Nestled in the heart of Louisiana, New Orleans is known for its lively culture and rich history, but its climate is just as unique.
New Orleans experiences a humid subtropical climate with hot summers and mild winters.
July is typically the hottest month, with average temperatures reaching up to 91.4°F (33°C) and lows around 76.5°F (24.7°C).
Winters are much milder, with the coldest month, January, seeing temperatures drop to an average low of 45°F (7.2°C).
Rainfall in New Orleans is fairly consistent throughout the year but varies slightly by season.
The city receives around 119 days of rain annually, with March and April being the driest months, accumulating only about 0.43 inches of rain over 8.3 days.
Sunshine is abundant in New Orleans, with over 2,700 hours of sunshine each year, making it a city that can be enjoyed year-round.
Average Temperature in New Orleans, Louisiana
New Orleans experiences a hot season that lasts for 4.1 months.
From May 18 to September 21, the average daily high temperature is above 87°F.
The hottest month is July, with an average high temperature of 92°F and a low of 78°F.
During the cooler months, temperatures drop, but not drastically.
January is the coldest month, with an average low temperature of 46°F and a high of 62°F. The temperatures are mild and rarely chilly.
Hourly temperatures throughout the year show a noticeable variation.
In summer, temperatures often rise above 90°F during the day but cool down to the high 70s°F by night.
Winter months have daytime highs in the 60s°F and nighttime lows in the 40s°F.
The perceived temperature can feel hotter due to high humidity, especially from June to August. This makes the maximum temperature feel more intense.
In spring and fall, the weather is more comfortable, with moderate temperatures.
Temperature Summary Table
| Month | Avg High (°F) | Avg Low (°F) |
|---|---|---|
| January | 62 | 46 |
| July | 92 | 78 |
For more detailed information about temperatures, visit this temperature page. These temperatures ensure that the city offers warm weather activities nearly year-round.
Average Precipitation in New Orleans, Louisiana
New Orleans experiences significant rainfall throughout the year with no substantial snowfall. The city has a humid subtropical climate, resulting in heavy rainfall and high humidity.
Average Rainfall in New Orleans, Louisiana
New Orleans receives a substantial amount of rain yearly. Monthly rainfall averages range from 4 to 6 inches.
The wettest month is typically August, with about 6.9 inches of rain.
Rainfall distributes evenly across most months, ensuring the city remains lush and green.
Both spring and summer often bring short, heavy showers due to the humid climate. Understanding these patterns is useful for planning outdoor activities and festivals.
Average Snow in New Orleans, Louisiana
Snowfall in New Orleans is extremely rare. On average, the city does not accumulate any measurable snowfall throughout the year.
The mild winters and warm temperatures keep the city predominantly snow-free.
While the idea of snow in New Orleans might seem appealing to some, it typically leads to local disruptions.
Residents and visitors should not expect typical winter weather but should be more prepared for occasional heavy downpours. For more details on snow events, you can check references on snow and ice in other regions.
Average Sun in New Orleans, Louisiana
New Orleans experiences varying daylight hours and sunshine throughout the year, influenced by its subtropical climate and geographical location. Key factors include the average daily solar energy and the difference between the shortest and longest days.
Average Daily Shortwave Solar Energy in New Orleans, Louisiana
New Orleans receives a significant amount of daily solar energy, which varies across the year.
The city sees peak levels of sunlight in the summer months. This period brings about 5.8 kWh per sq meter of solar energy, making it the sunniest time of the year.
In contrast, winter months see lower levels of solar energy, averaging around 3.2 kWh per sq meter.
The shortest day occurs in December with about 10 hours of daylight. The longest day happens in June, offering nearly 14 hours of daylight.
Daylight saving time also affects sunrise and sunset times, pushing the clock forward in spring and back in fall.
During summer, daylight hours extend later into the evening. This adjustment ensures more daylight during waking hours, maximizing sunshine exposure.
Average Humidity in New Orleans, Louisiana
New Orleans experiences a humid subtropical climate. Humidity levels remain high almost throughout the year.
Relative humidity averages around 76%. The highest humidity is in July, reaching up to 79% (World Weather & Climate Information).
Muggy conditions are common, especially during the humid summers. July and August often feel the most muggy.
Even mild winters maintain notable humidity around 73% in February.
Here’s a quick look at monthly average humidity:
| Month | Average Humidity (%) |
|---|---|
| January | 74% |
| February | 73% |
| March | 74% |
| April | 76% |
| May | 77% |
| June | 78% |
| July | 79% |
| August | 78% |
| September | 77% |
| October | 75% |
| November | 74% |
| December | 74% |
These weather conditions influence daily life.
For instance, the dew point is often high, which contributes to the area feeling sticky and warm. There are few truly dry days.
Visibility might also be affected by frequent clouds during high humidity periods. This makes the air feel thicker and more uncomfortable at times.
New Orleans’ climate is shaped by its proximity to water and overall geography, keeping relative humidity consistently elevated year-round. This is a key characteristic of living in or visiting the city.
Average Wind in New Orleans, Louisiana
New Orleans experiences varying wind conditions throughout the year. The average wind speed in New Orleans is typically moderate, making it comfortable for outdoor activities.
Wind speeds can fluctuate based on the season.
For instance, during the summer, New Orleans may experience lower wind speeds due to stable weather patterns. In contrast, during the spring and fall, wind speeds may increase, often bringing refreshing breezes.
The windiest month in New Orleans tends to be March.
During this month, wind speeds can reach their peak, offering a cooler atmosphere amidst the warmer temperatures.
This can be beneficial for residents and visitors looking to enjoy outdoor events without feeling too hot.
| Month | Average Wind Speed (mph) |
|---|---|
| January | 10.3 |
| February | 10.5 |
| March | 10.7 |
| April | 10.2 |
| May | 9.8 |
| June | 9.2 |
| July | 8.7 |
| August | 8.5 |
| September | 9.0 |
| October | 9.6 |
| November | 10.0 |
| December | 10.4 |
Seasonal changes, along with daily variations, make New Orleans’ wind patterns diverse. The city’s unique climate is partly shaped by these wind movements, influencing everything from daily life to special events.
Average Air Quality in New Orleans, Louisiana
The air quality in New Orleans is generally considered to be good. According to AccuWeather, the Air Quality Index (AQI) for New Orleans typically falls within the “Good” category.
Good AQI means that air quality is satisfactory, and air pollution poses little or no risk.
New Orleans sometimes experiences moderate air quality levels.
- Moderate AQI (51-100): Air quality is acceptable. However, there might be a minor health concern for sensitive individuals.
New Orleans sees variability in particulate matter (PM2.5) levels. IQAir provides real-time data on PM2.5, which indicates how clean or polluted the air is.
Here is a simple breakdown:
| AQI Level | Description |
|---|---|
| 0-50 (Good) | Air pollution poses no risk. |
| 51-100 (Moderate) | Acceptable; minor concern for sensitive individuals. |
New Orleans has several monitoring stations like New Orleans City Park and Audubon Schools.
Humidity and visibility can also impact perceived air quality. New Orleans experiences high humidity throughout the year.
Visibility in New Orleans averages around 10 miles but can drop below 5 miles during foggy or rainy conditions.
While water temperature does not directly affect air quality, it can influence overall comfort levels in the city. The Gulf of Mexico waters near New Orleans typically range from the mid-60s to mid-80s Fahrenheit.
Topography of New Orleans, Louisiana
New Orleans is geographically unique due to its position near the Gulf of Mexico and its intricate topography. The city’s elevation varies significantly across different areas.
The average elevation is about 1 to 3 feet above sea level. Some regions lie at or below sea level.
| Elevation (ft) | Location |
|---|---|
| -20 ft | Lowest areas |
| 3 ft | Average elevation |
| 98 ft | Highest point in the city |
The city’s highest point is often noted at about 98 feet. These areas are typically found near the boundaries of the city, while the lowest points are closer to the central regions.
Sea Level plays a vital role in the city’s landscape. Much of New Orleans is below sea level due to both natural subsidence and historic drainage practices. This makes the city highly susceptible to flooding.
Several historic districts and neighborhoods, like the Central City Historic District, have an elevation of around 7 feet. Spanish Fort is another notable area with unique elevation characteristics.
When considering the city’s topography, it’s evident that altitude and elevation changes create challenges and shape the daily lives of its residents.
Flood control has always been a priority here, driven by the city’s close proximity to the Gulf of Mexico and its varied topographic features.
Extreme Weather Events that Occur in New Orleans, Louisiana
New Orleans, Louisiana faces a variety of extreme weather events throughout the year.
Tropical Storms
New Orleans is frequently impacted by tropical storms, especially during hurricane season, which runs from June through November.
These storms can bring heavy rain, high winds, and flooding.
Hurricanes
As a coastal city, New Orleans is highly vulnerable to hurricanes.
Hurricanes like Katrina and Ida have caused significant damage to the city’s infrastructure due to high winds and storm surge. Learn more about recent hurricane damage.
Heat Waves
Heat waves are another extreme weather event that affects New Orleans.
These occur most often in the summer, with temperatures soaring above 90°F.
According to a recent study, New Orleans tops the list of major U.S. cities where heat waves have become more severe. Information on worsening heat waves is available.
Flooding
Flooding is common due to heavy rains and the city’s low-lying topography.
Severe weather and flash flooding events, like the one on April 10, 2024, highlight these risks. Flash floods can occur quickly, causing property damage and disrupting lives.
Storm Surge
Storm surge is a significant threat, particularly during hurricanes.
It can lead to severe coastal flooding, impacting both human life and buildings.
Best Time of the Year to Visit New Orleans, Louisiana
The best times to visit New Orleans are typically during the spring and fall seasons when the weather is pleasant and events are abundant.
Summer, though hot and humid, offers unique experiences, while winter brings mild weather and festive celebrations.
What is New Orleans, Louisiana Like in Spring
Spring in New Orleans is a favorite among tourists.
The weather ranges from the mid-60s to upper 70s Fahrenheit, making it perfect for outdoor activities.
This season is known for festivals, including the famous Mardi Gras in February or March and the New Orleans Jazz & Heritage Festival.
Spring is also a time when the city’s parks and gardens are in full bloom, adding to the picturesque scenery.
It’s the ideal time for exploring the French Quarter, enjoying riverboat cruises, or sampling local cuisine at outdoor cafes.
It’s the peak tourist season, so expect higher prices and crowds.
What is New Orleans, Louisiana Like in Summer
Summer in New Orleans is hot and humid, with temperatures often reaching the 90s Fahrenheit.
The high humidity can make it feel even hotter, leading many to seek indoor activities or water-related fun.
This season is considered the low point in tourism due to the oppressive heat.
Despite the weather, summer offers unique experiences like swamp tours and late-night jazz clubs.
It’s also a good time to find travel deals as hotels and flights are often cheaper.
While the hot season can be challenging, it comes with the advantage of fewer crowds and shorter lines at popular attractions.
What is New Orleans, Louisiana Like in Fall
Fall offers a respite from the summer heat, with temperatures in the 70s and 80s Fahrenheit.
This season is ideal for outdoor dining, walking tours, and enjoying the city’s many festivals.
The cooler weather makes it comfortable to explore famous landmarks like the French Market and Garden District.
Fall is another popular time for festivals, such as the Voodoo Music + Arts Experience and the Oak Street Po-Boy Festival.
The comfortable weather and lower crowds compared to spring make fall a fantastic time to visit.
It’s also a good time for exploring the city’s rich cultural history without the peak season rush.
What is New Orleans, Louisiana Like in Winter
Winter in New Orleans is mild, with temperatures typically ranging from the mid-40s to mid-60s Fahrenheit. This makes it pleasant for walking around and participating in holiday events like Christmas and New Year’s celebrations.
The winter season is less crowded, offering a more relaxed experience.
Rainfall is moderate, so packing an umbrella is a good idea. Winters offer a range of activities from holiday light displays to unique winter festivals. It’s an excellent time for those looking to experience the city without the busyness of spring or the heat of summer.