Brazil / Jau / 4 August

Weather in Jau on 4 August 2026

Preliminary outlook for 4 August 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +27°C and nighttime around +14°C, average precipitation 0 mm, wind around 3 m/s, humidity around 49%.

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.

← 3 August
Nearby days
5 August →
+21°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +15°C Precipitation: 0 mm Wind: 2 — 4 m/s Humidity: 26%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 6 h
UV index 6 Cloud cover (avg.) 32%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +21°C Dew point (avg.) +1°C
Heat index (avg.) +21°C Wind chill (avg.) +22°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 82° ↑ (NNE)
Sunrise
06:45
Duration
11 h 10 min
Sunset
17:55
Moonrise
13:34
Moonset
02:49
Moon phase
Waxing Gibbous
Illumination
69%
+25°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +19°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 36%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 29%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +25°C Dew point (avg.) +9°C
Heat index (avg.) +25°C Wind chill (avg.) +25°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 55° ↑ (NNE)
Sunrise
06:45
Duration
11 h 10 min
Sunset
17:55
Moonrise
07:00
Moonset
18:11
Moon phase
New Moon
Illumination
0%
+22°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +14°C Precipitation: 0 mm Wind: 3 — 3 m/s Humidity: 42%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 11 h
UV index 6 Cloud cover (avg.) 0%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +21°C Dew point (avg.) +8°C
Heat index (avg.) +22°C Wind chill (avg.) +22°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 151° → (ESE)
Sunrise
06:46
Duration
11 h 09 min
Sunset
17:55
Moonrise
21:13
Moonset
09:03
Moon phase
Waning Gibbous
Illumination
78%
+26°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +19°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 35%
MetricValue MetricValue
Day temperature (max.) +34°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 9%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +24°C Dew point (avg.) +9°C
Heat index (avg.) +25°C Wind chill (avg.) +25°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 222° ↖ (NNW)
Sunrise
06:46
Duration
11 h 09 min
Sunset
17:55
Moonrise
11:03
Moonset
No moonset
Moon phase
First Quarter
Illumination
44%
+16°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +10°C Precipitation: 0 mm Wind: 5 — 6 m/s Humidity: 64%
MetricValue MetricValue
Day temperature (max.) +24°C Sun hours 11 h
UV index 5 Cloud cover (avg.) 12%
Pressure (avg.) 769 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +15°C Dew point (avg.) +8°C
Heat index (avg.) +17°C Wind chill (avg.) +15°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 133° → (ESE)
Sunrise
06:45
Duration
11 h 10 min
Sunset
17:55
Moonrise
03:33
Moonset
14:26
Moon phase
Waning Crescent
Illumination
18%
+19°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +12°C Precipitation: 0 mm Wind: 3 — 3 m/s Humidity: 60%
MetricValue MetricValue
Day temperature (max.) +26°C Sun hours 11 h
UV index 5 Cloud cover (avg.) 1%
Pressure (avg.) 769 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +19°C Dew point (avg.) +9°C
Heat index (avg.) +20°C Wind chill (avg.) +19°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 113° ↗ (ENE)
Sunrise
06:45
Duration
11 h 10 min
Sunset
17:55
Moonrise
18:57
Moonset
07:33
Moon phase
Full Moon
Illumination
100%
+13°C
Weather archive — for 2019 year
Cloudy
Weather archive — for 2019 year
Nighttime: +12°C Precipitation: 0.2 mm Wind: 5 — 6 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +16°C Sun hours 10 h
UV index 4 Cloud cover (avg.) 70%
Pressure (avg.) 769 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature
Feels like (avg.) +11°C Dew point (avg.) +10°C
Heat index (avg.) +13°C Wind chill (avg.) +11°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 136° ↘ (SE)
Sunrise
06:46
Duration
11 h 09 min
Sunset
17:55
Moonrise
09:38
Moonset
21:51
Moon phase
Waxing Crescent
Illumination
20%

Weather in Jau on 4 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +29°C +15°C +21°C 6 h 6 26% 2 — 4 m/s
2024 +32°C +19°C +25°C 11 h 7 36% 3 — 5 m/s
2023 +30°C +14°C +22°C 11 h 6 42% 3 — 3 m/s
2022 +34°C +19°C +26°C 11 h 7 35% 3 — 5 m/s
2021 +24°C +10°C +16°C 11 h 5 64% 5 — 6 m/s
2020 +26°C +12°C +19°C 11 h 5 60% 3 — 3 m/s
2019 +16°C +12°C +13°C 10 h 4 80% 5 — 6 m/s