Laguna Atascosa National Wildlife Refuge

Park Coastal wildlife refuge in Texas known for birdwatching

In the Rio Grande Valley, Laguna Atascosa National Wildlife Refuge protects marshes, dunes and brush that attract migratory birds and rare species; visitors come for birdwatching, wildlife drives and guided nature walks.

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Laguna Atascosa National Wildlife Refuge is a US Fish and Wildlife Service refuge on the lower Gulf Coast of Texas near the Rio Grande delta. It protects coastal wetlands, brushland and tidal habitats significant for migratory birds and Gulf Coast wildlife.

The refuge contains trails, observation areas and managed habitats that support large numbers of waterfowl, shorebirds and resident species used by birdwatchers and naturalists. Conservation programs on the refuge focus on habitat protection for migratory birds and regionally rare species.

The refuge was established to protect coastal wetland habitat and provide a stopover and wintering area for migratory birds along the Gulf Coast. Management combines habitat restoration, public wildlife observation and species conservation priorities.

Laguna Atascosa sits in southernmost Texas, in the Lower Rio Grande Valley near the coastal city of Brownsville; its location places it within a subtropical coastal landscape of marshes and thorn scrub.

  • Birding: A key destination for birdwatching and migratory waterfowl along the lower Texas Gulf Coast, with seasonal concentrations of shorebirds and waterbirds.
  • Wildlife conservation: Home to specialized conservation efforts for species associated with brush and coastal wetlands, including rare sightings of ocelot in the wild.
Laguna Atascosa National Wildlife Refuge
Laguna Atascosa National Wildlife Refuge, 32185 SPID (State Park Road), Los Fresnos, TX 78566
26.1931, -97.3267
Refuge grounds typically open dawn to dusk; Visitor Center seasonal hours (check official site)
Visitor center: free; auto admission fees may apply to wildlife drive (check refuge for updated information).

How to Get to Laguna Atascosa National Wildlife Refuge #

From Brownsville/Harlingen area, drive south on State Park Road (SPID) toward Los Fresnos; the refuge is near the town of Laguna Vista/Laguna Atascosa. Check refuge website for directions and road conditions.

Tips for Visiting Laguna Atascosa National Wildlife Refuge #

  • Dawn and dusk are best for observing coyotes, ocelots, and birdlife; bring a scope for distances over marshes.
  • Check refuge road conditions before visiting - some routes are unpaved and can be muddy after rain.
  • The refuge enforces seasonal closures to protect nesting birds; consult the visitor center for current restrictions.

Best Time to Visit Laguna Atascosa National Wildlife Refuge #

Best for birding and wildlife from winter through spring; early mornings year-round increase chances of sightings.

Winter (migrant season)
December-February · 10-25°C
Peak bird migration months; many waterfowl and passerines arrive and the weather is mild.
Spring
March-May · 15-30°C
Good for both wintering birds and breeding migrants; temperatures climb but mornings are pleasant.

Weather & Climate near Laguna Atascosa National Wildlife Refuge #

Climate

Laguna Atascosa National Wildlife Refuge's climate is classified as Hot Semi-Arid - Hot Semi-Arid climate with hot summers (peaking in July) and cool winters (coldest in January). Temperatures range from 10°C to 33°C. Moderate rainfall (695 mm/year).

Temperature & Rainfall
Temperature Range
33°
Warmest Month
10°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 19°C and lows of 10°C. Moderate rainfall (46 mm).

Comfort

15°
Feels Like Cool
15°C
Temperature
10° 19°

Weather

46 mm
Rainfall
5.4 m/s
Wind
Light Breeze

February

February is cool with highs of 21°C and lows of 12°C. Moderate rainfall (41 mm).

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 21°

Weather

41 mm
Rainfall
5.8 m/s
Wind
Light Breeze

March

March is mild with highs of 24°C and lows of 16°C. The driest month with just 20 mm and breezy conditions.

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 24°

Weather

20 mm
Rainfall
6.0 m/s
Wind
Breezy

April

April is mild with highs of 27°C and lows of 19°C. Moderate rainfall (39 mm) and breezy conditions.

Comfort

23°
Feels Like Mild
23°C
Temperature
19° 27°

Weather

39 mm
Rainfall
6.1 m/s
Wind
Breezy

May

May is warm with highs of 29°C and lows of 22°C. Moderate rainfall (68 mm) and breezy conditions.

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 29°

Weather

68 mm
Rainfall
6.1 m/s
Wind
Breezy

June

June is warm with highs of 32°C and lows of 24°C. Moderate rainfall (66 mm).

Comfort

28°
Feels Like Warm
28°C
Temperature
24° 32°

Weather

66 mm
Rainfall
5.6 m/s
Wind
Light Breeze

July

July is the hottest month with highs of 32°C and lows of 25°C. Moderate rainfall (46 mm).

Comfort

29°
Feels Like Hot
29°C
Temperature
25° 33°

Weather

46 mm
Rainfall
5.2 m/s
Wind
Light Breeze

August

August is the hottest month with highs of 33°C and lows of 24°C. Moderate rainfall (58 mm).

Comfort

29°
Feels Like Hot
29°C
Temperature
25° 33°

Weather

58 mm
Rainfall
4.7 m/s
Wind
Light Breeze

September

September is warm with highs of 31°C and lows of 23°C. The wettest month with heavy rain (158 mm).

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 31°

Weather

158 mm
Rainfall
4.4 m/s
Wind
Light Breeze

October

October is mild with highs of 28°C and lows of 20°C. Moderate rainfall (71 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
20° 28°

Weather

71 mm
Rainfall
4.9 m/s
Wind
Light Breeze

November

November is mild with highs of 24°C and lows of 15°C. Moderate rainfall (45 mm).

Comfort

20°
Feels Like Mild
20°C
Temperature
15° 24°

Weather

45 mm
Rainfall
5.1 m/s
Wind
Light Breeze

December

December is cool with highs of 20°C and lows of 11°C. Moderate rainfall (37 mm).

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 20°

Weather

37 mm
Rainfall
5.5 m/s
Wind
Light Breeze

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