Vietnam / Hoi An / 21 May

Weather in Hoi An on 21 May 2026

Weather observations for 21 May 2026

The stored hourly record for Hoi An on 21 May 2026 shows temperatures from +25°C to +32°C.

Key figures: precipitation 7.5 mm, wind 1 — 4 m/s, average humidity 80%.

← 20 May
Nearby days
22 May →
+32°C
Hourly weather — 2026
Patchy rain nearby
Hourly observations for a past date
Hourly weather — 2026
Nighttime: +25°C Sea temperature: +29°C Precipitation: 7.5 mm Wind: 1 — 4 m/s Humidity: 80%

Hourly observations

21 May
00:00
+26°C
2 m/s
01:00
+25°C
3 m/s
02:00
+25°C
3 m/s
03:00
+25°C
2 m/s
04:00
+25°C
3 m/s
05:00
+25°C
3 m/s
06:00
+25°C
3 m/s
07:00
+28°C
3 m/s
08:00
+30°C
2 m/s
09:00
+31°C
2 m/s
10:00
+32°C
2 m/s
11:00
+32°C
3 m/s
0.1 mm
12:00
+32°C
4 m/s
0.1 mm
13:00
+31°C
4 m/s
0.1 mm
14:00
+30°C
4 m/s
0.1 mm
15:00
+29°C
4 m/s
0.5 mm
16:00
+29°C
3 m/s
0.6 mm
17:00
+28°C
2 m/s
0.4 mm
18:00
+27°C
1 m/s
0.1 mm
19:00
+27°C
1 m/s
0.6 mm
20:00
+26°C
1 m/s
2.6 mm
21:00
+26°C
2 m/s
2.1 mm
22:00
+26°C
1 m/s
0.2 mm
23:00
+26°C
2 m/s
May 21, 2026 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Temperature +26°C +25°C +25°C +25°C +25°C +25°C +25°C +28°C +30°C +31°C +32°C +32°C +32°C +31°C +30°C +29°C +29°C +28°C +27°C +27°C +26°C +26°C +26°C +26°C
Feels like +28°C +28°C +28°C +28°C +28°C +27°C +28°C +31°C +34°C +36°C +37°C +37°C +37°C +37°C +35°C +35°C +34°C +33°C +32°C +31°C +30°C +30°C +30°C +30°C
Precipitation 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0.1 mm 0.1 mm 0.1 mm 0.1 mm 0.5 mm 0.6 mm 0.4 mm 0.1 mm 0.6 mm 2.6 mm 2.1 mm 0.2 mm 0 mm
Humidity 87% 87% 87% 87% 86% 85% 83% 77% 68% 61% 59% 60% 62% 67% 73% 77% 82% 84% 88% 91% 91% 91% 92% 92%
Wind 2 m/s 3 m/s 3 m/s 2 m/s 3 m/s 3 m/s 3 m/s 3 m/s 2 m/s 2 m/s 2 m/s 3 m/s 4 m/s 4 m/s 4 m/s 4 m/s 3 m/s 2 m/s 1 m/s 1 m/s 1 m/s 2 m/s 1 m/s 2 m/s
Wind gusts 4 m/s 5 m/s 5 m/s 4 m/s 5 m/s 6 m/s 5 m/s 4 m/s 2 m/s 2 m/s 3 m/s 3 m/s 4 m/s 5 m/s 5 m/s 4 m/s 3 m/s 3 m/s 2 m/s 2 m/s 2 m/s 3 m/s 1 m/s 3 m/s
Wind direction 250° (WSW) 238° (WSW) 236° (WSW) 225° (SW) 216° (SW) 214° (SW) 219° (SW) 221° (SW) 206° (SSW) 173° (S) 137° (SE) 107° (ESE) 88° (E) 71° (ENE) 63° (ENE) 64° (ENE) 77° (ENE) 86° (E) 98° (E) 114° (ESE) 130° (SE) 134° (SE) 167° (SSE) 262° (W)
Pressure 754 mmHg 754 mmHg 753 mmHg 753 mmHg 754 mmHg 754 mmHg 755 mmHg 755 mmHg 756 mmHg 756 mmHg 755 mmHg 755 mmHg 755 mmHg 754 mmHg 754 mmHg 754 mmHg 754 mmHg 755 mmHg 755 mmHg 755 mmHg 756 mmHg 756 mmHg 756 mmHg 756 mmHg
Cloud cover 49% 55% 49% 50% 48% 35% 28% 32% 43% 31% 28% 77% 83% 70% 80% 75% 72% 72% 56% 57% 60% 57% 60% 73%
Visibility 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 9 km 9 km 10 km 9 km 5 km 8 km 10 km 10 km 10 km
UV index 0 0 0 0 0 0 0 1 2 3 5 8 12 10 6 3 1 0 0 0 1 1 1 1
Rain chance 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 83%
Snow chance 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Water temperature +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C +29°C
Sunrise
09:16
Duration
12 h 56 min
Sunset
22:12
Moonrise
09:25
Moonset
22:52
Moon phase
Waxing Crescent
Illumination
25%
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 82%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 8 h
UV index 7 Cloud cover (avg.) 34%
Pressure (avg.) 755 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.) 154° → (E)
Sunrise
05:16
Duration
12 h 55 min
Sunset
18:11
Moonrise
00:28
Moonset
12:25
Moon phase
Last Quarter
Illumination
32%
+26°C
Weather archive — for 2024 year
Heavy rain at times
Weather archive — for 2024 year
Nighttime: +25°C Precipitation: 3.3 mm Wind: 2 — 3 m/s Humidity: 88%
MetricValue MetricValue
Day temperature (max.) +27°C Sun hours 1 h
UV index 7 Cloud cover (avg.) 80%
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.) +24°C
Heat index (avg.) +29°C Wind chill (avg.) +26°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 269° ← (WNW)
Sunrise
05:16
Duration
12 h 55 min
Sunset
18:11
Moonrise
16:17
Moonset
03:22
Moon phase
Waxing Gibbous
Illumination
90%
+30°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +26°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 73%
MetricValue MetricValue
Day temperature (max.) +35°C Sun hours 13 h
UV index 8 Cloud cover (avg.) 33%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +35°C Dew point (avg.) +24°C
Heat index (avg.) +35°C Wind chill (avg.) +30°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 156° → (E)
Sunrise
05:16
Duration
12 h 55 min
Sunset
18:11
Moonrise
06:16
Moonset
19:50
Moon phase
Waxing Crescent
Illumination
6%
+27°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +25°C Precipitation: 3.4 mm Wind: 2 — 3 m/s Humidity: 86%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 11 h
UV index 6 Cloud cover (avg.) 68%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +24°C
Heat index (avg.) +30°C Wind chill (avg.) +27°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 155° ↗ (ENE)
Sunrise
05:16
Duration
12 h 55 min
Sunset
18:11
Moonrise
23:38
Moonset
10:13
Moon phase
Waning Gibbous
Illumination
57%
+30°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +27°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +34°C Sun hours 12 h
UV index 7 Cloud cover (avg.) 15%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +36°C Dew point (avg.) +24°C
Heat index (avg.) +36°C Wind chill (avg.) +30°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 143° → (E)
Sunrise
05:16
Duration
12 h 55 min
Sunset
18:11
Moonrise
13:07
Moonset
01:07
Moon phase
First Quarter
Illumination
66%
+30°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +28°C Precipitation: 0.4 mm Wind: 2 — 3 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +34°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 37%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +37°C Dew point (avg.) +25°C
Heat index (avg.) +37°C Wind chill (avg.) +31°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 178° → (ESE)
Sunrise
05:16
Duration
12 h 55 min
Sunset
18:11
Moonrise
04:12
Moonset
17:02
Moon phase
New Moon
Illumination
0%
+30°C
Weather archive — for 2019 year
Moderate rain at times
Weather archive — for 2019 year
Nighttime: +27°C Precipitation: 0.9 mm Wind: 3 — 5 m/s Humidity: 75%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 39%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature
Feels like (avg.) +36°C Dew point (avg.) +25°C
Heat index (avg.) +36°C Wind chill (avg.) +30°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 140° ↗ (NE)
Sunrise
05:16
Duration
12 h 55 min
Sunset
18:11
Moonrise
20:31
Moonset
07:09
Moon phase
Waxing Gibbous
Illumination
81%

Weather in Hoi An on 21 May in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +32°C +24°C +27°C 8 h 7 82% 3 — 4 m/s
2024 +27°C +25°C +26°C 1 h 7 88% 2 — 3 m/s
2023 +35°C +26°C +30°C 13 h 8 73% 2 — 3 m/s
2022 +30°C +25°C +27°C 11 h 6 86% 2 — 3 m/s
2021 +34°C +27°C +30°C 12 h 7 76% 3 — 4 m/s
2020 +34°C +28°C +30°C 13 h 7 76% 2 — 3 m/s
2019 +33°C +27°C +30°C 11 h 7 75% 3 — 5 m/s