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New Orleans Weather by Month
Average temperatures, rainfall and humidity for New Orleans, United States, month by month, built from OpenWeather's historical records. Use it to see what a typical New Orleans month looks like before you travel — then check the live New Orleans forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
January
8°C average low
Wettest month
August
99 mm of rain
Driest month
November
49 mm of rain
Average temperature and rainfall in New Orleans by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 17°C | 8°C | -7°C / 27°C | 86 mm | 73% | 15 km/h |
| February | 20°C | 11°C | -4°C / 29°C | 59 mm | 74% | 16 km/h |
| March | 23°C | 14°C | 1°C / 30°C | 80 mm | 71% | 16 km/h |
| April | 26°C | 17°C | 6°C / 31°C | 86 mm | 72% | 16 km/h |
| May | 29°C | 21°C | 10°C / 34°C | 79 mm | 72% | 13 km/h |
| June | 32°C | 25°C | 19°C / 37°C | 91 mm | 74% | 12 km/h |
| July | 32°C | 25°C | 20°C / 36°C | 82 mm | 75% | 11 km/h |
| August | 32°C | 25°C | 19°C / 39°C | 99 mm | 75% | 11 km/h |
| September | 31°C | 24°C | 14°C / 37°C | 94 mm | 74% | 12 km/h |
| October | 27°C | 19°C | 5°C / 34°C | 78 mm | 72% | 13 km/h |
| November | 22°C | 13°C | -2°C / 30°C | 49 mm | 74% | 14 km/h |
| December | 19°C | 11°C | -4°C / 28°C | 71 mm | 77% | 14 km/h |
Best time to visit New Orleans
The most comfortable time to visit New Orleans is generally March to April and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around August, totalling about 954 mm a year.
Travellers who prefer heat should aim for August, when highs average 32°C. August is the month to avoid if rain would spoil your plans — it averages 99 mm, roughly 2× the rainfall of November.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the New Orleans forecast for what is happening now.