Brazil / Rondonopolis / 18 August

Weather in Rondonopolis on 18 August 2026

Preliminary outlook for 18 August 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +39°C and nighttime around +21°C, average precipitation 0.1 mm, wind around 2 m/s, humidity around 27%.

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.

← 17 August
Nearby days
19 August →
+30°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +22°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 23%
MetricValue MetricValue
Day temperature (max.) +40°C Sun hours 12 h
UV index 8 Cloud cover (avg.) 5%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +29°C Dew point (avg.) +6°C
Heat index (avg.) +30°C Wind chill (avg.) +30°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 73° ↗ (NE)
Sunrise
05:55
Duration
11 h 36 min
Sunset
17:31
Moonrise
01:54
Moonset
13:06
Moon phase
Last Quarter
Illumination
29%
+31°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +22°C Precipitation: 0 mm Wind: 2 — 4 m/s Humidity: 19%
MetricValue MetricValue
Day temperature (max.) +42°C Sun hours 12 h
UV index 8 Cloud cover (avg.) 2%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +29°C Dew point (avg.) +6°C
Heat index (avg.) +29°C Wind chill (avg.) +30°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 108° ↗ (NE)
Sunrise
05:54
Duration
11 h 37 min
Sunset
17:31
Moonrise
16:32
Moonset
04:59
Moon phase
Waxing Gibbous
Illumination
93%
+29°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +21°C Precipitation: 0 mm Wind: 2 — 4 m/s Humidity: 25%
MetricValue MetricValue
Day temperature (max.) +38°C Sun hours 12 h
UV index 7 Cloud cover (avg.) 6%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +8°C
Heat index (avg.) +29°C Wind chill (avg.) +29°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 129° ↑ (N)
Sunrise
05:55
Duration
11 h 36 min
Sunset
17:31
Moonrise
07:23
Moonset
19:26
Moon phase
Waxing Crescent
Illumination
9%
+27°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +20°C Precipitation: 0.4 mm Wind: 3 — 5 m/s Humidity: 40%
MetricValue MetricValue
Day temperature (max.) +37°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 41%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +14°C
Heat index (avg.) +28°C Wind chill (avg.) +27°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 152° ← (WNW)
Sunrise
05:55
Duration
11 h 36 min
Sunset
17:31
Moonrise
23:47
Moonset
10:34
Moon phase
Waning Gibbous
Illumination
54%
+30°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +22°C Precipitation: 0 mm Wind: 3 — 6 m/s Humidity: 20%
MetricValue MetricValue
Day temperature (max.) +38°C Sun hours 12 h
UV index 8 Cloud cover (avg.) 2%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +7°C
Heat index (avg.) +28°C Wind chill (avg.) +29°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 62° ↗ (NE)
Sunrise
05:55
Duration
11 h 36 min
Sunset
17:31
Moonrise
13:48
Moonset
02:24
Moon phase
Waxing Gibbous
Illumination
69%
+30°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +21°C Precipitation: 0 mm Wind: 2 — 4 m/s Humidity: 25%
MetricValue MetricValue
Day temperature (max.) +40°C Sun hours 12 h
UV index 8 Cloud cover (avg.) 3%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +29°C Dew point (avg.) +9°C
Heat index (avg.) +29°C Wind chill (avg.) +29°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 220° ↑ (N)
Sunrise
05:54
Duration
11 h 37 min
Sunset
17:31
Moonrise
05:35
Moonset
17:14
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
Nighttime: +21°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 35%
MetricValue MetricValue
Day temperature (max.) +36°C Sun hours 12 h
UV index 7 Cloud cover (avg.) 20%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +27°C Dew point (avg.) +13°C
Heat index (avg.) +28°C Wind chill (avg.) +28°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 140° ↖ (NNW)
Sunrise
05:55
Duration
11 h 36 min
Sunset
17:31
Moonrise
20:09
Moonset
07:58
Moon phase
Waning Gibbous
Illumination
78%

Weather in Rondonopolis on 18 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +40°C +22°C +30°C 12 h 8 23% 2 — 3 m/s
2024 +42°C +22°C +31°C 12 h 8 19% 2 — 4 m/s
2023 +38°C +21°C +29°C 12 h 7 25% 2 — 4 m/s
2022 +37°C +20°C +27°C 11 h 7 40% 3 — 5 m/s
2021 +38°C +22°C +30°C 12 h 8 20% 3 — 6 m/s
2020 +40°C +21°C +30°C 12 h 8 25% 2 — 4 m/s
2019 +36°C +21°C +28°C 12 h 7 35% 2 — 3 m/s