May weather forecastHattiesburg, MS
May
Weather in May
The month of May introduces summer to Hattiesburg, Mississippi. The arrival of warmer days is signaled by May's peak temperature that spikes up to 84.7°F (29.3°C). Locals and tourists indulge in a variety of outdoor activities, taking full advantage of the increased daylight hours. Despite the heat, the urban jungle comes alive, with foliage flourishing under the radiant sun. As May proceeds, the city braces itself for the scorching heat that the following summer months have to offer.Temperature
May signals a minor shift in the average high-temperature, moving from April's 77.7°F (25.4°C) to a still warm 84.7°F (29.3°C). Throughout May, Hattiesburg's nights cool down to an average of 63.7°F (17.6°C).Heat index
May's mean heat index is estimated at a tropical 93.2°F (34°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The average relative humidity in May is 74%.Rainfall
In Hattiesburg, in May, it is raining for 14.7 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.Snowfall
In Hattiesburg, snow does not fall in April through November.Daylight
In May, the average length of the day is 13h and 46min.On the first day of May, sunrise is at 6:11 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:56 pm CDT.
Sunshine
In May, the average sunshine is 10h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. 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
Hattiesburg, MS
- Average high temperature in May: 84.7°F
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in May: 63.7°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in May
Hattiesburg, MS
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in May
Hattiesburg, MS
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in May
Hattiesburg, MS
- Average humidity in May: 74%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Hattiesburg, MS
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in May
Hattiesburg, MS
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in May
Hattiesburg, MS
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Hattiesburg, MS
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Hattiesburg, 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 12min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in May
Hattiesburg, MS
- Average sunshine days in May: 14.5 days
The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).
Average UV index in May
Hattiesburg, 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
Hattiesburg, MS
- Average cloud cover in May: 36
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in May
Hattiesburg, MS
- Average visibility in May: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
