May weather forecastGreenville, MS
May
Weather in May
With the advent of May in Greenville, Mississippi, the weather can be expected to remain bright and dry. The warming trend reaches significant peaks - up to 81.9°F (27.7°C). This rise in temperature coincides with a reduction in humidity, falling to 73%. Earlier sunrises, later sunsets, and fewer clouds contribute to nearly 14 hours of daylight every day. Despite the heat, soft breezes flowing at 7.5mph (12.1km/h) often provide welcome relief.Temperature
The arrival of May signals a slight increase in the average high-temperature, moving from a pleasant 73°F (22.8°C) in April to a moderately hot 81.9°F (27.7°C). An average low-temperature of 65.1°F (18.4°C) is anticipated throughout the nights during May.Heat index
The heat index in May is estimated at a hot 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In Greenville, the average relative humidity in May is 73%.Rainfall
In Greenville, during May, the rain falls for 11.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 122.3 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In Greenville, the average length of the day in May is 13h and 54min.On the first day of May, sunrise is at 6:15 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:08 pm CDT.
Sunshine
In May, the average sunshine is 9.7h.UV index
In Greenville, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Greenville, MS
- Average high temperature in May: 81.9°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 65.1°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in May
Greenville, MS
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Greenville, MS
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Greenville, MS
- Average humidity in May: 73%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Greenville, MS
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in May
Greenville, MS
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7 days).
Average snowfall in May
Greenville, MS
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Greenville, MS
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 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
Greenville, MS
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Greenville, MS
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is October (22.9 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in May
Greenville, MS
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Greenville, MS
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in May
Greenville, MS
- 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).
