May weather forecastDexter, AR
May
Weather in May
The last month of the spring, May, is a warm month in Dexter, Arkansas, with an average temperature fluctuating between 63.1°F (17.3°C) and 80.6°F (27°C).Temperature
Dexter's transition into May brings a slight rise in the average high-temperature, moving from an agreeable 72.1°F (22.3°C) in April to a warm 80.6°F (27°C). May brings with it a nighttime average temperature of 63.1°F (17.3°C).Heat index
The heat index value for May is evaluated at 84.2°F (29°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In May, the average relative humidity is 76%.Rainfall
In May, the rain falls for 12.5 days. Throughout May, 1.77" (45mm) of precipitation is accumulated. In Dexter, during the entire year, the rain falls for 130.3 days and collects up to 18.54" (471mm) of precipitation.Snowfall
In Dexter, snow does not fall in March through December.Daylight
In Dexter, the average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:57 am and sunset at 8:15 pm CDT.
Sunshine
The average sunshine in May is 9.4h.UV index
In Dexter, Arkansas, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 6 during May translates into the following guidance:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dexter, AR
- Average high temperature in May: 80.6°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in May: 63.1°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in May
Dexter, AR
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Dexter, AR
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Dexter, AR
- Average humidity in May: 76%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Dexter, AR
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in May
Dexter, AR
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in May
Dexter, AR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Dexter, AR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Dexter, AR
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Dexter, AR
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in May
Dexter, AR
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Dexter, AR
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in May
Dexter, 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).





