June weather forecast
Mandeville, LA

June ushers in the height of Summer in Mandeville, Louisiana with temperatures varying from 75°F (23.9°C) to as high as 90.1°F (32.3°C). This intense heat, which serves as the backdrop to the sunniest month on the calendar, forms a notable contrast against the modest temperatures of earlier months. The Summer Solstice’s arrival blesses the city with the year's lengthiest days, thus maximizing daylight hours up to 14.1 per day. Coupled with an uptick in rainfall days to 19.3, it evokes a truly tropical climate. Despite the elevated precipitation during this period, June’s luxuriously warm temperatures hold a prominent attraction.

Temperature

As June begins, there's a slight increase in the average high-temperature, moving from a warm 84°F (28.9°C) in May to a tropical 90.1°F (32.3°C). Throughout June, Mandeville witnesses a nighttime temperature average of 75°F (23.9°C).

Heat index

In June, the average heat index is appraised at an extremely hot 107.6°F (42°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in June is 73%.

Rainfall

In Mandeville, during June, the rain falls for 19.3 days and regularly aggregates up to 4.06" (103mm) of precipitation. In Mandeville, during the entire year, the rain falls for 183.7 days and collects up to 43.94" (1116mm) of precipitation.

Snowfall

February through December are months without snowfall.

Ocean temperature

In Mandeville, in June, the average water temperature is 83.1°F (28.4°C).
Note: Water activities in surface temperatures between 77°F (25°C) and 84.2°F (29°C) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

With an average of 14h and 6min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of June, sunrise is at 6:01 am and sunset at 8:06 pm CDT.

Sunshine

With an average of 11h of sunshine, June has the most sunshine of the year.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 7 in June translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Heed this! UV intensity is much stronger when reflected off sand and water.