Brazil / Jau / 18 October

Weather in Jau on 18 October 2026

Preliminary outlook for 18 October 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +31°C and nighttime around +19°C, average precipitation 1 mm, wind around 4 m/s, humidity around 71%.

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.

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Nearby days
19 October →
+21°C
Weather archive — latest year: 2025
Patchy light drizzle
Weather archive — latest year: 2025
Nighttime: +18°C Precipitation: 0.8 mm Wind: 2 — 4 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +26°C Sun hours 4 h
UV index 5 Cloud cover (avg.) 73%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature
Feels like (avg.) +22°C Dew point (avg.) +19°C
Heat index (avg.) +23°C Wind chill (avg.) +21°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 184° ↓ (SSW)
Sunrise
05:40
Duration
12 h 39 min
Sunset
18:19
Moonrise
03:54
Moonset
16:04
Moon phase
Waning Crescent
Illumination
15%
+26°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +20°C Precipitation: 0 mm Wind: 4 — 6 m/s Humidity: 54%
MetricValue MetricValue
Day temperature (max.) +36°C Sun hours 9 h
UV index 7 Cloud cover (avg.) 30%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +27°C Dew point (avg.) +16°C
Heat index (avg.) +27°C Wind chill (avg.) +27°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 224° ↖ (NNW)
Sunrise
05:40
Duration
12 h 39 min
Sunset
18:19
Moonrise
19:51
Moonset
06:15
Moon phase
Full Moon
Illumination
100%
+26°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +20°C Precipitation: 0 mm Wind: 5 — 6 m/s Humidity: 63%
MetricValue MetricValue
Day temperature (max.) +36°C Sun hours 12 h
UV index 7 Cloud cover (avg.) 6%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +27°C Dew point (avg.) +18°C
Heat index (avg.) +27°C Wind chill (avg.) +26°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 134° ↘ (SE)
Sunrise
05:40
Duration
12 h 39 min
Sunset
18:19
Moonrise
08:08
Moonset
22:10
Moon phase
Waxing Crescent
Illumination
23%
+22°C
Weather archive — for 2022 year
Heavy rain at times
Weather archive — for 2022 year
Nighttime: +18°C Precipitation: 1.1 mm Wind: 5 — 6 m/s Humidity: 74%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 11 h
UV index 6 Cloud cover (avg.) 55%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +22°C Dew point (avg.) +17°C
Heat index (avg.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 145° ↘ (SE)
Sunrise
05:40
Duration
12 h 39 min
Sunset
18:19
Moonrise
01:26
Moonset
12:19
Moon phase
Last Quarter
Illumination
40%
+19°C
Weather archive — for 2021 year
Moderate or heavy rain shower
Weather archive — for 2021 year
Nighttime: +17°C Precipitation: 5.2 mm Wind: 5 — 5 m/s Humidity: 89%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 1 h
UV index 4 Cloud cover (avg.) 95%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +20°C Dew point (avg.) +18°C
Heat index (avg.) +20°C Wind chill (avg.) +20°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 138° ↘ (SE)
Sunrise
05:40
Duration
12 h 39 min
Sunset
18:19
Moonrise
16:47
Moonset
04:36
Moon phase
Waxing Gibbous
Illumination
83%
+24°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +16°C Precipitation: 0 mm Wind: 4 — 7 m/s Humidity: 62%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 12 h
UV index 6 Cloud cover (avg.) 32%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +24°C Dew point (avg.) +14°C
Heat index (avg.) +24°C Wind chill (avg.) +24°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 116° ↗ (ENE)
Sunrise
05:40
Duration
12 h 39 min
Sunset
18:19
Moonrise
07:08
Moonset
20:31
Moon phase
Waxing Crescent
Illumination
5%
+28°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +22°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 69%
MetricValue MetricValue
Day temperature (max.) +37°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 21%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +18°C
Heat index (avg.) +30°C Wind chill (avg.) +28°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 140° ↑ (NNE)
Sunrise
05:40
Duration
12 h 39 min
Sunset
18:19
Moonrise
22:43
Moonset
08:58
Moon phase
Waning Gibbous
Illumination
64%

Weather in Jau on 18 October in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +26°C +18°C +21°C 4 h 5 85% 2 — 4 m/s
2024 +36°C +20°C +26°C 9 h 7 54% 4 — 6 m/s
2023 +36°C +20°C +26°C 12 h 7 63% 5 — 6 m/s
2022 +28°C +18°C +22°C 11 h 6 74% 5 — 6 m/s
2021 +23°C +17°C +19°C 1 h 4 89% 5 — 5 m/s
2020 +32°C +16°C +24°C 12 h 6 62% 4 — 7 m/s
2019 +37°C +22°C +28°C 13 h 7 69% 3 — 4 m/s