March weather forecast
Gretna, LA

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Weather in March

Progressing into March, Gretna sees a transition from cooler weather conditions to warmer days. This month sees an increase in sun exposure and longer daylight hours, affecting daily weather conditions. Changes in temperature and humidity have a direct effect on the city's rainfall, marking it lowest at 0.43" (11mm) for the year. March's extended sunlight hours and increased UV index make it a perfect month for sunbathing and other daytime activities in Gretna. However, wind gusts decrease slightly, allowing for calm, serene evenings.

Temperature

The arrival of March signals a slight increase in the average high-temperature, moving from a comfortable 64.6°F (18.1°C) in February to an agreeable 70.7°F (21.5°C). Gretna observes an average low-temperature of 58.3°F (14.6°C) during March.

Humidity

The average relative humidity in March is 74%.

Rainfall

March and April are months with the least rain when the rain falls for 8.3 days and typically aggregates up to 0.43" (11mm) of rain.

Snowfall

In Gretna, snow does not fall in February through December.

Daylight

The average length of the day in March is 12h and 1min.
On the first day of the month, sunrise is at 6:25 am and sunset at 5:59 pm CST. On the last day of March, sunrise is at 6:49 am and sunset at 7:18 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

The average sunshine in March is 7.9h.

UV index

In March, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during March leads to these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What is the temperature in March?

In Gretna, in March, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 58.3°F (14.6°C).

What is the average humidity in March?

In Gretna, the average relative humidity in March is 74%.

What is the driest month in Gretna?

March and April are months with the least rain when the rain falls for 8.3 days and typically aggregates up to 0.43" (11mm) of rain.

How many days does it rain in March?

In Gretna, during March, the rain falls for 8.3 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When it does not snow?

February through December are months without snowfall.

How many hours of daylight does Gretna have in March?

The average day length in March is 12h and 1min.

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:25 am and sunset at 5:59 pm CST. On the last day of the month, sunrise is at 6:49 am and sunset at 7:18 pm CDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March?

In Gretna, Louisiana, the average sunshine duration in March is 7.9h.

How high is the UV index in March?

In March, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Gretna, LA

Average temperature in March - Gretna, LA
  • Average high temperature in March: 70.7°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 March: 58.3°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).

Average pressure in March
Gretna, LA

Average pressure in March - Gretna, LA
  • Average pressure in March: 30.09"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).

Average wind speed in March
Gretna, LA

Average wind speed in March - Gretna, LA
  • Average wind speed in March: 9.6mph

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).

Average humidity in March
Gretna, LA

Average humidity in March - Gretna, LA
  • Average humidity in March: 74%

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

Average rainfall in March
Gretna, LA

Average rainfall in March - Gretna, LA
  • Average rainfall in March: 0.43"

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

Average rainfall days in March
Gretna, LA

Average rainfall days in March - Gretna, LA
  • Average rainfall days in March: 8.3 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).

Average snowfall days in March
Gretna, LA

Average snowfall days in March - Gretna, LA
  • Average snowfall days in March: 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).

Average daylight in March /
Average sunshine in March
Gretna, LA

Average daylight in March / Average sunshine in March - Gretna, LA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in March: 7h and 5min

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).

Average sunshine days in March
Gretna, LA

Average sunshine days in March - Gretna, LA
  • Average sunshine days in March: 21.4 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).

Average UV index in March
Gretna, LA

Average UV index in March - Gretna, LA
  • Average UV index in March: 5

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).

Average cloud cover in March
Gretna, LA

Average cloud cover in March - Gretna, LA
  • Average cloud cover in March: 37

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

Average visibility in March
Gretna, LA

Average visibility in March - Gretna, LA
  • Average visibility in March: 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).

Gretna, Louisiana, USA

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