Port Isabel
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Port Isabel Weather in August

In Port Isabel, August brings very high daytime temperatures around 33°C (91°F), with nights cooling to 26°C (79°F). It is the driest month of the year, with minimal rainfall.

Rainfall in Port Isabel in August

Expect fewer clouds and less rain as the month goes on. This makes it an ideal time for outdoor activities. The climate data from previous years indicates about 6 days of rain, averaging 25 mm (1 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Port Isabel in August

The temperature in Port Isabel in August is excellent. Daytime highs reach 33°C (91°F), with nights dropping to 26°C (79°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

While these temperatures are typical, some days might be even hotter. Always be prepared for the unexpected spikes in warmth. Dressing in lightweight and breathable outfits will help you stay cool. Don't forget to stay hydrated and wear sun protection to handle the heat better.

Sunshine in Port Isabel in August

The days are predominantly sunny, with an estimated total of around 307 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, October, November and December typically offer the best circumstances for Port Isabel.

Port Isabel Temperature in August

Min Temperature
26°C (79°F)
Max Temperature
33°C (91°F)
Chance of Rain
20%
Precipitation
25 mm (1 in)
Rainy days
6 days
Humidity
73% *
Sunshine
307 hours *
Percentage Sunshine
76% *
* Data from: Brownsville, the United States of America (29 KM, 18 Miles).

Port Isabel Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Port Isabel - and find the best time to visit.

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Port Isabel in August

Warm but pleasant conditions in Port Isabel in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Port Isabel in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    9/10
  • Outdoor sports
    8/10

Port Isabel 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

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