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
Observing a slight rise in May, the average high-temperature shifts from April's agreeable 68.4°F (20.2°C) to a moderately hot 76.6°F (24.8°C). Throughout the month of May, Decatur witnesses an average low-temperature of 57.6°F (14.2°C).Humidity
With an average relative humidity of 77%, May is the most humid month in Decatur, Arkansas.Rainfall
The month with the most rainfall is May, when the rain falls for 15.5 days and typically aggregates up to 4.37" (111mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Decatur aggregates 0.12" (3mm) of snow. In Decatur, during the entire year, snow falls for 13.9 days and aggregates up to 4.8" (122mm) of snow.Daylight
In Decatur, the average length of the day in May is 14h and 7min.On the first day of May in Decatur, Arkansas, sunrise is at 6:23 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:29 pm CDT.
Sunshine
In Decatur, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 6 suggests these recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are the temperatures in Decatur in May?
What is the most humid month in Decatur?
What is the average humidity in May in Decatur?
What is the rainiest month in Decatur?
How much does it rain in Decatur in May?
What is the last month it snows in Decatur?
How many hours of daylight does Decatur have in May?
When is the sunrise / sunset in May in Decatur?
How long on average sun shines in May in Decatur?
How high is the UV index in May in Decatur?
Average temperature in May
Decatur, AR
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (44.4°F).
- Average low temperature in May: 57.6°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in May
Decatur, AR
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).
Average wind speed in May
Decatur, AR
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in May
Decatur, AR
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Decatur, AR
- Average rainfall in May: 4.37"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in May
Decatur, AR
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is May (15.5 days).
The months with the least rainy days are January and November (8.5 days).
Average snowfall in May
Decatur, AR
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Decatur, AR
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Decatur, AR
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Decatur, AR
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is December (19.2 days).
The months with the least sunshine days are March and April (13.3 days).
Average UV index in May
Decatur, AR
- Average UV index in May: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Decatur, AR
- Average cloud cover in May: 38
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Decatur, AR
- 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).
Decatur, Arkansas, USA
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