New Orleans receives its highest rainfall in Jul, while humidity peaks during winter months.
🌧️ Wettest:Jul — 173 mm☀️ Driest:Oct — 92 mm
💧 Humidity peaks at 82% in Dec · annual avg 79%
🌍 Climate Summary
Avg Annual Temp:67.6°F
Avg Annual Rainfall:1580 mm
Avg Humidity:79%
Data Period:1981 – 2025
New Orleans Climate Overview
New Orleans has a warm subtropical climate with warm summers and mild winters.
Temperatures peak in Aug and drop to their lowest in Jan,
while rainfall is highest during summer months.
Humidity remains high throughout the year, especially during winter months, creating warm and humid conditions.
📈 Yearly Trends
The warmest year in New Orleans's recorded history was 2023
(avg: 70.7°F),
while the coldest year was 1983
(avg: 64.9°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ New Orleans's temperature shows a slight warming trend over the past decade
📈 Minimum temperatures show a slight warming trend in recent years
🌧️ Rainfall varies year-to-year without a clear long-term trend
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
New Orleans's temperatures shows a slight warming trend over the past decade.
The highest recorded temperature reached
100.8°F in Aug 2023,
while the lowest dropped to
16.4°F in Dec 1989.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in New Orleans shows noticeable variation. Rainfall varies year-to-year without a clear long-term trend.
Based on 45 years of data (1981–2025), Aug is typically the hottest month in New Orleans, Louisiana, with average high temperatures around 91.7°F.
What is the coldest month in New Orleans?▼
Jan is the coldest month in New Orleans, with average low temperatures around 32°F.
What is the rainiest month in New Orleans?▼
Jul receives the most rainfall with approximately 173 mm, while Oct is the driest with 92 mm.
What was the highest temperature ever recorded in New Orleans?▼
The highest recorded temperature was 100.8°F in Aug 2023. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in New Orleans?▼
The lowest recorded temperature was 16.4°F in Dec 1989.
How many years of data does this page cover?▼
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does New Orleans get?▼
New Orleans receives the most sunlight in May with an average solar radiation of 6.31 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Louisiana.
Where does this weather data come from?▼
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.