PORT ISABEL AREA CLIMATE
The Laguna Madre Area possesses a subtropical semi-arid climate, recording some 28.56 inches of rainfall annually, primarily in the months of May, September and October. Average wind velocity is 14 m.p.h. Weather Forecasts: National Weather Service (Brownsville) 1-956-546-5378. You can monitor updated forecasts for the Island-Bay and coastal waters on the weather radio band of 162.55 megahertz.
The area code for the Laguna Madre area is 956.
Port Isabel Information info@portisabel-texas.com.
WXPort
The town of Port Isabel is the same latitude as Fort Lauderdale, Florida. It is connected to the town of South Padre Island by a 2.6 mile causeway, the longest bridge in Texas. Our climate is sub-tropical, semi-arid with mild winters and warm breezy summers. The average yearly rainfall is 27.6 inches, primarily in May, June and September. Average wind velocity is 14 miles per hour. Our Gulf breezes keep us cooler in the summer than the rest of the area and our winters are shorter with warmer
Month
Avg. High
Avg. Low

Avg. Precip.

Record High
Record Low
January
67.0° F
52.0° F
1.93 in
89.0° (01/12/1936)
22.0° F (01/13/1963)
February
70.0° F
55.0° F
1.73 in
90.0° (02/27/1954)
23.0° F (02/01/1951)
March
62.0° F
75.0° F
1.22 in
100.0° (03/28/1984)
32.0° F (03/11/1948)
April
79.0° F
67.0° F
1.79 in
94.0° (04/26/1964)
37.0° F (04/08/1938)
May
84.0° F
73.0° F
2.41 in
97.0° (05/02/1954)
52.0° F (05/01/1996)
June
88.0° F
77.0° F
1.95 in
99.0° (06/11/1936)
62.0° F (06/06/1957)
July
89.0° F
77.0° F
1.74 in
99.0° (07/11/1961)
66.0° F (07/28/1942)
August
89.0° F
77.0° F
2.13 in
99.0° (08/06/1961)
62.0° F (08/13/1967)
September
87.0° F
75.0° F
6.12 in
100.0° (09/27/1996)
55.0° F (09/23/1995)
October
83.0° F
70.0° F
3.75 in
96.0° (10/21/1941)
37.0° F (10/31/1993)
November
76.0° F
63.0° F
2.16 in
95.0° (11/05/1988)
34.0° F (11/29/1976)
December
69.0° F
54.0° F
1.63 in
90.0° (12/06/1977)
17.0° F (12/24/1989)
View of the 2.6 mile Queen Isabella Memorial Bridge on a clear still evening. ©Valerie D. Bates
temperatures!
Port Isabel, Texas Info • 317 E. Railroad Ave. • Port Isabel, Texas 78578
info@portisabel-texas.com
©2006 Valerie D. Bates / www.portisabel-texas.com. All rights reserved.