May weather forecast
Arthur, MO

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Weather in May

The last month of the spring, May, is a warm month in Arthur, Missouri, with an average temperature fluctuating between 56.3°F (13.5°C) and 73.8°F (23.2°C).

Temperature

As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a refreshing 65.5°F (18.6°C) to a warm 73.8°F (23.2°C). Arthur, during the month of May, experiences an average low-temperature of 56.3°F (13.5°C).

Humidity

May is the most humid month, with an average relative humidity of 81%.

Rainfall

The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 4.49" (114mm) of precipitation.

Snowfall

Months with snowfall are January through March, May, October through December. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Arthur, during the entire year, snow falls for 12.2 days and aggregates up to 4.29" (109mm) of snow.

Daylight

The average length of the day in May is 14h and 14min.
On the first day of May in Arthur, Missouri, sunrise is at 6:20 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:34 pm CDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

In Arthur, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

During May, Arthur experiences an average high-temperature of 73.8°F (23.2°C) and a low-temperature of 56.3°F (13.5°C).

What is the most humid month?

With an average relative humidity of 81%, May is the most humid month.

What is the average humidity in May?

In Arthur, the average relative humidity in May is 81%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 4.49" (114mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 16.8 days. Throughout May, 4.49" (114mm) of precipitation is accumulated.

When does it start to snow?

May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 14min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:34 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.8h.

What is the UV index reading in May?

In Arthur, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Arthur, MO

Average temperature in May - Arthur, MO
  • Average high temperature in May: 73.8°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 (39.9°F).

  • Average low temperature in May: 56.3°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 (25.2°F).

Average pressure in May
Arthur, MO

Average pressure in May - Arthur, MO
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Arthur, MO

Average wind speed in May - Arthur, MO
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in May
Arthur, MO

Average humidity in May - Arthur, MO
  • Average humidity in May: 81%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Arthur, MO

Average rainfall in May - Arthur, MO
  • Average rainfall in May: 4.49"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in May
Arthur, MO

Average rainfall days in May - Arthur, MO
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5 days).

Average snowfall in May
Arthur, MO

Average snowfall in May - Arthur, MO
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").

Average snowfall days in May
Arthur, MO

Average snowfall days in May - Arthur, MO
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 36min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in May
Arthur, MO

Average sunshine days in May - Arthur, MO
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in May
Arthur, MO

Average UV index in May - Arthur, MO
  • Average UV index in May: 6

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Arthur, MO

Average cloud cover in May - Arthur, MO
  • Average cloud cover in May: 38

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in May
Arthur, MO

Average visibility in May - Arthur, 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).

Arthur, Missouri, USA

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