Rio Grande Water Temperature

(Today) 2024

21.8°C / 71.2°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

Current weather

20°C / 68°F
(clear sky)
Partly cloudy
Wind
16 mph
Humidity
74%

The measurements for the water temperature in Rio Grande, Rio Grande do Sul are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Rio Grande water temperature derived from many years of historical sea surface temperature data.

Rio Grande average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Rio Grande
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 22.2 22.8 21.6 18.8 16.6 13.4 10.5 10.7 11 14.8 16.6 19.9
Max °C 25.6 25 25.7 23.6 20.2 18.9 15.4 15.8 16.1 18.9 21.8 22.9
Min °F 73.3 73.9 72.5 67.8 63.3 58.3 52.8 53.3 53.8 60.2 64 69
Max °F 76.7 76.1 76.6 72.6 66.9 63.8 57.7 58.4 58.9 64.3 69.2 72

The warmest water temperature is in January with an average around 75°F / 23.9°C. The coldest month is July with an average water temperature of 55.2°F / 12.9°C.

7 day tide forecast for Rio Grande

ThuFriSatSunMonTueWed
  • Low 3:39am
    (0.6m)
  • High 7:29am
    (0.72m)
  • Low 8:53am
    (0.71m)
  • High 10:38am
    (0.72m)
  • Low 3:46pm
    (0.37m)
  • High 12:04am
    (0.92m)
  • Low 4:40am
    (0.59m)
  • High 11:50am
    (0.77m)
  • Low 4:56pm
    (0.37m)
  • High 1:06am
    (0.9m)
  • Low 5:34am
    (0.55m)
  • High 1:00pm
    (0.82m)
  • Low 6:00pm
    (0.37m)
  • High 2:02am
    (0.88m)
  • Low 6:24am
    (0.51m)
  • High 2:03pm
    (0.88m)
  • Low 7:00pm
    (0.39m)
  • High 2:54am
    (0.84m)
  • Low 7:11am
    (0.47m)
  • High 3:02pm
    (0.94m)
  • Low 7:57pm
    (0.42m)
  • High 3:43am
    (0.8m)
  • Low 7:57am
    (0.43m)
  • High 3:57pm
    (0.98m)
  • Low 8:51pm
    (0.46m)
  • High 4:29am
    (0.76m)
  • Low 8:42am
    (0.41m)
  • High 4:49pm
    (1m)
  • Low 9:43pm
    (0.5m)
7 day tide times for Rio Grande

*These tide times are estimates based on the nearest accurate location (Laguna, Brazil) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.