Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
McComb in May observes a minor temperature shift, with average high-temperatures adjusting from 76.8°F (24.9°C) in April to a still moderately hot 83.8°F (28.8°C). An average low-temperature of 63.1°F (17.3°C) marks the month of May.Heat index
For May, the heat index is evaluated at a tropical 93.2°F (34°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.One should consider that heat index numbers are for shaded settings and light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
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. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The average relative humidity in May in McComb is 77%.Rainfall
In May, the rain falls for 13.4 days. Throughout May, 1.46" (37mm) of precipitation is accumulated. In McComb, during the entire year, the rain falls for 151.2 days and collects up to 17.8" (452mm) of precipitation.Snowfall
February, April through November are months without snowfall in McComb.Daylight
The average length of the day in May in McComb is 13h and 45min.On the first day of May, sunrise is at 6:16 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:00 pm CDT.
Sunshine
In McComb, the average sunshine in May is 9.6h.UV index
The average daily maximum UV index in May in McComb is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 6 translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May in McComb?
What is the average humidity in May in McComb?
How much does it rain in McComb in May?
When it does not snow in McComb?
How many hours of daylight does McComb have in May?
When is the sunrise / sunset in May in McComb?
How long on average sun shines in May in McComb?
What is the UV index intensity in May in McComb?
Average temperature in May
McComb, MS
- Average high temperature in May: 83.8°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (56.7°F).
- Average low temperature in May: 63.1°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in May
McComb, MS
- Average pressure in May: 29.99"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
McComb, MS
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in May
McComb, MS
- Average humidity in May: 77%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
McComb, MS
- Average rainfall in May: 1.46"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is November (0.79").
Average rainfall days in May
McComb, MS
- Average rainfall days in May: 13.4 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in May
McComb, MS
- Average snowfall in May: 0"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
McComb, MS
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and December (0.3 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
McComb, MS
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
McComb, MS
- Average sunshine days in May: 16 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in May
McComb, 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
McComb, MS
- Average cloud cover in May: 38
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in May
McComb, MS
- Average visibility in May: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
McComb, Mississippi, USA
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