Rio Grande — Water Temperature in January

Water Temperature Range

20°C

minimum

24°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

28°C

Precipitation Amount per Month

178 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

7 hrs

Average Wind Speed

9 km/h

Average Humidity

79%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.