Rio Grande — Water Temperature in August

Water Temperature Range

11°C

minimum

14°C

average

18°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
AUG 1	-10°C	15°C	12°C	13°C
AUG 2	15°C	12°C	13°C	12°C
AUG 3	16°C	13°C	13°C	13°C
AUG 4	16°C	13°C	13°C	13°C
AUG 5	16°C	13°C	12°C	13°C
AUG 6	16°C	13°C	12°C	13°C
AUG 7	16°C	13°C	12°C	13°C
AUG 8	16°C	13°C	12°C	14°C
AUG 9	16°C	13°C	12°C	13°C
AUG 10	16°C	13°C	12°C	14°C
AUG 11	15°C	13°C	13°C	14°C
AUG 12	15°C	13°C	11°C	13°C
AUG 13	14°C	13°C	12°C	13°C
AUG 14	14°C	13°C	12°C	13°C
AUG 15	14°C	13°C	12°C	13°C
AUG 16	14°C	14°C	13°C	13°C
AUG 17	14°C	14°C	12°C	14°C
AUG 18	14°C	14°C	12°C	13°C
AUG 19	15°C	14°C	12°C	13°C
AUG 20	15°C	14°C	12°C	14°C
AUG 21	15°C	14°C	13°C	14°C
AUG 22	15°C	15°C	14°C	14°C
AUG 23	15°C	14°C	13°C	14°C
AUG 24	14°C	14°C	13°C	14°C
AUG 25	13°C	14°C	14°C	14°C
AUG 26	13°C	14°C	14°C	14°C
AUG 27	13°C	15°C	15°C	14°C
AUG 28	13°C	15°C	14°C	14°C
AUG 29	14°C	14°C	13°C	14°C
AUG 30	14°C	15°C	14°C	14°C
AUG 31	14°C	15°C	13°C	14°C

August: Climate and Swimming Opportunities

Average Night Air Temperature

7°C

Average Day Air Temperature

20°C

Precipitation Amount per Month

151 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

5 hrs

Average Wind Speed

8 km/h

Average Humidity

81%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.