February Weather at Galliano, South Lafourche Airport Louisiana, United States

Daily high temperatures increase by 5°F, from 64°F to 69°F, rarely falling below 51°F or exceeding 78°F.

Daily low temperatures increase by 5°F, from 48°F to 53°F, rarely falling below 36°F or exceeding 65°F.

For reference, on July 26, the hottest day of the year, temperatures at Galliano, South Lafourche Airport typically range from 78°F to 91°F, while on January 8, the coldest day of the year, they range from 47°F to 63°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on February. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Luxu, China (8,593 miles away) and Zhangzhou, China (8,283 miles) are the far-away foreign places with temperatures most similar to Galliano, South Lafourche Airport (view comparison).

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The month of February at Galliano, South Lafourche Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 43% throughout the month.

The clearest day of the month is February 22, with clear, mostly clear, or partly cloudy conditions 59% of the time.

For reference, on July 30, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on October 26, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 66%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Galliano, South Lafourche Airport, the chance of a wet day over the course of February is gradually decreasing, starting the month at 30% and ending it at 27%.

For reference, the year's highest daily chance of a wet day is 60% on July 29, and its lowest chance is 20% on October 30.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during February at Galliano, South Lafourche Airport is gradually decreasing, starting the month at 4.5 inches, when it rarely exceeds 8.0 inches or falls below 1.6 inches, and ending the month at 4.2 inches, when it rarely exceeds 7.4 inches or falls below 1.3 inches.

Over the course of February at Galliano, South Lafourche Airport, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 43 minutes, implying an average daily increase of 1 minute, 36 seconds, and weekly increase of 11 minutes, 15 seconds.

The shortest day of the month is February 1, with 10 hours, 49 minutes of daylight and the longest day is February 28, with 11 hours, 32 minutes of daylight.

The latest sunrise of the month at Galliano, South Lafourche Airport is 6:50 AM on February 1 and the earliest sunrise is 23 minutes earlier at 6:27 AM on February 28.

The earliest sunset is 5:39 PM on February 1 and the latest sunset is 21 minutes later at 5:59 PM on February 28.

Daylight saving time is observed at Galliano, South Lafourche Airport during 2026, but it neither starts nor ends during February, so the entire month is in standard time.

For reference, on June 21, the longest day of the year, the Sun rises at 6:01 AM and sets 14 hours, 2 minutes later, at 8:03 PM, while on December 21, the shortest day of the year, it rises at 6:51 AM and sets 10 hours, 15 minutes later, at 5:06 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for February 2026. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy at Galliano, South Lafourche Airport is increasing during February, rising from 12% to 19% over the course of the month.

For reference, on July 21, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 23, the least muggy day of the year, there are muggy conditions 10% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Galliano, South Lafourche Airport is essentially constant during February, remaining within 0.2 miles per hour of 12.1 miles per hour throughout.

For reference, on March 7, the windiest day of the year, the daily average wind speed is 12.3 miles per hour, while on August 9, the calmest day of the year, the daily average wind speed is 7.2 miles per hour.

The lowest daily average wind speed during February is 11.9 miles per hour on February 6.

The wind direction at Galliano, South Lafourche Airport during February is predominantly out of the north from February 1 to February 22 and the south from February 22 to February 28.

Galliano, South Lafourche Airport is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature at Galliano, South Lafourche Airport is essentially constant during February, remaining within 1°F of 63°F throughout.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Galliano, South Lafourche Airport typically lasts for 12 months (356 days), from around January 15 to around January 6, rarely starting after March 2, or ending before December 7.

The month of February at Galliano, South Lafourche Airport is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly increasing from 68% to 89% over the course of the month.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days at Galliano, South Lafourche Airport are increasing during February, increasing by 251°F, from 221°F to 472°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy at Galliano, South Lafourche Airport is gradually increasing during February, rising by 1.0 kWh, from 3.8 kWh to 4.8 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Galliano, South Lafourche Airport are 29.445 deg latitude, -90.261 deg longitude, and 3 ft elevation.

The topography within 2 miles of Galliano, South Lafourche Airport is essentially flat, with a maximum elevation change of 3 feet and an average elevation above sea level of 3 feet. Within 10 miles is also essentially flat (23 feet). Within 50 miles is essentially flat (827 feet).

The area within 2 miles of Galliano, South Lafourche Airport is covered by herbaceous vegetation (76%) and cropland (21%), within 10 miles by herbaceous vegetation (67%) and water (25%), and within 50 miles by water (52%) and herbaceous vegetation (41%).