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 April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a warm 76.3°F (24.6°C) to a still moderately hot 83.8°F (28.8°C). In Porterville, the average temperature during the nights of May marks a significant drop from the daily high, settling at a comfortable 62.2°F (16.8°C).Heat index
May's mean heat index is appraised at a hot 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Realize that the values for the heat index are set for shaded places and light winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for 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
In Porterville, the average relative humidity in May is 74%.Rainfall
In Porterville, in May, during 11.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Porterville, Mississippi, during the entire year, the rain falls for 145.8 days and collects up to 24.57" (624mm) of precipitation.Snowfall
In Porterville, snow does not fall in March through October.Daylight
In May, the average length of the day in Porterville is 13h and 51min.On the first day of May in Porterville, sunrise is at 6:05 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:56 pm CDT.
Sunshine
In Porterville, Mississippi, the average sunshine in May is 9.8h.UV index
The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May in Porterville?
When is the sunrise / sunset in May in Porterville?
How many hours of sunshine does Porterville have in May?
How high is the UV index in May?
Average temperature in May
Porterville, MS
- Average high temperature in May: 83.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in May: 62.2°F
The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in May
Porterville, 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
Porterville, MS
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Porterville, 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 (70%).
Average rainfall in May
Porterville, MS
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Porterville, MS
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Porterville, MS
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
Porterville, MS
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (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
Porterville, MS
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 9h and 5min
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
Porterville, MS
- Average sunshine days in May: 16.9 days
The months with the most sunshine days are October and November (21.3 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in May
Porterville, 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
Porterville, MS
- Average cloud cover in May: 36
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in May
Porterville, MS
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Porterville, Mississippi, USA
Weather forecast for your location
2. Allow the app to use your location