Weather in Rio Grande Brazil on 12 August 2026
Preliminary outlook for 12 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +15°C and nighttime around +10°C, average precipitation 0.1 mm, wind around 5 m/s, humidity around 73%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+12°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +9°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +17°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +12°C | Dew point (avg.) | +9°C |
| Heat index (avg.) | +12°C | Wind chill (avg.) | +12°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 183° ↖ (NNW) |
Sunrise
07:07
Duration
10 h 53 min
Sunset
18:00
Moonrise
21:43
Moonset
09:01
Moon phase
Waning Gibbous
Illumination
73%
+9°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +8°C
Precipitation: 0 mm
Wind: 9 — 10 m/s
Humidity: 66%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +11°C | Sun hours | 7 h |
| UV index | 3 | Cloud cover (avg.) | 54% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +6°C | Dew point (avg.) | +4°C |
| Heat index (avg.) | +10°C | Wind chill (avg.) | +6°C |
| Wind gusts (max.) | 16 m/s | Wind direction (avg.) | 237° ↙ (SW) |
Sunrise
07:07
Duration
10 h 53 min
Sunset
18:00
Moonrise
11:13
Moonset
00:37
Moon phase
First Quarter
Illumination
50%
+12°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +10°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
Humidity: 60%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +15°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +10°C | Dew point (avg.) | +5°C |
| Heat index (avg.) | +13°C | Wind chill (avg.) | +10°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 230° ↙ (WSW) |
Sunrise
07:08
Duration
10 h 51 min
Sunset
17:59
Moonrise
04:45
Moonset
14:29
Moon phase
Waning Crescent
Illumination
20%
+15°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +13°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 6% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +14°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +15°C | Wind chill (avg.) | +14°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 45° ↗ (NE) |
Sunrise
07:08
Duration
10 h 51 min
Sunset
17:59
Moonrise
18:47
Moonset
07:47
Moon phase
Full Moon
Illumination
100%
+11°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +8°C
Precipitation: 0 mm
Wind: 4 — 4 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +14°C | Sun hours | 10 h |
| UV index | 3 | Cloud cover (avg.) | 34% |
| Pressure (avg.) | 771 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +10°C | Dew point (avg.) | +6°C |
| Heat index (avg.) | +11°C | Wind chill (avg.) | +10°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 129° ↘ (SE) |
Sunrise
07:08
Duration
10 h 52 min
Sunset
18:00
Moonrise
09:47
Moonset
22:16
Moon phase
Waxing Crescent
Illumination
25%
+10°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +8°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +13°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 33% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +9°C | Dew point (avg.) | +3°C |
| Heat index (avg.) | +10°C | Wind chill (avg.) | +9°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 122° ↗ (ENE) |
Sunrise
07:07
Duration
10 h 53 min
Sunset
18:00
Moonrise
01:22
Moonset
12:11
Moon phase
Last Quarter
Illumination
38%
+13°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
Nighttime: +12°C
Precipitation: 0.7 mm
Wind: 3 — 4 m/s
Humidity: 92%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +14°C | Sun hours | 9 h |
| UV index | 3 | Cloud cover (avg.) | 50% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +12°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +13°C | Wind chill (avg.) | +12°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 188° ← (W) |
Sunrise
07:08
Duration
10 h 51 min
Sunset
17:59
Moonrise
15:30
Moonset
05:06
Moon phase
Waxing Gibbous
Illumination
78%
Weather in Rio Grande Brazil on 12 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+17°C
|
+9°C
|
+12°C | 10 h | 4 | 79% | 3 — 4 m/s |
| 2024 |
+11°C
|
+8°C
|
+9°C | 7 h | 3 | 66% | 9 — 10 m/s |
| 2023 |
+15°C
|
+10°C
|
+12°C | 10 h | 4 | 60% | 6 — 7 m/s |
| 2022 |
+18°C
|
+13°C
|
+15°C | 10 h | 4 | 83% | 6 — 7 m/s |
| 2021 |
+14°C
|
+8°C
|
+11°C | 10 h | 3 | 68% | 4 — 4 m/s |
| 2020 |
+13°C
|
+8°C
|
+10°C | 10 h | 4 | 63% | 3 — 5 m/s |
| 2019 |
+14°C
|
+12°C
|
+13°C | 9 h | 3 | 92% | 3 — 4 m/s |