Baton Rouge, LA Weather

Baton Rouge has a humid subtropical climate , with mild winters, hot and humid summers, moderate to heavy rainfall, and the possibility of damaging winds and tornadoes yearlong. The area’s average precipitation is 55.55 inches (141.1 cm) of rain and 0.1 inches (0.25 cm) of snow annually. With ample precipitation, Baton Rouge is fifth on the list of wettest cities in the United States. Snow in the Baton Rouge area is usually rare, although it snowed in three consecutive years recently: December 11, 2008, December 4, 2009, and February 12, 2010. The yearly average temperature for Baton Rouge is 68.4 °F (20.2 °C) while the average temperature for January is 51.7 °F (10.9 °C) and July is 83.0 °F (28.3 °C). The area is usually free from extremes in temperature, with some cold winter fronts, but those are usually brief.

Baton Rouge’s proximity to the Gulf of Mexico exposes the metropolitan region to hurricanes. On September 1, 2008, Hurricane Gustav struck the city and became the worst hurricane ever to hit the Baton Rouge area. Winds topped 100 miles per hour (160 km/h), knocking down trees and powerlines and making roads impassable. The roofs of many buildings suffered tree damage, especially in the Highland Road, Garden District, and Goodwood areas. The city was shut down for five days and a curfew was put in effect. Rooftop shingles were ripped off, signs blew down, and minor structural damage occurred.

Average Temperature
Jan
59 °F
15 °C
Feb
68 °F
20 °C
Mar
70 °F
21 °C
Apr
75 °F
24 °C
May
84 °F
29 °C
Jun
88 °F
31 °C
Jul
88 °F
31 °C
Aug
88 °F
31 °C
Sep
90 °F
32 °C
Oct
79 °F
26 °C
Nov
66 °F
19 °C
Dec
64 °F
18 °C
Humidity
Jan
78%
Feb
84%
Mar
71%
Apr
75%
May
79%
Jun
82%
Jul
89%
Aug
86%
Sep
77%
Oct
80%
Nov
71%
Dec
83%
Rain
Jan
73mm
Feb
100mm
Mar
45mm
Apr
166mm
May
169mm
Jun
143mm
Jul
236mm
Aug
217mm
Sep
59mm
Oct
174mm
Nov
99mm
Dec
66mm
Clouds
Jan
43%
Feb
76%
Mar
66%
Apr
31%
May
26%
Jun
34%
Jul
36%
Aug
38%
Sep
17%
Oct
35%
Nov
37%
Dec
59%
Air quality US AQI
Jan
32
Feb
35
Mar
44
Apr
41
May
43
Jun
43
Jul
45
Aug
40
Sep
40
Oct
38
Nov
45
Dec
36
Sun
Jan
4UVI
Feb
5UVI
Mar
7UVI
Apr
8UVI
May
9UVI
Jun
9UVI
Jul
9UVI
Aug
9UVI
Sep
9UVI
Oct
6UVI
Nov
5UVI
Dec
3UVI