May weather forecastSumner, MS
May
Weather in May
The last month of the spring, May, is a moderately hot month in Sumner, Mississippi, with an average temperature ranging between min 64.8°F (18.2°C) and max 81.1°F (27.3°C).Temperature
The shift from April to May sees a slight increase in the average high-temperature, transitioning from a pleasant 72.7°F (22.6°C) to a warm 81.1°F (27.3°C). In May, the average low-temperature records at a comfortable 64.8°F (18.2°C) during the nights.Heat index
For May, the heat index is appraised at a tropical 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Understand that the heat index values take into account shaded locations and mild winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In Sumner, the average relative humidity in May is 73%.Rainfall
In Sumner, in May, during 14.3 rainfall days, 4.09" (104mm) of precipitation is typically accumulated. Throughout the year, there are 161.1 rainfall days, and 42.24" (1073mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Sumner, Mississippi, the average length of the day in May is 13h and 56min.On the first day of May, sunrise is at 6:11 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:07 pm CDT.
Sunshine
In Sumner, the average sunshine in May is 9.7h.UV index
In Sumner, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 6 in May suggests the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sumner, MS
- Average high temperature in May: 81.1°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in May: 64.8°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in May
Sumner, 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
Sumner, MS
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Sumner, 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 (67%).
Average rainfall in May
Sumner, MS
- Average rainfall in May: 4.09"
The wettest month (with the highest rainfall) is April (4.72").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Sumner, MS
- Average rainfall days in May: 14.3 days
The months with the highest number of rainy days are July and August (17.6 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in May
Sumner, MS
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Sumner, MS
- 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 and September (0 days).
Average daylight in May /
Average sunshine in May
Sumner, MS
- Average daylight in May: 13h and 54min
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 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
Sumner, MS
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is August (11.1 days).
Average UV index in May
Sumner, 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, February and December (UV index 3).
Average cloud cover in May
Sumner, 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
Sumner, 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).
