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
As May arrives, Simmonsville's weather shows a minor increase in high-temperatures, edging from April's 77.7°F (25.4°C) to a still moderately hot 84.2°F (29°C). Simmonsville records an average nighttime low-temperature of 64°F (17.8°C) throughout May.Heat index
Throughout May, the heat index is calculated to be a hot 93.2°F (34°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in May is 76%.Rainfall
In Simmonsville, during May, the rain falls for 14.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 174 rainfall days, and 34.29" (871mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In May, the average length of the day in Simmonsville, Mississippi, is 13h and 44min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:40 pm. On the last day of May, sunrise is at 5:58 am and sunset at 7:59 pm CDT.
Sunshine
In May, the average sunshine is 9.7h.UV index
In Simmonsville, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the UV index of 6 transforms into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer 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
How hot does it get in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Simmonsville have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Simmonsville have in May?
What is the UV index intensity in May?
Average temperature in May
Simmonsville, MS
- Average high temperature in May: 84.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in May: 64°F
The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in May
Simmonsville, 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
Simmonsville, MS
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in May
Simmonsville, MS
- Average humidity in May: 76%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Simmonsville, MS
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in May
Simmonsville, MS
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Simmonsville, MS
- Average snowfall in May: 0"
The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Simmonsville, 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
Simmonsville, MS
- Average daylight in May: 13h and 4min
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 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Simmonsville, MS
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in May
Simmonsville, MS
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Simmonsville, MS
- Average cloud cover in May: 38
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in May
Simmonsville, 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).
Simmonsville, Mississippi, USA
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