May weather forecast
Metairie, LA

May, in Metairie, can be characterized as hot and damp with increased humidity. As temperatures rise, the city gets comfortably acclimated to the summer solstice, inviting warmer days and evenings. Rainfall marks a distinct peak during May, a trend that continues through midsummer. Daylight hours reach their zenith in this month, opening up opportunities for a host of outdoor activities. An enhanced UV index of 7 is observed during May, corresponding with longer sunshine hours.

Temperature

The beginning of May in Metairie marks a minor shift in the average high-temperature, moving from April's 76.6°F (24.8°C) to a still moderately hot 82.9°F (28.3°C). Metairie temperatures generally rest at a low of 70.9°F (21.6°C) during the May nights.

Heat index

May's heat index is calculated to be a hot 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In Metairie, Louisiana, the average relative humidity in May is 74%.

Rainfall

In Metairie, during May, the rain falls for 8.6 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Metairie, during the entire year, the rain falls for 104.1 days and collects up to 8.39" (213mm) of precipitation.

Daylight

In May, the average length of the day in Metairie is 13h and 40min.
On the first day of May, sunrise is at 6:16 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:56 pm CDT.

Sunshine

In Metairie, the average sunshine in May is 10.5h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.