Weather by Month in New Orleans

New Orleans experiences distinct seasons, with warm August days averaging 31°C / 88°F and cool January nights dropping to 9°C / 48°F. Rainfall averages 118 mm / 4.7 inches per month, with August typically the wettest. June offers the longest days with around 14 hours of daylight.

Monthly Climate Comparison

The biggest temperature swing occurs between October and November, with a change of 4.7°C / 40.4°F.

Month Low Temperature High Temperature Category
January 8.9°C 16°C MILD
February 10.6°C 17.9°C MILD
March 13.7°C 20.9°C MILD
April 17.1°C 24.2°C WARM
May 21.2°C 28°C WARM
June 24.3°C 30.3°C HOT
July 25.3°C 30.9°C HOT
August 25.5°C 31°C HOT
September 23.5°C 29.1°C WARM
October 18.8°C 25.4°C WARM
November 13.9°C 20.7°C MILD
December 10.6°C 17.3°C MILD

Rain & Sunshine Patterns

Driest Months

#1 November
Best for: outdoor activities & sightseeing
#2 October
Best for: outdoor activities & sightseeing
#3 May
Best for: outdoor activities & sightseeing

Wettest Months

#1 August
Expect: possible showers, pack waterproofs
#2 July
Expect: possible showers, pack waterproofs
#3 June
Expect: possible showers, pack waterproofs

UV & Sun Protection Calendar

High UV Alert:
February, March, April, May, June, July, August, September, October require serious sun protection.
Jan
5
MODERATE
Feb
7
HIGH
Mar
8
HIGH
Apr
8
VERY-HIGH
May
9
VERY-HIGH
Jun
9
VERY-HIGH
Jul
9
VERY-HIGH
Aug
9
VERY-HIGH
Sep
8
VERY-HIGH
Oct
7
HIGH
Nov
6
MODERATE
Dec
5
MODERATE
Extreme (11+)
Avoid sun during midday, use SPF 50+
Very High (8-10)
Essential sun protection required
High (6-7)
Use SPF 30+, wear hat & sunglasses
Moderate (3-5)
Sun protection recommended
Low-Moderate (1-2)
Minimal protection needed
Low (0)
No protection required

Daylight Hours

Daylight varies from 10.3 hours in December (winter) to 14 hours in June (summer), which is a difference of 3.7 hours.

Shortest Days

December
10.3h
Average Sunrise:06:48
Average Sunset:17:03
Plan daytime activities for midday when light is best. Early sunsets mean evening plans should account for darkness.

Longest Days

June
14h
Average Sunrise:04:59
Average Sunset:19:01
Extended daylight perfect for evening activities and late dining. You can fit more sightseeing into each day.

Wind & Humidity Overview

Wind Conditions

Average wind speed
Windiest months:
January (16 km/h) February (15 km/h) March (15 km/h)
Packing tip: Conditions are generally calm, but a light layer is always handy.

Humidity Levels

Average humidity
77%
Most humid:
July (80%)
Least humid:
October (74%)
Packing tip: Choose breathable, natural fabrics like cotton or linen for comfort in humid conditions.

Seasonal Overview

Northern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:

Winter

January, February, December
Avg High 17°C
Avg Low 10°C
Avg Rain 106 mm
Mild winter; light layers recommended

Spring

March, April, May
Avg High 24°C
Avg Low 17°C
Avg Rain 106 mm
Warming trend with frequent showers; pack waterproofs

Summer

June, July, August
Avg High 31°C
Avg Low 25°C
Avg Rain 158 mm
Hot and sunny; sun protection essential

Autumn

September, October, November
Avg High 25°C
Avg Low 19°C
Avg Rain 104 mm
Wet season begins; bring rain gear

Monthly Details

Click any month for detailed weather information and packing advice.

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Frequently Asked Questions

What is the best month to visit New Orleans?

The best months to visit New Orleans depend on your preferences. For warm weather, August is typically the warmest month. For dry conditions, November, October, May tend to have the least rainfall. Consider your priorities, and whether you prefer warmer temperatures, drier weather, or longer daylight hours.

When is New Orleans warmest?

August is typically the warmest month in New Orleans, with average high temperatures reaching around 31°C (88°F). This is peak summer weather, ideal for outdoor activities and sightseeing.

When is New Orleans coldest?

January is usually the coldest month, with average low temperatures dropping to around 9°C (48°F). Pack warm layers if visiting during this time, especially for evening activities.

When does New Orleans get the most rain?

August typically sees the most rainfall in New Orleans, averaging around 169mm (6.7 inches). It's wise to pack waterproof layers and have some indoor backup plans if you're visiting during this month.

What is the driest month in New Orleans?

November is typically the driest month, with average rainfall of just 83mm (3.3 inches). This makes it an excellent time for outdoor exploration and activities with minimal risk of rain disruption.

How much does the temperature vary in New Orleans throughout the year?

Temperatures in New Orleans range from average lows of 18°C (64°F) to highs of 24°C (76°F). This variation means you'll want to pack differently depending on when you visit, as layers are key for adapting to the seasonal changes.

Do I need sun protection when visiting New Orleans?

Yes, sun protection is important in New Orleans. UV levels can reach 9 during peak months, which is considered very high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.

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