Weather in Hoi An on 21 December 2026
Preliminary outlook for 21 December 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +22°C and nighttime around +20°C, average precipitation 2.5 mm, wind around 3 m/s, humidity around 88%.
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.
+23°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +22°C
Precipitation: 3.5 mm
Wind: 4 — 6 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 97% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 96° ↑ (N) |
Sunrise
06:09
Duration
11 h 12 min
Sunset
17:21
Moonrise
07:06
Moonset
18:21
Moon phase
Waxing Crescent
Illumination
6%
+20°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
Nighttime: +19°C
Precipitation: 0.1 mm
Wind: 2 — 3 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 99% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 61° ↗ (NE) |
Sunrise
06:09
Duration
11 h 12 min
Sunset
17:21
Moonrise
22:49
Moonset
10:46
Moon phase
Waning Gibbous
Illumination
57%
+21°C
Weather archive — for 2023 year
Moderate rain at times
Weather archive — for 2023 year
Nighttime: +20°C
Precipitation: 7.3 mm
Wind: 4 — 5 m/s
Humidity: 88%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 100% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 112° ↑ (N) |
Sunrise
06:09
Duration
11 h 11 min
Sunset
17:20
Moonrise
12:48
Moonset
00:35
Moon phase
First Quarter
Illumination
59%
+20°C
Weather archive — for 2022 year
Moderate or heavy rain shower
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 4.2 mm
Wind: 3 — 5 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 100% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 321° ↖ (NNW) |
Sunrise
06:09
Duration
11 h 11 min
Sunset
17:20
Moonrise
03:37
Moonset
15:13
Moon phase
Waning Crescent
Illumination
4%
+21°C
Weather archive — for 2021 year
Overcast
Weather archive — for 2021 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 66% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 310° ↖ (NNW) |
Sunrise
06:09
Duration
11 h 12 min
Sunset
17:21
Moonrise
19:07
Moonset
07:45
Moon phase
Waxing Gibbous
Illumination
81%
+20°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +19°C
Precipitation: 1.8 mm
Wind: 5 — 6 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 1 h |
| UV index | 4 | Cloud cover (avg.) | 99% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 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.) | 10 m/s | Wind direction (avg.) | 127° ↑ (N) |
Sunrise
06:09
Duration
11 h 12 min
Sunset
17:21
Moonrise
11:31
Moonset
23:34
Moon phase
First Quarter
Illumination
41%
+22°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +20°C
Precipitation: 0.4 mm
Wind: 2 — 2 m/s
Humidity: 91%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 6 h |
| UV index | 5 | Cloud cover (avg.) | 68% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 114° ↗ (ENE) |
Sunrise
06:09
Duration
11 h 11 min
Sunset
17:20
Moonrise
01:12
Moonset
13:26
Moon phase
Last Quarter
Illumination
28%
Weather in Hoi An on 21 December in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+23°C
|
+22°C
|
+23°C | 1 h | 5 | 89% | 4 — 6 m/s |
| 2024 |
+21°C
|
+19°C
|
+20°C | 1 h | 5 | 83% | 2 — 3 m/s |
| 2023 |
+22°C
|
+20°C
|
+21°C | 1 h | 5 | 88% | 4 — 5 m/s |
| 2022 |
+21°C
|
+19°C
|
+20°C | 1 h | 5 | 90% | 3 — 5 m/s |
| 2021 |
+24°C
|
+19°C
|
+21°C | 7 h | 6 | 83% | 4 — 5 m/s |
| 2020 |
+20°C
|
+19°C
|
+20°C | 1 h | 4 | 89% | 5 — 6 m/s |
| 2019 |
+25°C
|
+20°C
|
+22°C | 6 h | 5 | 91% | 2 — 2 m/s |