Climate and monthly weather forecastMetairie, LA
Climate and monthly weather forecast
The climate of Metairie
Taking a deep dive into the weather patterns of Metairie, Louisiana, the city's climate is predominantly classified under the Köppen climate system as Cfa. This classification represents a humid subtropical climate without any defined dry season. Metairie's geographical position plays a significant role in dictating its weather patterns, particularly its proximity to the Gulf of Mexico.Throughout the year, temperature swings manifest moderately in Metairie. The city experiences an average high temperature ranging from 60.4°F (15.8°C) in January to 89.2°F (31.8°C) in July. On the contrary, the average low temperature flits between 47.8°F (8.8°C) in January to 79°F (26.1°C) in August. This closely woven tapestry of Metairie's weather denotes a mild winter and a humid, warm summer.
The city's relative humidity oscillates within a narrow margin of 2 to 4% throughout the year. It ranges from 71% in October to 78% in December. On the precipitation front, Metairie tends to experience the highest rainfall of 1.3" (33mm) in July and the least of 0.39" (10mm) in March. On average, the city experiences between 10.9 to 14.8 rainy days per month, peaking in August.
The daylight hours vary throughout the year, with a maximum of 14.1 hours in June and a minimum of 10.2 hours in December. Sunshine hours exhibit a similar pattern, reaching the zenith of 11 hours in June and the nadir of 5.1 hours in December.
The Best Time to Visit Metairie
If tourists seek pleasant weather and lower rainfall, the ideal time to visit Metairie would be during fall, approximately between September and November. During this period, temperatures dip to more comfortable levels, ranging from 86.5°F (30.3°C) to 68.9°F (20.5°C). Rainfall is also on the lower end, with an average of 0.43 to 0.51" (13mm), making outdoor activities more enjoyable.The Worst Time to Visit Metairie
Visitors might want to avoid Metairie from June to August, as it's the city's rainiest period. These months receive the highest rainfall, peaking at 1.3" (33mm) in July. The city also experiences its hottest weather during these months, with the average high temperature going up to 89.2°F (31.8°C). Unfavorable climate conditions during this period, high temperatures combined with increased rainfall, may hamper outdoor activities and sightseeing.Spring Weather in Metairie
The three months of spring in Metairie, March to May, characterizes a gradually warming climate. The average high temperatures escalate from 70.7°F (21.5°C) to 82.9°F (28.3°C), while the low temperatures rise from 57.7°F (14.3°C) to 70.9°F (21.6°C). Rainfall during this period shows a steady increase from 0.39" (10mm) in March to 0.75" (19mm) in May, with corresponding rainfall days moderately increasing from 8.1 to 8.6 days.Summer Weather in Metairie
The summer months from June to August witness the highest temperatures, peaking at 89.2°F (31.8°C) in July. The lower range of temperatures also soars high, reaching 79°F (26.1°C) in August. Coupled with this, summer in Metairie also experiences the highest rainfall, making it the warmest and wettest season of the year.Autumn Weather in Metairie
Autumn in Metairie, which spans from September to November, is marked by brisk weather conditions. The average high temperature gradually descends from 86.5°F (30.3°C) to 68.9°F (20.5°C). Correspondingly, the lows also descend, moving from 75.2°F (24°C) in September to 56.5°F (13.6°C) by November. Rainfall shows a fluctuating pattern, starting at 0.43" (11mm) in September, peaking at 0.87" (22mm) in October, and then dropping back to 0.51" (13mm) in November.Winter Weather in Metairie
The winter months in Metairie, December to February, showcase the coolest temperatures. The highs fluctuate between 60.4°F (15.8°C) and 64.4°F (18°C), while the lows range between 47.8°F (8.8°C) in January and 52.5°F (11.4°C) in February. Precipitation is fairly constant during these three months, marked by 0.71" (18mm) in December and 0.51" (13mm) in February.Weather in January
In Metairie, Louisiana, January welcomes the new year with cooler temperatures, typically noticeably lower than those in December. Weather conditions favor relative humidity, offering a generally moist and damp atmosphere. January does not present any distinctive patterns but is predictably consistent throughout the month. Weather in January »Weather in February
As February steps in, there is a slight climb in the average temperatures from the previous month. Metairie weather still maintains a comfortably mild range, providing the perfect environment for Valentine's Day activities. Rainfall increases during this period, although it does not reach extremes. Weather in February »Weather in March
March heralds the arrival of spring in Metairie, bringing with it a further rise in temperature. While the city moves away from the cold of winter, the frequency of rainy days sees a marginal increment. Despite the increased precipitation, there is no significant alteration in climate trends. Weather in March »Weather in April
By the time April commences, Metairie witnesses heightened thermal readings. The region prepares to embrace the bracing warmth of summer, with temperature highs pushing the mercury closer to the 80°F (26.7°C) mark. Relative humidity remains consistent, and frequent April showers contribute to the moist atmosphere. Weather in April »Weather in May
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. Weather in May »Weather in June
June exhibits a transition towards the heart of summer in Metairie, retaining the warmer weather of May. Along with the balmy weather conditions, the region experiences a sweeping surge in rainfall. Habitual of summer weather, the UV index remains steady at 7, implying the need for sunscreens and protective gear. Weather in June »Weather in July
July continues the summer rhythm initiated by June. Metairie, during mid-summer, displays hot and muggy weather, with distinctive high humidity. A downtrend in the wind speed is observed, setting a more tranquil atmosphere. However, even amid this calm, it is worth noting the frequency of rainfall days spikes to its highest at 13.3 days. Weather in July »Weather in August
As August unfolds, Metairie continues to sway in the harmonies of summer. The region holds onto the established weather parameters, with temperature, wind speed, and humidity following July's trends. The remarkable feature of August, however, is its prolonged daytime duration lasting up to 13.2 hours. Weather in August »Weather in September
In September, Metairie begins its transition from the scorching summer towards a milder autumn. The temperature, after prolonged summer heat, takes a dive returning to the more desirable 80s°F. Rainfall and humidity begin to level off, yet they continue to influence the weather significantly. Weather in September »Weather in October
October marks the establishment of autumn in Metairie, with a substantial drop in temperature compared to September. The decline in thermal readings brings a stark contrast to the previously hot summer months. Concurrently, the frequency of rainfall days diminishes, culminating in a drier climate. Weather in October »Weather in November
November in Metairie maintains the prevalent autumn weather, notably colder than October. The onset of winter is felt in the dip in temperature, providing a crisp atmosphere. With declining temperatures, expect a decline in the UV index substantially. Weather in November »Weather in December
As the year comes to a close, Metairie embraces the chills of December. The transition from autumn to winter is complete, culminating in an average low temperature of 52°F (11.1°C). Despite the turnout of the colder weather, Metairie ensures its residents have ample daylight hours to savor. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Metairie, LA
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (60.4°F).
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (47.8°F).
Average pressure
Metairie, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"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
Metairie, LA
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.9mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.3mph
The windiest months (with the highest average wind speed) are February and April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Metairie, LA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Metairie, LA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.51" - Average rainfall in March:
0.39" - Average rainfall in April:
0.47" - Average rainfall in May:
0.75" - Average rainfall in June:
0.87"
- Average rainfall in July:
1.3" - Average rainfall in August:
1.14" - Average rainfall in September:
0.43" - Average rainfall in October:
0.87" - Average rainfall in November:
0.51" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.39").
Average rainfall days
Metairie, LA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
7.2 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
6.8 days - Average rainfall days in May:
8.6 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
5.9 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is November (4.5 days).
Average daylight / Average sunshine
Metairie, LA
- Average daylight in January:
10h and 30min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 42min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 54min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 42min - Average daylight in December:
10h and 18min
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 January:
5h and 36min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 54min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 48min - Average sunshine in September:
10h and 12min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 6min
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
Metairie, LA
- Average sunshine days in January:
23.9 days - Average sunshine days in February:
19.1 days - Average sunshine days in March:
21.7 days - Average sunshine days in April:
22.1 days - Average sunshine days in May:
19.7 days - Average sunshine days in June:
14.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
23.4 days - Average sunshine days in November:
24.6 days - Average sunshine days in December:
21.8 days
The month with the most sunshine days is November (24.6 days).
The month with the least sunshine days is August (10.3 days).
Average UV index
Metairie, LA
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
Metairie, LA
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility
Metairie, LA
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).





