Weather in Hoi An on 21 August 2026
Preliminary outlook for 21 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +32°C and nighttime around +26°C, average precipitation 0.4 mm, wind around 2 m/s, humidity around 80%.
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.
+28°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 6 h |
| UV index | 7 | Cloud cover (avg.) | 52% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 162° → (ESE) |
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
03:26
Moonset
16:50
Moon phase
Waning Crescent
Illumination
8%
+29°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 41% |
| 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.) | +23°C |
| Heat index (avg.) | +34°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 228° ↖ (NNW) |
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
19:28
Moonset
06:48
Moon phase
Waxing Gibbous
Illumination
85%
+28°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 44% |
| Pressure (avg.) | 755 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.) | 6 m/s | Wind direction (avg.) | 154° ↗ (NE) |
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
09:10
Moonset
21:10
Moon phase
Waxing Crescent
Illumination
30%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 55% |
| Pressure (avg.) | 753 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.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 210° ↙ (WSW) |
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
00:12
Moonset
13:41
Moon phase
Last Quarter
Illumination
32%
+29°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 33% |
| 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.) | 8 m/s | Wind direction (avg.) | 158° ↗ (ENE) |
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
17:28
Moonset
04:04
Moon phase
Waxing Gibbous
Illumination
91%
+27°C
Weather archive — for 2020 year
Heavy rain at times
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 1 h |
| UV index | 6 | Cloud cover (avg.) | 78% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 171° → (ESE) |
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
07:29
Moonset
20:06
Moon phase
Waxing Crescent
Illumination
13%
+29°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 755 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.) | 8 m/s | Wind direction (avg.) | 194° ↘ (SSE) |
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
21:57
Moonset
09:52
Moon phase
Waning Gibbous
Illumination
57%
Weather in Hoi An on 21 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+28°C | 6 h | 7 | 85% | 3 — 5 m/s |
| 2024 |
|
|
+29°C | 12 h | 7 | 74% | 2 — 3 m/s |
| 2023 |
|
|
+28°C | 9 h | 6 | 80% | 2 — 4 m/s |
| 2022 |
|
|
+28°C | 13 h | 6 | 78% | 2 — 3 m/s |
| 2021 |
|
|
+29°C | 11 h | 7 | 77% | 3 — 5 m/s |
| 2020 |
|
|
+27°C | 1 h | 6 | 81% | 2 — 3 m/s |
| 2019 |
|
|
+29°C | 11 h | 7 | 83% | 2 — 3 m/s |