Rio Grande Weather in August

August in Rio Grande brings moderate temperatures around 17°C (63°F) during the day, dropping to 13°C (55°F) at night, with quite a bit of rainfall expected, averaging around 113 mm (4.4 in) for the month.

Rainfall in Rio Grande in August

Historically, the month has about 14 days of rain, averaging 113 mm (4.4 in) in total. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Rio Grande in August

Expect highs of 17°C (63°F) in Rio Grande in August, with nights dropping to around 13°C (55°F). August is in the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Rio Grande in August

You can expect a moderate amount of sunlight, with approximately 164 hours. This means a pleasant mix of sun and overcast.

If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Rio Grande. Our weather planner can help you explore destinations with more pleasant weather conditions.