Hualien weather in May
In May, Hualien sees average daytime highs of 23°C and overnight lows near 17°C, with 371 mm of rain across 29.1 wet days and about 13.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.
Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 3% of the time in May, and the air most often feels humid.
Daylight stretches from about 12 h 54 min at the start of May to 13 h 24 min by month's end. Set against the rest of the year, May is Hualien's 10th-clearest and 8th-windiest month. For the whole year in context, see Hualien's year-round climate.
- Daytime high
- 23°
- 5th warmest
- Overnight low
- 17°
- 8th coldest
- Rainfall
- 371 mm
- 29.1 wet days
- Daylight
- 13 h 12 min
- 5:15 AM – 6:25 PM
- Cloud cover
- 84%
- 10th clearest
- Wind
- 4 km/h
- 8th windiest
- Solar energy
- 4.44 kWh/m²
- Travel score
- 3.8
- 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 May
Highs climb over the month, from about 22°C in the first days to 24°C by the end.
A typical May day in Hualien reaches about 23°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.
| 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) | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 16 |
| 2 | 22 | 16 |
| 3 | 22 | 16 |
| 4 | 23 | 16 |
| 5 | 23 | 16 |
| 6 | 23 | 16 |
| 7 | 23 | 17 |
| 8 | 23 | 17 |
| 9 | 23 | 17 |
| 10 | 23 | 17 |
| 11 | 23 | 17 |
| 12 | 23 | 17 |
| 13 | 23 | 17 |
| 14 | 23 | 17 |
| 15 | 23 | 17 |
| 16 | 24 | 17 |
| 17 | 24 | 17 |
| 18 | 24 | 18 |
| 19 | 24 | 18 |
| 20 | 24 | 18 |
| 21 | 24 | 18 |
| 22 | 24 | 18 |
| 23 | 24 | 18 |
| 24 | 24 | 18 |
| 25 | 24 | 18 |
| 26 | 24 | 18 |
| 27 | 24 | 18 |
| 28 | 24 | 18 |
| 29 | 24 | 18 |
| 30 | 24 | 18 |
| 31 | 25 | 18 |
Hualien weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-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 May
The sky is clear or mostly clear about 3% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 8% of May, with mostly cloudy or overcast conditions the remaining 89%.
| 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 (%) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 |
| Cloudier (%) | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 88 | 88 | 88 | 89 | 90 | 90 | 91 | 91 | 91 | 92 | 92 | 92 | 93 | 93 | 93 | 92 | 92 | 92 | 92 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 14 | 86 |
| 2 | 14 | 86 |
| 3 | 14 | 86 |
| 4 | 14 | 86 |
| 5 | 14 | 86 |
| 6 | 14 | 86 |
| 7 | 14 | 86 |
| 8 | 14 | 86 |
| 9 | 14 | 86 |
| 10 | 14 | 86 |
| 11 | 14 | 86 |
| 12 | 14 | 86 |
| 13 | 12 | 88 |
| 14 | 12 | 88 |
| 15 | 12 | 88 |
| 16 | 11 | 89 |
| 17 | 10 | 90 |
| 18 | 10 | 90 |
| 19 | 9 | 91 |
| 20 | 9 | 91 |
| 21 | 9 | 91 |
| 22 | 8 | 92 |
| 23 | 8 | 92 |
| 24 | 8 | 92 |
| 25 | 7 | 93 |
| 26 | 7 | 93 |
| 27 | 7 | 93 |
| 28 | 8 | 92 |
| 29 | 8 | 92 |
| 30 | 8 | 92 |
| 31 | 8 | 92 |
Chance of precipitation in May
Hualien gets around 371 mm of rain over 29.1 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 93% and peaks near 95% 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 (%) | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 93 | 93 | 92 |
| Rain chance (%) | |
|---|---|
| 1 | 92 |
| 2 | 92 |
| 3 | 92 |
| 4 | 92 |
| 5 | 92 |
| 6 | 92 |
| 7 | 92 |
| 8 | 92 |
| 9 | 92 |
| 10 | 92 |
| 11 | 92 |
| 12 | 93 |
| 13 | 93 |
| 14 | 93 |
| 15 | 94 |
| 16 | 94 |
| 17 | 95 |
| 18 | 95 |
| 19 | 95 |
| 20 | 95 |
| 21 | 95 |
| 22 | 95 |
| 23 | 95 |
| 24 | 95 |
| 25 | 95 |
| 26 | 94 |
| 27 | 94 |
| 28 | 94 |
| 29 | 93 |
| 30 | 93 |
| 31 | 92 |
Humidity in May
Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the humid band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.
| 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 (%) | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 20 | 19 | 18 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 |
| Humid (%) | 71 | 71 | 71 | 72 | 71 | 72 | 70 | 69 | 69 | 68 | 66 | 66 | 64 | 61 | 60 | 58 | 56 | 54 | 52 | 49 | 47 | 44 | 42 | 39 | 37 | 34 | 32 | 30 | 28 | 26 | 24 |
| Muggy (%) | 4 | 5 | 6 | 8 | 10 | 11 | 14 | 16 | 18 | 20 | 23 | 25 | 28 | 31 | 33 | 36 | 39 | 41 | 44 | 47 | 49 | 52 | 54 | 57 | 59 | 63 | 65 | 67 | 69 | 71 | 74 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 5 | 20 | 71 | 4 |
| 2 | 5 | 19 | 71 | 5 |
| 3 | 5 | 18 | 71 | 6 |
| 4 | 4 | 16 | 72 | 8 |
| 5 | 4 | 15 | 71 | 10 |
| 6 | 3 | 14 | 72 | 11 |
| 7 | 3 | 13 | 70 | 14 |
| 8 | 3 | 12 | 69 | 16 |
| 9 | 2 | 11 | 69 | 18 |
| 10 | 2 | 10 | 68 | 20 |
| 11 | 2 | 9 | 66 | 23 |
| 12 | 1 | 8 | 66 | 25 |
| 13 | 1 | 7 | 64 | 28 |
| 14 | 1 | 7 | 61 | 31 |
| 15 | 1 | 6 | 60 | 33 |
| 16 | 1 | 5 | 58 | 36 |
| 17 | 0 | 5 | 56 | 39 |
| 18 | 0 | 5 | 54 | 41 |
| 19 | 0 | 4 | 52 | 44 |
| 20 | 0 | 4 | 49 | 47 |
| 21 | 0 | 4 | 47 | 49 |
| 22 | 0 | 4 | 44 | 52 |
| 23 | 0 | 4 | 42 | 54 |
| 24 | 0 | 4 | 39 | 57 |
| 25 | 0 | 4 | 37 | 59 |
| 26 | 0 | 3 | 34 | 63 |
| 27 | 0 | 3 | 32 | 65 |
| 28 | 0 | 3 | 30 | 67 |
| 29 | 0 | 3 | 28 | 69 |
| 30 | 0 | 3 | 26 | 71 |
| 31 | 0 | 2 | 24 | 74 |
Wind in May
Winds average 4 km/h in May.
Across May, 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 May
Daylight runs from about 12 h 54 min at the start of May to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over May. Sunrise moves from 5:24 AM to 5:10 AM, and sunset from 6:17 PM to 6:32 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) | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.4 |
| Sunrise (AM) | 5:24 | 5:24 | 5:23 | 5:22 | 5:22 | 5:21 | 5:20 | 5:20 | 5:19 | 5:18 | 5:18 | 5:17 | 5:17 | 5:16 | 5:16 | 5:15 | 5:15 | 5:14 | 5:14 | 5:13 | 5:13 | 5:13 | 5:12 | 5:12 | 5:12 | 5:11 | 5:11 | 5:11 | 5:11 | 5:10 | 5:10 |
| Sunset (PM) | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 5:24 | 6:17 |
| 2 | 12.9 | 5:24 | 6:18 |
| 3 | 12.9 | 5:23 | 6:18 |
| 4 | 12.9 | 5:22 | 6:19 |
| 5 | 13.0 | 5:22 | 6:19 |
| 6 | 13.0 | 5:21 | 6:20 |
| 7 | 13.0 | 5:20 | 6:20 |
| 8 | 13.0 | 5:20 | 6:21 |
| 9 | 13.0 | 5:19 | 6:21 |
| 10 | 13.1 | 5:18 | 6:22 |
| 11 | 13.1 | 5:18 | 6:22 |
| 12 | 13.1 | 5:17 | 6:23 |
| 13 | 13.1 | 5:17 | 6:23 |
| 14 | 13.1 | 5:16 | 6:24 |
| 15 | 13.1 | 5:16 | 6:24 |
| 16 | 13.2 | 5:15 | 6:25 |
| 17 | 13.2 | 5:15 | 6:25 |
| 18 | 13.2 | 5:14 | 6:25 |
| 19 | 13.2 | 5:14 | 6:26 |
| 20 | 13.2 | 5:13 | 6:26 |
| 21 | 13.2 | 5:13 | 6:27 |
| 22 | 13.2 | 5:13 | 6:27 |
| 23 | 13.3 | 5:12 | 6:28 |
| 24 | 13.3 | 5:12 | 6:28 |
| 25 | 13.3 | 5:12 | 6:29 |
| 26 | 13.3 | 5:11 | 6:29 |
| 27 | 13.3 | 5:11 | 6:30 |
| 28 | 13.3 | 5:11 | 6:30 |
| 29 | 13.3 | 5:11 | 6:31 |
| 30 | 13.3 | 5:10 | 6:31 |
| 31 | 13.4 | 5:10 | 6:32 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 4.44 kWh/m².
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 — May's 4.44 kWh/m² falls in the middle.
| 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) | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 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 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.4 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.4 | Bright |
| 4 | 4.4 | Bright |
| 5 | 4.5 | Bright |
| 6 | 4.5 | Bright |
| 7 | 4.5 | Bright |
| 8 | 4.5 | Bright |
| 9 | 4.5 | Bright |
| 10 | 4.5 | Bright |
| 11 | 4.5 | Bright |
| 12 | 4.5 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.4 | Bright |
| 25 | 4.4 | Bright |
| 26 | 4.4 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.4 | Bright |
| 30 | 4.4 | Bright |
| 31 | 4.4 | Bright |
Hazard calendar for Hualien
In May, 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 May a good time to visit Hualien?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a weaker month for outdoor sightseeing in Hualien.
What to pack for Hualien in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Hualien sees daytime highs around 23°C and nights near 17°C. Pack rain gear. Worth having: light clothes. About 29 days see rain.
Sea temperature near Hualien in May
The nearest coast averages about 27°C in May — 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 May
Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). 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 May
Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).