Weather in Cabo Frio on 31 July 2026
Preliminary outlook for 31 July 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +22°C and nighttime around +18°C, average precipitation 0.2 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.
+18°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 3 h |
| UV index | 5 | Cloud cover (avg.) | 41% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 222° ↙ (SW) |
Sunrise
06:22
Duration
11 h 05 min
Sunset
17:27
Moonrise
10:26
Moonset
23:40
Moon phase
Waxing Crescent
Illumination
36%
+21°C
Weather archive — for 2024 year
Light rain shower
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 6 h |
| UV index | 5 | Cloud cover (avg.) | 74% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 111° → (E) |
Sunrise
06:22
Duration
11 h 05 min
Sunset
17:27
Moonrise
03:10
Moonset
13:50
Moon phase
Waning Crescent
Illumination
26%
+20°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 42% |
| Pressure (avg.) | 769 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 58° ↗ (NE) |
Sunrise
06:22
Duration
11 h 05 min
Sunset
17:27
Moonrise
16:14
Moonset
05:22
Moon phase
Waxing Gibbous
Illumination
89%
+20°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 24% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 224° ↙ (SW) |
Sunrise
06:22
Duration
11 h 05 min
Sunset
17:27
Moonrise
08:23
Moonset
20:03
Moon phase
Waxing Crescent
Illumination
12%
+17°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 2 h |
| UV index | 4 | Cloud cover (avg.) | 79% |
| Pressure (avg.) | 773 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 184° ↘ (SSE) |
Sunrise
06:22
Duration
11 h 05 min
Sunset
17:27
Moonrise
No moonrise
Moonset
11:19
Moon phase
Last Quarter
Illumination
51%
+20°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 11 h |
| UV index | 4 | Cloud cover (avg.) | 67% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 112° → (E) |
Sunrise
06:22
Duration
11 h 05 min
Sunset
17:27
Moonrise
14:40
Moonset
03:39
Moon phase
Waxing Gibbous
Illumination
72%
+21°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 167° ↙ (WSW) |
Sunrise
06:23
Duration
11 h 04 min
Sunset
17:27
Moonrise
05:50
Moonset
17:02
Moon phase
New Moon
Illumination
0%
Weather in Cabo Frio on 31 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+18°C | 3 h | 5 | 69% | 4 — 6 m/s |
| 2024 |
|
|
+21°C | 6 h | 5 | 78% | 6 — 7 m/s |
| 2023 |
|
|
+20°C | 10 h | 5 | 76% | 5 — 6 m/s |
| 2022 |
|
|
+20°C | 11 h | 6 | 65% | 4 — 5 m/s |
| 2021 |
|
|
+17°C | 2 h | 4 | 66% | 4 — 4 m/s |
| 2020 |
|
|
+20°C | 11 h | 4 | 80% | 6 — 6 m/s |
| 2019 |
|
|
+21°C | 11 h | 6 | 80% | 4 — 6 m/s |