Thailand / Rayong / 18 August

Weather in Rayong on 18 August 2026

Preliminary outlook for 18 August 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +30°C and nighttime around +27°C, average precipitation 0.9 mm, wind around 3 m/s, humidity around 74%.

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 August →
+27°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +26°C Precipitation: 0.4 mm Wind: 4 — 5 m/s Humidity: 71%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 7 h
UV index 7 Cloud cover (avg.) 58%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +22°C
Heat index (avg.) +31°C Wind chill (avg.) +28°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 274° ← (W)
Sunrise
06:03
Duration
12 h 31 min
Sunset
18:34
Moonrise
00:56
Moonset
14:23
Moon phase
Last Quarter
Illumination
29%
+29°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +27°C Precipitation: 0.2 mm Wind: 3 — 4 m/s Humidity: 78%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 6 h
UV index 6 Cloud cover (avg.) 78%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +34°C Dew point (avg.) +24°C
Heat index (avg.) +34°C Wind chill (avg.) +29°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 168° ↓ (S)
Sunrise
06:03
Duration
12 h 31 min
Sunset
18:34
Moonrise
17:33
Moonset
04:15
Moon phase
Waxing Gibbous
Illumination
93%
+29°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +27°C Precipitation: 0.1 mm Wind: 4 — 5 m/s Humidity: 69%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 9 h
UV index 6 Cloud cover (avg.) 71%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +23°C
Heat index (avg.) +33°C Wind chill (avg.) +29°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 253° ↙ (WSW)
Sunrise
06:03
Duration
12 h 31 min
Sunset
18:34
Moonrise
07:23
Moonset
19:58
Moon phase
Waxing Crescent
Illumination
9%
+28°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +26°C Precipitation: 5.3 mm Wind: 4 — 5 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 10 h
UV index 7 Cloud cover (avg.) 58%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +23°C
Heat index (avg.) +31°C Wind chill (avg.) +28°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 244° ↙ (WSW)
Sunrise
06:03
Duration
12 h 31 min
Sunset
18:34
Moonrise
23:20
Moonset
11:29
Moon phase
Waning Gibbous
Illumination
54%
+29°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +27°C Precipitation: 0.2 mm Wind: 2 — 3 m/s Humidity: 74%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 9 h
UV index 7 Cloud cover (avg.) 65%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +24°C
Heat index (avg.) +33°C Wind chill (avg.) +29°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 221° ↓ (S)
Sunrise
06:03
Duration
12 h 31 min
Sunset
18:34
Moonrise
14:58
Moonset
01:36
Moon phase
Waxing Gibbous
Illumination
69%
+29°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +28°C Precipitation: 0 mm Wind: 3 — 3 m/s Humidity: 73%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 12 h
UV index 6 Cloud cover (avg.) 69%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +23°C
Heat index (avg.) +33°C Wind chill (avg.) +29°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 256° ← (W)
Sunrise
06:03
Duration
12 h 31 min
Sunset
18:34
Moonrise
05:00
Moonset
18:07
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +27°C Precipitation: 0.1 mm Wind: 4 — 5 m/s Humidity: 77%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 7 h
UV index 7 Cloud cover (avg.) 48%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +32°C Dew point (avg.) +24°C
Heat index (avg.) +32°C Wind chill (avg.) +28°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 228° ↙ (SW)
Sunrise
06:03
Duration
12 h 31 min
Sunset
18:34
Moonrise
20:36
Moonset
08:02
Moon phase
Waning Gibbous
Illumination
78%

Weather in Rayong on 18 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +30°C +26°C +27°C 7 h 7 71% 4 — 5 m/s
2024 +31°C +27°C +29°C 6 h 6 78% 3 — 4 m/s
2023 +32°C +27°C +29°C 9 h 6 69% 4 — 5 m/s
2022 +30°C +26°C +28°C 10 h 7 76% 4 — 5 m/s
2021 +31°C +27°C +29°C 9 h 7 74% 2 — 3 m/s
2020 +30°C +28°C +29°C 12 h 6 73% 3 — 3 m/s
2019 +29°C +27°C +28°C 7 h 7 77% 4 — 5 m/s