June weather forecast
Slidell, LA

Weather in June

June, the first month of the summer in Slidell, is a tropical month, with temperature in the range of an average high of 90°F (32.2°C) and an average low of 75.4°F (24.1°C).

Temperature

In June, the average high-temperature slightly increases from a moderately hot 83.8°F (28.8°C) in May to a hot 90°F (32.2°C). The average low-temperature, in June, is 75.4°F (24.1°C).

Heat index

The average heat index in June is appraised at a scorching 107.6°F (42°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, metabolic differences, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

In June, the average relative humidity in Slidell is 73%.

Rainfall

In June, in Slidell, the rain falls for 18.2 days. Throughout June, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 173.3 rainfall days, and 30.79" (782mm) of precipitation is accumulated.

Snowfall

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

Daylight

With an average of 14h and 4min of daylight, June has the longest days of the year in Slidell.
On the first day of June in Slidell, sunrise is at 5:57 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:05 pm CDT.

Sunshine

With an average of 11.1h of sunshine, June has the most sunshine of the year.

UV index

May through August, 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 health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in June interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in June in Slidell?

In Slidell, in June, the average high-temperature is 90°F (32.2°C), and the average low-temperature is 75.4°F (24.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in June is appraised at 107.6°F (42°C).

What is the average humidity in June in Slidell?

In Slidell, the average relative humidity in June is 73%.

How much does it rain in Slidell in June?

In June, in Slidell, the rain falls for 18.2 days. Throughout June, 2.99" (76mm) of precipitation is accumulated.

When it does not snow in Slidell?

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

When are the longest days in Slidell?

With an average of 14h and 4min of daylight, June has the longest days of the year in Slidell, Louisiana.

How many hours of daylight does Slidell have in June?

The average day length in June in Slidell, Louisiana, is 14h and 4min.

When are sunrise and sunset in June in Slidell?

On the first day of June, sunrise is at 5:57 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:05 pm CDT.

What month has the most sunshine in Slidell?

The month with the most sunshine is June, with an average of 11.1h of sunshine.

How long on average sun shines in June in Slidell?

In Slidell, Louisiana, the average sunshine duration in June is 11.1h.

What are the months with the highest UV index in Slidell?

The months with the highest UV index in Slidell are May through August, with an average maximum UV index of 7.

What is the UV index intensity in June in Slidell?

The average daily maximum UV index in June in Slidell is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Slidell, LA

Average temperature in June - Slidell, LA
  • Average high temperature in June: 90°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in June: 75.4°F

The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).

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Average pressure in June
Slidell, LA

Average pressure in June - Slidell, LA
  • Average pressure in June: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in June
Slidell, LA

Average wind speed in June - Slidell, LA
  • Average wind speed in June: 5.9mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

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Average humidity in June
Slidell, LA

Average humidity in June - Slidell, LA
  • Average humidity in June: 73%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in June
Slidell, LA

Average rainfall in June - Slidell, LA
  • Average rainfall in June: 2.99"

The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is November (1.5").

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Average rainfall days in June
Slidell, LA

Average rainfall days in June - Slidell, LA
  • Average rainfall days in June: 18.2 days

The month with the highest number of rainy days is August (23.5 days).
The month with the least rainy days is November (8 days).

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Average snowfall in June
Slidell, LA

Average snowfall in June - Slidell, LA
  • Average snowfall in June: 0"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in June
Slidell, LA

Average snowfall days in June - Slidell, LA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).

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Average daylight in June /
Average sunshine in June
Slidell, LA

Average daylight in June / Average sunshine in June - Slidell, LA
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 4min).
The month with the shortest days is December (Average daylight: 10h and 14min).

  • Average sunshine in June: 11h and 6min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in June
Slidell, LA

Average sunshine days in June - Slidell, LA
  • Average sunshine days in June: 9.2 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (5.1 days).

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Average UV index in June
Slidell, LA

Average UV index in June - Slidell, LA
  • Average UV index in June: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in June
Slidell, LA

Average cloud cover in June - Slidell, LA
  • Average cloud cover in June: 26

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).

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Average visibility in June
Slidell, LA

Average visibility in June - Slidell, LA
  • Average visibility in June: 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).

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