May weather forecastRosella, MS
May
Weather in May
May, the last month of the spring in Rosella, is also a moderately hot month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 63.1°F (17.3°C).Temperature
As Rosella transitions into May, a marginal rise in the average high-temperature is observed, moving from a warm 76.6°F (24.8°C) in April to a still moderately hot 83.8°F (28.8°C). Rosella's nights in May experience an average temperature drop to a comfortable 63.1°F (17.3°C).Heat index
The heat index value during May is estimated at a tropical 91.4°F (33°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In May, the average relative humidity is 75%.Rainfall
In May, the rain falls for 14.7 days. Throughout May, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 175.1 rainfall days, and 38.9" (988mm) of precipitation is accumulated.Snowfall
In Rosella, snow does not fall in April through November.Daylight
In Rosella, the average length of the day in May is 13h and 47min.On the first day of May, sunrise is at 6:14 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:00 pm CDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rosella, MS
- Average high temperature in May: 83.8°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 (55.9°F).
- Average low temperature in May: 63.1°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in May
Rosella, MS
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Rosella, MS
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Rosella, MS
- Average humidity in May: 75%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Rosella, MS
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is August (4.25").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in May
Rosella, MS
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is August (21.6 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in May
Rosella, MS
- Average snowfall in May: 0"
The months with the highest snowfall are January and December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Rosella, MS
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.9 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
Rosella, MS
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in May
Rosella, MS
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in May
Rosella, 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
Rosella, MS
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in May
Rosella, MS
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).





