Weather forecast State of Rio de Janeiro 20-12-2025
Weather Saturday 20 December temperature from 15 °C to 29 °C, cloud cover up to 100%, precipitation is expected with a 100% chance, wind up to 1.69 m/s (gusts up to 2.97 m/s), air humidity from 64% to 98%, atmospheric pressure from 760 to 762 mm Hg, UV Index to 13.9 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
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 15 °C | 100% (0.63 mm/hr) | 74% | 98% | 761 mm Hg | NNE 0.69 m/s | 0 |
| 01:00 | Light rain shower | 17 °C | 100% (0.18 mm/hr) | 76% | 98% | 761 mm Hg | NNE 0.69 m/s | 0 |
| 02:00 |  Fog | 17 °C | 68% (0.02 mm/hr) | 100% | 98% | 761 mm Hg | NNE 0.69 m/s | 0 |
| 03:00 | Fog | 18 °C | 0% | 100% | 98% | 761 mm Hg | NNE 0.89 m/s | 0 |
| 04:00 | Fog | 18 °C | 0% | 100% | 97% | 761 mm Hg | NNE 0.81 m/s | 0 |
| 05:00 | Fog | 17 °C | 0% | 100% | 97% | 761 mm Hg | NNE 0.81 m/s | 0 |
| 06:00 |  Mist | 17 °C | 0% | 46% | 97% | 761 mm Hg | NNE 0.89 m/s | 0.2 |
| 07:00 | Mist | 18 °C | 0% | 35% | 96% | 761 mm Hg | NNE 0.89 m/s | 1.2 |
| 08:00 |  Patchy rain possible | 20 °C | 82% (0.01 mm/hr) | 83% | 91% | 761 mm Hg | NNE 0.69 m/s | 3.4 |
| 09:00 |  Partly cloudy | 23 °C | 0% | 50% | 78% | 761 mm Hg | NE 0.39 m/s | 7 |
| 10:00 | Patchy rain possible | 26 °C | 72% (0.05 mm/hr) | 53% | 66% | 761 mm Hg | N 0.19 m/s | 10.8 |
| 11:00 | Patchy rain possible | 27 °C | 100% (0.32 mm/hr) | 74% | 64% | 761 mm Hg | SSE 0.19 m/s | 13.9 |
| 12:00 | Patchy rain possible | 29 °C | 100% (0.43 mm/hr) | 71% | 65% | 761 mm Hg | ESE 0.81 m/s | 13.8 |
| 13:00 |  Light rain shower | 29 °C | 100% (0.85 mm/hr) | 51% | 66% | 761 mm Hg | E 1 m/s | 11.1 |
| 14:00 | Patchy rain possible | 28 °C | 100% (1.05 mm/hr) | 86% | 76% | 760 mm Hg | NE 1 m/s | 7.8 |
| 15:00 | Light rain shower | 27 °C | 100% (1.26 mm/hr) | 51% | 82% | 760 mm Hg | N 0.31 m/s | 4.9 |
| 16:00 | Light rain shower | 27 °C | 100% (1.37 mm/hr) | 59% | 82% | 760 mm Hg | SE 0.31 m/s | 2.9 |
| 17:00 |  Patchy light rain with thunder | 26 °C | 100% (0.65 mm/hr) | 81% | 87% | 760 mm Hg | ESE 0.69 m/s | 1.1 |
| 18:00 | Patchy light rain with thunder | 26 °C | 100% (0.16 mm/hr) | 78% | 87% | 760 mm Hg | ESE 0.81 m/s | 0.2 |
| 19:00 | Patchy rain possible | 24 °C | 100% (0.21 mm/hr) | 78% | 92% | 760 mm Hg | E 0.89 m/s | 0 |
| 20:00 | Mist | 22 °C | 0% | 35% | 95% | 761 mm Hg | NNE 1.11 m/s | 0 |
| 21:00 | Mist | 21 °C | 0% | 16% | 97% | 761 mm Hg | NNE 1.5 m/s | 0 |
| 22:00 | Mist | 21 °C | 85% (0.02 mm/hr) | 82% | 97% | 761 mm Hg | NNE 1.69 m/s | 0 |
| 23:00 | Mist | 20 °C | 0% | 42% | 97% | 762 mm Hg | NNE 1.69 m/s | 0 |
