Hualien weather in December
In December, Hualien sees average daytime highs of 16°C and overnight lows near 11°C, with 331 mm of rain across 28.3 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.
Highs ease over the month, from about 17°C in the first days to 15°C by the end. The sky is clear or mostly clear about 2% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 h 36 min at the start of December to 10 h 30 min by month's end. Set against the rest of the year, December is Hualien's 9th-clearest and 11th-windiest month. For the whole year in context, see Hualien's year-round climate.
- Daytime high
- 16°
- 10th warmest
- Overnight low
- 11°
- 3rd coldest
- Rainfall
- 331 mm
- 28.3 wet days
- Daylight
- 10 h 30 min
- 6:34 AM – 5:06 PM
- Cloud cover
- 83%
- 9th clearest
- Wind
- 4 km/h
- 11th windiest
- Solar energy
- 2.11 kWh/m²
- Travel score
- 2.9
- out of 10
Hualien is A county-administered city in Hualien County, Taiwan.
- Density
- 3,382/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 17°C in the first days to 15°C by the end.
A typical December day in Hualien reaches about 16°C in the afternoon and slips back to 11°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg low (°C) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 18 | 13 |
| 2 | 18 | 13 |
| 3 | 17 | 12 |
| 4 | 17 | 12 |
| 5 | 17 | 12 |
| 6 | 17 | 12 |
| 7 | 17 | 12 |
| 8 | 17 | 12 |
| 9 | 17 | 12 |
| 10 | 17 | 12 |
| 11 | 16 | 12 |
| 12 | 16 | 11 |
| 13 | 16 | 11 |
| 14 | 16 | 11 |
| 15 | 16 | 11 |
| 16 | 16 | 11 |
| 17 | 16 | 11 |
| 18 | 16 | 11 |
| 19 | 16 | 11 |
| 20 | 16 | 11 |
| 21 | 16 | 11 |
| 22 | 16 | 11 |
| 23 | 16 | 11 |
| 24 | 16 | 11 |
| 25 | 15 | 10 |
| 26 | 15 | 10 |
| 27 | 15 | 10 |
| 28 | 15 | 10 |
| 29 | 15 | 10 |
| 30 | 15 | 10 |
| 31 | 15 | 10 |
Hualien weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 10° | 406 | 29.6 | 10.7 | 2.4 |
| Feb | 16° / 10° | 381 | 25.9 | 11.2 | 2.7 |
| Mar | 18° / 12° | 335 | 27.6 | 11.8 | 3.4 |
| Apr | 21° / 15° | 279 | 26.5 | 12.5 | 3.8 |
| May | 23° / 17° | 371 | 29.1 | 13.1 | 3.8 |
| Jun | 26° / 19° | 337 | 25.7 | 13.5 | 3.9 |
| Jul | 27° / 20° | 294 | 21.6 | 13.3 | 4.6 |
| Aug | 27° / 20° | 353 | 22.9 | 12.8 | 4.6 |
| Sep | 25° / 19° | 469 | 22.9 | 12.1 | 4.6 |
| Oct | 22° / 17° | 344 | 23.5 | 11.4 | 4.5 |
| Nov | 19° / 14° | 269 | 24.6 | 10.8 | 3.9 |
| Dec | 16° / 11° | 331 | 28.3 | 10.5 | 2.9 |
Cloud cover in December
The sky is clear or mostly clear about 2% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 91%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 4 | 4 |
| Cloudier (%) | 85 | 86 | 86 | 87 | 87 | 88 | 88 | 88 | 90 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 92 | 92 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 95 | 96 | 96 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 15 | 85 |
| 2 | 14 | 86 |
| 3 | 14 | 86 |
| 4 | 13 | 87 |
| 5 | 13 | 87 |
| 6 | 12 | 88 |
| 7 | 12 | 88 |
| 8 | 12 | 88 |
| 9 | 10 | 90 |
| 10 | 9 | 91 |
| 11 | 9 | 91 |
| 12 | 9 | 91 |
| 13 | 9 | 91 |
| 14 | 9 | 91 |
| 15 | 9 | 91 |
| 16 | 9 | 91 |
| 17 | 9 | 91 |
| 18 | 9 | 91 |
| 19 | 9 | 91 |
| 20 | 8 | 92 |
| 21 | 8 | 92 |
| 22 | 7 | 93 |
| 23 | 7 | 93 |
| 24 | 7 | 93 |
| 25 | 7 | 93 |
| 26 | 6 | 94 |
| 27 | 6 | 94 |
| 28 | 6 | 94 |
| 29 | 5 | 95 |
| 30 | 4 | 96 |
| 31 | 4 | 96 |
Chance of precipitation in December
Hualien gets around 331 mm of rain over 28.3 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 91% and peaks near 94% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 89 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 94 |
| Rain chance (%) | |
|---|---|
| 1 | 89 |
| 2 | 89 |
| 3 | 89 |
| 4 | 89 |
| 5 | 90 |
| 6 | 90 |
| 7 | 90 |
| 8 | 90 |
| 9 | 91 |
| 10 | 91 |
| 11 | 91 |
| 12 | 91 |
| 13 | 91 |
| 14 | 91 |
| 15 | 91 |
| 16 | 91 |
| 17 | 91 |
| 18 | 91 |
| 19 | 91 |
| 20 | 91 |
| 21 | 91 |
| 22 | 92 |
| 23 | 92 |
| 24 | 92 |
| 25 | 92 |
| 26 | 92 |
| 27 | 93 |
| 28 | 93 |
| 29 | 93 |
| 30 | 93 |
| 31 | 94 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 40 | 42 | 44 | 46 | 47 | 49 | 50 | 52 | 53 | 55 | 55 | 57 | 57 | 58 | 60 | 61 | 62 | 63 | 64 | 66 | 68 | 69 | 70 | 72 | 73 | 74 | 75 | 76 | 76 | 76 | 77 |
| Comfortable (%) | 48 | 47 | 46 | 45 | 44 | 44 | 43 | 42 | 42 | 41 | 41 | 40 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 31 | 30 | 29 | 27 | 26 | 25 | 24 | 23 | 23 | 23 | 22 |
| Humid (%) | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 40 | 48 | 12 |
| 2 | 42 | 47 | 11 |
| 3 | 44 | 46 | 10 |
| 4 | 46 | 45 | 9 |
| 5 | 47 | 44 | 8 |
| 6 | 49 | 44 | 7 |
| 7 | 50 | 43 | 7 |
| 8 | 52 | 42 | 6 |
| 9 | 53 | 42 | 5 |
| 10 | 55 | 41 | 4 |
| 11 | 55 | 41 | 4 |
| 12 | 57 | 40 | 3 |
| 13 | 57 | 40 | 3 |
| 14 | 58 | 39 | 3 |
| 15 | 60 | 38 | 2 |
| 16 | 61 | 37 | 2 |
| 17 | 62 | 36 | 2 |
| 18 | 63 | 35 | 2 |
| 19 | 64 | 34 | 2 |
| 20 | 66 | 33 | 1 |
| 21 | 68 | 31 | 1 |
| 22 | 69 | 30 | 1 |
| 23 | 70 | 29 | 1 |
| 24 | 72 | 27 | 1 |
| 25 | 73 | 26 | 1 |
| 26 | 74 | 25 | 1 |
| 27 | 75 | 24 | 1 |
| 28 | 76 | 23 | 1 |
| 29 | 76 | 23 | 1 |
| 30 | 76 | 23 | 1 |
| 31 | 77 | 22 | 1 |
Wind in December
Winds average 4 km/h in December.
Across December, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in December
Daylight runs from about 10 h 36 min at the start of December to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 6:25 AM to 6:41 AM, and sunset from 5:02 PM to 5:13 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 |
| Sunrise (AM) | 6:25 | 6:25 | 6:26 | 6:27 | 6:27 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:41 |
| Sunset (PM) | 5:02 | 5:02 | 5:02 | 5:02 | 5:03 | 5:03 | 5:03 | 5:03 | 5:03 | 5:04 | 5:04 | 5:04 | 5:05 | 5:05 | 5:05 | 5:06 | 5:06 | 5:06 | 5:07 | 5:07 | 5:08 | 5:08 | 5:09 | 5:09 | 5:10 | 5:10 | 5:11 | 5:11 | 5:12 | 5:12 | 5:13 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.6 | 6:25 | 5:02 |
| 2 | 10.6 | 6:25 | 5:02 |
| 3 | 10.6 | 6:26 | 5:02 |
| 4 | 10.6 | 6:27 | 5:02 |
| 5 | 10.6 | 6:27 | 5:03 |
| 6 | 10.6 | 6:28 | 5:03 |
| 7 | 10.6 | 6:29 | 5:03 |
| 8 | 10.6 | 6:29 | 5:03 |
| 9 | 10.6 | 6:30 | 5:03 |
| 10 | 10.6 | 6:30 | 5:04 |
| 11 | 10.5 | 6:31 | 5:04 |
| 12 | 10.5 | 6:32 | 5:04 |
| 13 | 10.5 | 6:32 | 5:05 |
| 14 | 10.5 | 6:33 | 5:05 |
| 15 | 10.5 | 6:33 | 5:05 |
| 16 | 10.5 | 6:34 | 5:06 |
| 17 | 10.5 | 6:34 | 5:06 |
| 18 | 10.5 | 6:35 | 5:06 |
| 19 | 10.5 | 6:36 | 5:07 |
| 20 | 10.5 | 6:36 | 5:07 |
| 21 | 10.5 | 6:37 | 5:08 |
| 22 | 10.5 | 6:37 | 5:08 |
| 23 | 10.5 | 6:37 | 5:09 |
| 24 | 10.5 | 6:38 | 5:09 |
| 25 | 10.5 | 6:38 | 5:10 |
| 26 | 10.5 | 6:39 | 5:10 |
| 27 | 10.5 | 6:39 | 5:11 |
| 28 | 10.5 | 6:40 | 5:11 |
| 29 | 10.5 | 6:40 | 5:12 |
| 30 | 10.5 | 6:40 | 5:12 |
| 31 | 10.5 | 6:41 | 5:13 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.11 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.11 kWh/m² to a high of 5.81 kWh/m² in July across the year — December's 2.11 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.4 | 2.4 | 2.3 | 2.3 | 2.3 | 2.3 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.4 | Moderate |
| 2 | 2.4 | Moderate |
| 3 | 2.3 | Moderate |
| 4 | 2.3 | Moderate |
| 5 | 2.3 | Moderate |
| 6 | 2.3 | Moderate |
| 7 | 2.2 | Moderate |
| 8 | 2.2 | Moderate |
| 9 | 2.2 | Moderate |
| 10 | 2.2 | Moderate |
| 11 | 2.2 | Moderate |
| 12 | 2.1 | Moderate |
| 13 | 2.1 | Moderate |
| 14 | 2.1 | Moderate |
| 15 | 2.1 | Moderate |
| 16 | 2.1 | Moderate |
| 17 | 2.1 | Moderate |
| 18 | 2.1 | Moderate |
| 19 | 2.1 | Moderate |
| 20 | 2.1 | Moderate |
| 21 | 2.1 | Moderate |
| 22 | 2.1 | Moderate |
| 23 | 2.1 | Moderate |
| 24 | 2.1 | Moderate |
| 25 | 2.1 | Moderate |
| 26 | 2.1 | Moderate |
| 27 | 2.1 | Moderate |
| 28 | 2.1 | Moderate |
| 29 | 2.1 | Moderate |
| 30 | 2.1 | Moderate |
| 31 | 2.1 | Moderate |
Hazard calendar for Hualien
In December, Hualien sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hualien sits in the Pacific typhoon belt; the season peaks July–October.
Is December a good time to visit Hualien?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Hualien.
What to pack for Hualien in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Hualien sees daytime highs around 16°C and nights near 11°C. Pack rain gear. Worth having: a warm layer. About 28 days see rain.
Sea temperature near Hualien in December
The nearest coast averages about 25°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 29°C and coldest in January near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 28 | 27 | 26 | 25 |
| Comfort | Refreshing | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Refreshing |
| Feb | 24 | Refreshing |
| Mar | 25 | Warm |
| Apr | 26 | Warm |
| May | 27 | Warm |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Tropical |
| Oct | 27 | Warm |
| Nov | 26 | Warm |
| Dec | 25 | Warm |
UV index in Hualien in December
Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hualien peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 8 | 10 | 8 | 10 | 13 | 12 | 11 | 11 | 9 | 7 | 6 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Very high |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 9 | Very high |
| Nov | 7 | Very high |
| Dec | 6 | High |
Air quality in Hualien in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Hualien is worst in March — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 17 | 22 | 22 | 17 | 15 | 11 | 12 | 11 | 11 | 11 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 17 | Moderate |
| Mar | 22 | Moderate |
| Apr | 22 | Moderate |
| May | 17 | Moderate |
| Jun | 15 | Moderate |
| Jul | 11 | Good |
| Aug | 12 | Good |
| Sep | 11 | Good |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 13 | Moderate |
Where is Hualien?
Hualien sits at 24.0°N, 121.6°E, 13 m above sea level, in Taiwan. The nearest listed city is Xiulin, 16 km away.
Topography around Hualien
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hualien.
Within 3 km, the terrain around Hualien has only modest variations in elevation — a maximum elevation change of 101 m around an average of 16 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,378 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,837 m.
The land around Hualien is covered by artificial surfaces (44%), trees (27%) and water (22%) within 3 km, water (46%) and trees (45%) within 16 km, and trees (66%) and water (31%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Hualien (23.9769°, 121.6044°, elevation 13 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).