May weather forecast
Terrytown, LA

Weather in May

The last month of the spring, May, is also a moderately hot month in Terrytown, Louisiana, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 71.2°F (21.8°C).

Temperature

In May, the average high-temperature slightly increases from 77°F (25°C) in April to a still moderately hot 82.9°F (28.3°C). In May, the average low-temperature is 71.2°F (21.8°C).

Heat index

In May, the average heat index is computed to be a tropical 89.1°F (31.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
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 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like pregnancy, metabolic differences, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise 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.

Humidity

In Terrytown, the average relative humidity in May is 73%.

Rainfall

In May, the rain falls for 8.6 days. Throughout May, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 112.1 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In Terrytown, the average length of the day in May is 13h and 40min.
On the first day of May, sunrise is at 6:17 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:55 pm CDT.

Sunshine

In Terrytown, the average sunshine in May is 10.6h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Terrytown?

The average high-temperature, in May, in Terrytown, Louisiana, is 82.9°F (28.3°C), while the average low-temperature is 71.2°F (21.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in May is computed to be 89.1°F (31.7°C).

What is the average humidity in May in Terrytown?

In May, the average relative humidity is 73%.

How much does it rain in Terrytown in May?

In May, in Terrytown, the rain falls for 8.6 days. Throughout May, 0.75" (19mm) of precipitation is accumulated.

When it does not snow in Terrytown?

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

What is the average length of the day in May in Terrytown?

The average day length in May in Terrytown is 13h and 40min.

What time are sunrise and sunset in May in Terrytown?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 7:37 pm. On the last day of the month, in Terrytown, sunrise is at 5:59 am and sunset at 7:55 pm CDT.

How long on average sun shines in May in Terrytown?

In Terrytown, the average sunshine duration in May is 10.6h.

What is the month with the highest UV index in Terrytown?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Terrytown.

What is the UV index intensity in May in Terrytown?

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

Average temperature in May
Terrytown, LA

Average temperature in May - Terrytown, LA
  • Average high temperature in May: 82.9°F

The warmest months (with the highest average high temperature) are July and August (89.4°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in May: 71.2°F

The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).

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Average pressure in May
Terrytown, LA

Average pressure in May - Terrytown, LA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).

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Average wind speed in May
Terrytown, LA

Average wind speed in May - Terrytown, LA
  • Average wind speed in May: 8.2mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in May
Terrytown, LA

Average humidity in May - Terrytown, LA
  • Average humidity in May: 73%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Terrytown, LA

Average rainfall in May - Terrytown, LA
  • Average rainfall in May: 0.75"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").

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Average rainfall days in May
Terrytown, LA

Average rainfall days in May - Terrytown, LA
  • Average rainfall days in May: 8.6 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (4.7 days).

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Average snowfall days in May
Terrytown, LA

Average snowfall days in May - Terrytown, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in May /
Average sunshine in May
Terrytown, LA

Average daylight in May / Average sunshine in May - Terrytown, LA
  • Average daylight in May: 13h and 40min

The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).

  • Average sunshine in May: 10h and 36min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in May
Terrytown, LA

Average sunshine days in May - Terrytown, LA
  • Average sunshine days in May: 19.3 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).

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Average UV index in May
Terrytown, LA

Average UV index in May - Terrytown, LA
  • Average UV index in May: 7

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

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Average cloud cover in May
Terrytown, LA

Average cloud cover in May - Terrytown, LA
  • Average cloud cover in May: 26

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).

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Average visibility in May
Terrytown, LA

Average visibility in May - Terrytown, 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).

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