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

The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a moderately hot 84°F (28.9°C) in May to a tropical 90.1°F (32.3°C). June in Mandeville generally records an average low-temperature of 75°F (23.9°C).

Heat index

For most parts of June, the heat index is calculated to be a blistering 107.6°F (42°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. 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 quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In June, the average relative humidity is 73%.

Rainfall

In June, in Mandeville, the rain falls for 19.3 days. Throughout June, 4.06" (103mm) of precipitation is accumulated. Throughout the year, there are 183.7 rainfall days, and 43.94" (1116mm) of precipitation is accumulated.

Snowfall

In Mandeville, Louisiana, snow does not fall in February through December.

Ocean temperature

In Mandeville, Louisiana, the average seawater temperature in June is 83.1°F (28.4°C).
Note: For engaging in water activities including swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are perceived as perfect, providing pleasure for extended durations.

Daylight

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

Sunshine

The month with the most sunshine is June, with an average of 11h of sunshine.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 7 in June, converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Attention! UV radiation is markedly stronger with water and sand reflections.