Weather forecast State of Rio de Janeiro 21-12-2025
Weather Sunday 21 December temperature from 15 °C to 28 °C, cloud cover up to 82%, precipitation is expected with a 100% chance, wind up to 1.89 m/s (gusts up to 4 m/s), air humidity from 60% to 97%, atmospheric pressure from 759 to 761 mm Hg, UV Index to 10 during the day. Forecast for the next days on the table.
Sunrise 05:00
Sunset 18:33
Sunset 18:33
Chart
Table
Type of temperature:
°C
°FSun, 21 Dec, 2025
| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Mist | 20 °C | 0% | 38% | 97% | 761 mm Hg | NNE 1.61 m/s | 0 |
| 01:00 | Mist | 15 °C | 0% | 25% | 96% | 761 mm Hg | N 1.69 m/s | 0 |
| 02:00 | Mist | 19 °C | 0% | 34% | 96% | 761 mm Hg | NNE 1.61 m/s | 0 |
| 03:00 | Mist | 19 °C | 0% | 22% | 96% | 761 mm Hg | NNE 1.69 m/s | 0 |
| 04:00 | Mist | 15 °C | 0% | 45% | 95% | 761 mm Hg | NNE 1.31 m/s | 0 |
| 05:00 | Mist | 19 °C | 0% | 10% | 95% | 761 mm Hg | N 1.89 m/s | 0 |
| 06:00 | Mist | 19 °C | 0% | 9% | 94% | 761 mm Hg | NNE 1.69 m/s | 0.4 |
| 07:00 |  Partly cloudy | 18 °C | 0% | 28% | 93% | 761 mm Hg | NNE 1.31 m/s | 1.7 |
| 08:00 |  Sunny | 23 °C | 0% | 10% | 79% | 761 mm Hg | NNE 1 m/s | 4.3 |
| 09:00 | Sunny | 25 °C | 0% | 9% | 64% | 761 mm Hg | ENE 0.61 m/s | 8 |
| 10:00 |  Partly cloudy | 28 °C | 0% | 29% | 60% | 761 mm Hg | ENE 0.61 m/s | 10 |
| 11:00 |  Patchy rain possible | 28 °C | 100% (0.1 mm/hr) | 47% | 60% | 761 mm Hg | ENE 1 m/s | 9 |
| 12:00 | Partly cloudy | 28 °C | 100% (0.2 mm/hr) | 64% | 61% | 761 mm Hg | ENE 1.31 m/s | 10 |
| 13:00 | Patchy rain possible | 28 °C | 100% (0.29 mm/hr) | 82% | 61% | 760 mm Hg | ENE 1.69 m/s | 9 |
| 14:00 | Patchy rain possible | 28 °C | 100% (0.2 mm/hr) | 80% | 62% | 760 mm Hg | NE 1.5 m/s | 9 |
| 15:00 | Patchy rain possible | 27 °C | 100% (0.1 mm/hr) | 79% | 63% | 759 mm Hg | NE 1.39 m/s | 9 |
| 16:00 | Patchy rain possible | 26 °C | 64% (0.01 mm/hr) | 77% | 64% | 759 mm Hg | NNE 1.19 m/s | 9 |
| 17:00 | Sunny | 25 °C | 43% | 59% | 70% | 759 mm Hg | NNE 1.11 m/s | 10 |
| 18:00 | Patchy rain possible | 25 °C | 21% | 41% | 75% | 760 mm Hg | NE 0.89 m/s | 8 |
| 19:00 | Clear | 24 °C | 0% | 23% | 81% | 760 mm Hg | NE 0.81 m/s | 0 |
| 20:00 |  Clear | 22 °C | 0% | 19% | 85% | 761 mm Hg | NE 1.19 m/s | 0 |
| 21:00 | Clear | 21 °C | 0% | 14% | 88% | 761 mm Hg | NNE 1.5 m/s | 0 |
| 22:00 | Clear | 19 °C | 0% | 9% | 92% | 761 mm Hg | NNE 1.89 m/s | 0 |
| 23:00 | Clear | 18 °C | 0% | 8% | 91% | 761 mm Hg | NNE 1.89 m/s | 0 |
Sun, 21 Dec, 2025
