NEW ORLEANS WEATHER

New Orleans has a subtropical climate. The coldest month is January with temperatures around 55 degrees. July and August are the hottest months with temperatures that range from 81 to 85 degrees with high humidity. Annual precipitation is around 63.5 inches per year. From July through October, tropical winds can bring high tides and heavy rains to the area.

New Orleans is especially vulnerable to hurricanes from June to November.

New Orleans	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rainfall (mm)	89	110	167	124	75	123	192	99	119	43	107	125
Rainfall (in)	3.5	4.3	6.6	4.9	3.0	4.8	7.6	3.9	4.7	1.7	4.2	4.9
Min Temp (°C)	9	10	13	16	20	23	24	24	22	17	11	9
Max Temp (°C)	18	19	22	25	29	32	32	32	30	26	20	17
Min Temp (°F)	49	50	55	61	68	74	75	75	72	63	51	49
Max Temp (°F)	64	66	71	77	85	89	89	90	86	79	68	63

On rare occasions, snow will fall, the most recent being on Christmas in 2004. On December 25th, a combination of rain, sleet, and snow fell on the city, leaving some bridges icy. The last white Christmas in 1954 brought 4.5 inches or 11.3 centimeters to the city, its largest snowfall ever.

Subtropical (or semitropical) areas are those adjacent to the tropics, usually roughly defined as the ranges 23.5-40° N and 23.5-40° S latitude. These areas typically have hot tropical summers, but non-tropical winters. In certain areas of the world the subtropics are plagued by tropical cyclones that originate in the tropics in the summer and fall.

In Köppen's scheme of climate classification, subtropical climates (Cfa, Cwa) are a subtype of temperate climates. They have an average temperature above 22 °C (72 °F) in their warmest months, a coldest month average between -3 °C and 18 °C (27 °F and 64 °F), and wet, humid summers with driest winter month average precipitation greater than one-tenth wettest summer month average precipitation.