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
The beginning of May signals a minor rise in the average high-temperature, moving from 75.6°F (24.2°C) in April to a still warm 83.1°F (28.4°C). Throughout May, the temperature in Helena, Louisiana, tends to fall to a consistent average low of 64.4°F (18°C).Heat index
The average heat index in May is calculated to be a tropical 91.4°F (33°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In May, the average relative humidity in Helena, Louisiana, is 77%.Rainfall
In May, in Helena, the rain falls for 13.8 days. Throughout May, 2.99" (76mm) of precipitation is accumulated. In Helena, during the entire year, the rain falls for 154.1 days and collects up to 35.12" (892mm) of precipitation.Snowfall
April through December are months without snowfall in Helena.Daylight
The average length of the day in May is 13h and 48min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:46 pm. On the last day of May, sunrise is at 6:00 am and sunset at 8:06 pm CDT.
Sunshine
The average sunshine in May is 9.9h.UV index
In Helena, Louisiana, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during May leads to these advisories:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
How hot is it in Helena in May?
What is the average humidity in May in Helena?
How many days does it rain in May in Helena?
When it does not snow in Helena?
What is the average length of the day in May in Helena?
When is the sunrise / sunset in May in Helena?
How many hours of sunshine does Helena have in May?
How high is the UV index in May in Helena?
Average temperature in May
Helena, LA
- Average high temperature in May: 83.1°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in May: 64.4°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in May
Helena, LA
- 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 (29.96"Hg).
Average wind speed in May
Helena, LA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).
Average humidity in May
Helena, LA
- Average humidity in May: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Helena, LA
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in May
Helena, LA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in May
Helena, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Helena, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Helena, LA
- Average daylight in May: 13h and 5min
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 6min).
- Average sunshine in May: 9h and 5min
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 48min).
Average sunshine days in May
Helena, LA
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in May
Helena, LA
- 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
Helena, LA
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in May
Helena, LA
- 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).
Helena, Louisiana, USA
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