Colonia del Sacramento — Water Temperature in July

Water Temperature Range

9°C

minimum

12°C

average

14°C

maximum

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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	2025	2024	2023	2022
JUL 1	12°C	12°C	13°C	12°C
JUL 2	12°C	12°C	13°C	12°C
JUL 3	12°C	11°C	13°C	12°C
JUL 4	12°C	11°C	11°C	12°C
JUL 5	12°C	12°C	12°C	12°C
JUL 6	11°C	11°C	11°C	11°C
JUL 7	11°C	11°C	11°C	11°C
JUL 8	11°C	11°C	11°C	11°C
JUL 9	11°C	11°C	11°C	11°C
JUL 10	11°C	11°C	12°C	11°C
JUL 11	12°C	11°C	12°C	11°C
JUL 12	12°C	11°C	12°C	11°C
JUL 13	12°C	11°C	12°C	10°C
JUL 14	12°C	12°C	13°C	10°C
JUL 15	12°C	12°C	13°C	10°C
JUL 16	12°C	12°C	13°C	14°C
JUL 17	12°C	12°C	13°C	10°C
JUL 18	12°C	12°C	12°C	10°C
JUL 19	12°C	13°C	13°C	10°C
JUL 20	13°C	13°C	13°C	10°C
JUL 21	11°C	12°C	12°C	10°C
JUL 22	12°C	13°C	12°C	11°C
JUL 23	13°C	12°C	13°C	11°C
JUL 24	13°C	13°C	12°C	11°C
JUL 25	12°C	12°C	12°C	11°C
JUL 26	12°C	12°C	12°C	11°C
JUL 27	11°C	12°C	12°C	11°C
JUL 28	11°C	12°C	12°C	11°C
JUL 29	11°C	12°C	12°C	11°C
JUL 30	12°C	12°C	12°C	11°C
JUL 31	12°C	11°C	11°C	10°C

July: Climate and Swimming Opportunities

Average Night Air Temperature

7°C

Average Day Air Temperature

12°C

Precipitation Amount per Month

74 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

4 hrs

Average Wind Speed

15 km/h

Average Humidity

80%

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.