Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As May arrives, a slight rise in the average high-temperature is observed, moving from a refreshing 66.4°F (19.1°C) in April to a moderately hot 75.2°F (24°C). In the month of May, an average of 56.7°F (13.7°C) marks the low-temperature.Humidity
With an average relative humidity of 78%, May is the most humid month.Rainfall
May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 5.51" (140mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Arcola aggregates 0.24" (6mm) of snow. Throughout the year, there are 16.1 snowfall days, and 6.97" (177mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 13min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:05 pm. On the last day of May, sunrise is at 5:55 am and sunset at 8:30 pm CDT.
Sunshine
In May, the average sunshine in Arcola is 9.1h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a regular UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Arcola have in May?
How high is the UV index in May?
Average temperature in May
Arcola, MO
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in May
Arcola, MO
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Arcola, MO
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Arcola, MO
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Arcola, MO
- Average rainfall in May: 5.51"
The wettest month (with the highest rainfall) is May (5.51").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in May
Arcola, MO
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and December (6.8 days).
Average snowfall in May
Arcola, MO
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Arcola, MO
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Arcola, 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 42min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Arcola, MO
- Average sunshine days in May: 12 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (11 days).
Average UV index in May
Arcola, 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 and December (UV index 2).
Average cloud cover in May
Arcola, MO
- Average cloud cover in May: 38
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in May
Arcola, 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).
Arcola, Missouri, USA
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