Weather in Rio Grande Brazil on 13 August 2026
Preliminary outlook for 13 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +14°C and nighttime around +9°C, average precipitation 0 mm, wind around 5 m/s, humidity around 78%.
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
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +16°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 14% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +11°C | Dew point (avg.) | +9°C |
| Heat index (avg.) | +13°C | Wind chill (avg.) | +11°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 247° ↙ (SW) |
Sunrise
07:06
Duration
10 h 54 min
Sunset
18:00
Moonrise
22:49
Moonset
09:31
Moon phase
Waning Gibbous
Illumination
66%
+9°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +12°C | Sun hours | 10 h |
| UV index | 3 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +7°C | Dew point (avg.) | +3°C |
| Heat index (avg.) | +9°C | Wind chill (avg.) | +7°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 209° ↖ (NNW) |
Sunrise
07:06
Duration
10 h 54 min
Sunset
18:00
Moonrise
11:50
Moonset
01:38
Moon phase
First Quarter
Illumination
57%
+10°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +12°C | Sun hours | 7 h |
| UV index | 3 | Cloud cover (avg.) | 24% |
| Pressure (avg.) | 771 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +8°C | Dew point (avg.) | +4°C |
| Heat index (avg.) | +10°C | Wind chill (avg.) | +8°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 179° ↓ (S) |
Sunrise
07:07
Duration
10 h 53 min
Sunset
18:00
Moonrise
05:35
Moonset
15:25
Moon phase
Waning Crescent
Illumination
13%
+16°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 23% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +15°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +15°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 42° ↑ (NNE) |
Sunrise
07:07
Duration
10 h 53 min
Sunset
18:00
Moonrise
19:56
Moonset
08:24
Moon phase
Full Moon
Illumination
100%
+13°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +15°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 52% |
| Pressure (avg.) | 771 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +11°C | Dew point (avg.) | +9°C |
| Heat index (avg.) | +13°C | Wind chill (avg.) | +11°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 102° → (E) |
Sunrise
07:07
Duration
10 h 53 min
Sunset
18:00
Moonrise
10:18
Moonset
23:21
Moon phase
Waxing Crescent
Illumination
32%
+13°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +15°C | Sun hours | 2 h |
| UV index | 3 | Cloud cover (avg.) | 89% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +12°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +13°C | Wind chill (avg.) | +12°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 155° ↓ (S) |
Sunrise
07:06
Duration
10 h 54 min
Sunset
18:00
Moonrise
02:19
Moonset
12:50
Moon phase
Last Quarter
Illumination
30%
+9°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +11°C | Sun hours | 10 h |
| UV index | 3 | Cloud cover (avg.) | 41% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +6°C | Dew point (avg.) | +5°C |
| Heat index (avg.) | +10°C | Wind chill (avg.) | +6°C |
| Wind gusts (max.) | 16 m/s | Wind direction (avg.) | 227° ↙ (SW) |
Sunrise
07:07
Duration
10 h 53 min
Sunset
18:00
Moonrise
16:23
Moonset
05:54
Moon phase
Waxing Gibbous
Illumination
85%
Weather in Rio Grande Brazil on 13 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+12°C | 9 h | 4 | 81% | 5 — 8 m/s |
| 2024 |
|
|
+9°C | 10 h | 3 | 71% | 3 — 4 m/s |
| 2023 |
|
|
+10°C | 7 h | 3 | 67% | 4 — 6 m/s |
| 2022 |
|
|
+16°C | 10 h | 5 | 88% | 4 — 6 m/s |
| 2021 |
|
|
+13°C | 10 h | 4 | 79% | 4 — 5 m/s |
| 2020 |
|
|
+13°C | 2 h | 3 | 87% | 4 — 5 m/s |
| 2019 |
|
|
+9°C | 10 h | 3 | 74% | 9 — 10 m/s |