average wind speed in May - Flat River, 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 (5.2mph).

Average humidity in May
Flat River, MO

Average humidity in May - Flat River, 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 (73%).

Average rainfall in May
Flat River, MO

Average rainfall in May - Flat River, MO
  • Average rainfall in May: 3.7"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in May
Flat River, MO

Average rainfall days in May - Flat River, MO
  • Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is December (7.7 days).

Average snowfall in May
Flat River, MO

Average snowfall in May - Flat River, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Flat River, MO

Average snowfall days in May - Flat River, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (7 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
Flat River, MO

Average daylight in May / Average sunshine in May - Flat River, MO
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).

Average sunshine days in May
Flat River, MO

Average sunshine days in May - Flat River, MO
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in May
Flat River, MO

Average UV index in May - Flat River, 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).

Average cloud cover in May
Flat River, MO

Average cloud cover in May - Flat River, MO
  • Average cloud cover in May: 39

The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in May
Flat River, MO

Average visibility in May - Flat River, MO
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).

Flat River, Missouri, USA

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