Rio de Janeiro Weather: August
 |
Average Day Temperature: | 82.3°F |
|
Average Night Temperature: | 69.1°F |
|
Sea Water Temperature: | 73.7°F |
|
Number of Sunny Days: | 19 days |
| Sunshine Hours: | 11.1 - 11.6 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 2.0 in | |
| detailed information | ||
forecast
| Rio de Janeiro |
Temperature
| Rio de Janeiro |
Air Temperature in August, °F
The highest day temperature in August 2025 was 92°F. The lowest night temperature was 60°F. The average values for day and night temperatures during August were 77.9°F и 66.5°F respectivly.
Rio de Janeiro Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Rio de Janeiro was 73.2°F. The maximum and minimum values were 71.6°F and 75.6°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Rio de Janeiro is 2.0 in. It makes august one of the least rainy months of the year.
The average wind speed in August is 6.9 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rio de Janeiro in August is 8.0 hours.
Rio de Janeiro on the Weather Map
| Anchieta |  |
+72 |
| Armacao dos Buzios |  |
+72 |
| Buzios | |
+72 |
| Florianopolis |  |
+70 |
| Fortaleza | |
+84 |
| Itajai | |
+70 |
| Jericoacoara | |
+80 |
| Recife | |
+84 |
| Rio de Janeiro | |
+74 |
| Rio Grande |  |
+70 |
| Salvador | |
+82 |
| Santos | |
+74 |
| Sao Paulo | |
+68 |
| Unamar | |
+74 |
| Xangri-la | |
+68 |
| 0600 |  |
74°F | S 2 mph |
| 0900 |  |
82°F | NW 5 mph |
| 1200 | |
82°F | NW 11 mph |
| 1500 |  |
80°F | NW 11 mph |
| 1800 | |
76°F | W 8 mph |
| 2100 |  |
74°F | W 6 mph |
| 0000 | |
72°F | W 5 mph |
| 0300 | |
70°F | SW 4 mph |