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Today's maximum temperature in New Orleans is expected to be 7Â°C, while the average maximum temperature in January is 16Â°C. More about New Orleans Weather overview
Key weather averages for New Orleans in June. 1  32. 32Â°C max day temperature. 2  9. 9 hours of sunshine per day. 3  11. 11 days with some rainfall. 4  23. 23Â°C min night temperature. 5  14. 14 hours of daylight per day. 6  VH. 7  142. 142 mm of monthly rainfall. 8  11. 11 (Extreme) UV index.