Weather in Rio Grande Brazil on 17 August 2026
Preliminary outlook for 17 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +18°C and nighttime around +13°C, average precipitation 0 mm, wind around 4 m/s, humidity around 84%.
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.
+14°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +14°C
Precipitation: 0.1 mm
Wind: 4 — 7 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +16°C | Sun hours | 4 h |
| UV index | 3 | Cloud cover (avg.) | 80% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +14°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +15°C | Wind chill (avg.) | +14°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 103° ↙ (SW) |
Sunrise
07:02
Duration
11 h 01 min
Sunset
18:03
Moonrise
02:19
Moonset
12:12
Moon phase
Last Quarter
Illumination
37%
+14°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +13°C
Precipitation: 0.1 mm
Wind: 4 — 6 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +15°C | Sun hours | 5 h |
| UV index | 4 | Cloud cover (avg.) | 62% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +13°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +14°C | Wind chill (avg.) | +13°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 130° → (ESE) |
Sunrise
07:02
Duration
11 h 01 min
Sunset
18:03
Moonrise
15:39
Moonset
05:35
Moon phase
Waxing Gibbous
Illumination
86%
+19°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 88%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 7 h |
| UV index | 5 | Cloud cover (avg.) | 26% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 60° ↑ (NNE) |
Sunrise
07:03
Duration
10 h 59 min
Sunset
18:02
Moonrise
07:56
Moonset
19:13
Moon phase
Waxing Crescent
Illumination
1%
+14°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +11°C
Precipitation: 0 mm
Wind: 5 — 8 m/s
Humidity: 88%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +17°C | Sun hours | 6 h |
| UV index | 4 | Cloud cover (avg.) | 32% |
| Pressure (avg.) | 758 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.) | +14°C | Wind chill (avg.) | +14°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 44° ↗ (NE) |
Sunrise
07:03
Duration
11 h 00 min
Sunset
18:03
Moonrise
No moonrise
Moonset
10:27
Moon phase
Waning Gibbous
Illumination
61%
+14°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +12°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +17°C | Sun hours | 11 h |
| UV index | 4 | Cloud cover (avg.) | 18% |
| Pressure (avg.) | 762 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.) | +14°C | Wind chill (avg.) | +14°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 91° ↗ (ENE) |
Sunrise
07:02
Duration
11 h 01 min
Sunset
18:03
Moonrise
13:02
Moonset
02:44
Moon phase
First Quarter
Illumination
61%
+11°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +8°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +15°C | Sun hours | 11 h |
| UV index | 4 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 763 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.) | +11°C | Wind chill (avg.) | +10°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 226° ↙ (SW) |
Sunrise
07:02
Duration
11 h 01 min
Sunset
18:03
Moonrise
06:04
Moonset
16:29
Moon phase
Waning Crescent
Illumination
1%
+19°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +15°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 21% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 149° ← (W) |
Sunrise
07:03
Duration
10 h 59 min
Sunset
18:02
Moonrise
20:01
Moonset
08:24
Moon phase
Waxing Gibbous
Illumination
86%
Weather in Rio Grande Brazil on 17 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+16°C
|
+14°C
|
+14°C | 4 h | 3 | 90% | 4 — 7 m/s |
| 2024 |
+15°C
|
+13°C
|
+14°C | 5 h | 4 | 90% | 4 — 6 m/s |
| 2023 |
+22°C
|
+16°C
|
+19°C | 7 h | 5 | 88% | 4 — 5 m/s |
| 2022 |
+17°C
|
+11°C
|
+14°C | 6 h | 4 | 88% | 5 — 8 m/s |
| 2021 |
+17°C
|
+12°C
|
+14°C | 11 h | 4 | 89% | 2 — 3 m/s |
| 2020 |
+15°C
|
+8°C
|
+11°C | 11 h | 4 | 65% | 3 — 3 m/s |
| 2019 |
+23°C
|
+15°C
|
+19°C | 11 h | 5 | 80% | 6 — 7 m/s |