Rio Grande Weather in August

August in Rio Grande brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 26°C (79°F). Quite a bit of rainfall is expected, around 135 mm (5.3 in), so pack an umbrella.

Rainfall in Rio Grande in August

Rain is expected on roughly 20 days, totalling around 135 mm (5.3 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Rio Grande in August

August in Rio Grande brings typical temperatures with highs around 31°C (88°F) and lows of 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Rio Grande in August

The days are predominantly sunny, with an estimated total of around 267 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Rio Grande in August

August has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in August

The water is 29°C (84°F), very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.

August in Rio Grande has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.