Best time to visit Hualien

Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
456668998654
On the sunniest 1 in 10 days, UV reaches this — and even higher
689101011121211965
PM2.5 air quality · on a typical day (?)
13121418121091189910
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
211820261815161512131517
December 6/10 feels 22°C (+1°C vs 1991-2020) · HCI 56/100
Day 21° · Night 17° 76% humidity 11 km/h wind 15 rain days (234h) 126h sun
Thermal 7
Sky 4
Rain 3
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

Compare with another destination

Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.

Tours in Hualien

6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Hualien).

  1. 1Private Taroko Gorge English Guided Tour from Hualien City4.96★ (571)8hfrom $127
  2. 2Private East Coast & Jade Hunting Tour from Hualien5.00★ (16)8hfrom $137
  3. 38-Hour Customize Your Wonderful Private Hualien Day Tour5.00★ (3)8hfrom $410
  4. 4Cycling: Taiwan King of Mountain(KoM) Challenge5.00★ (1)from $566
  5. 52026 Taroko Gorge Tour Excellent Cultural Stories , 8 Hours4.85★ (33)8hfrom $119
  6. 6Full-Day Private Taroko National Park Tour from Hualien City4.90★ (73)8hfrom $149

Last refreshed 2026-06-14.

Similar climatesTaipei82% · Taitung77% · Singapore75%

Other destinations with the most-alike year-round climate to Hualien (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Hualien's. Based on the 2020-2024 climatology, not this year's actual weather.

Month-by-month

Month Temp °C Feels °C Rain days Rain h Rain h/day Humidity Wind km/h Sun h UV Interest Score
Jan 15–19 20 17 262 15.4 77% 11 147 4 Quiet 5
Feb 16–21 21 15 241 16.1 76% 10 147 5 Quiet 5
Mar 17–22 24 17 265 15.6 77% 9 178 6 Quiet 5
Apr 20–24 27 17 248 14.6 79% 9 184 6 Quiet 5
May 22–27 32 23 345 15.0 83% 9 201 6 Quiet 2
Jun 25–30 36 20 252 12.6 81% 9 225 8 Quiet 1
Jul 25–31 37 20 233 11.7 79% 9 266 9 Quiet 1
Aug 25–30 37 20 227 11.3 79% 8 246 9 Busy 1
Sep 24–30 35 22 274 12.5 79% 9 226 8 Moderate 1
Oct 23–27 30 23 357 15.5 81% 12 170 6 Moderate 2
Nov 20–24 27 17 261 15.4 80% 11 146 5 Peak 5
Dec 17–21 22 15 234 15.6 76% 11 126 4 Peak 6

UV Index in Hualien by Month

UV index in Hualien peaks at 9 (very high) in July, dropping to 4 (moderate) in December. June, July, August, September reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

Best months in detail

December

6/10

17–21°C · 15 rain days (234h) · 126 sun hours · 76% humidity · Peak crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 5 (moderate)

February

5/10

16–21°C · 15 rain days (241h) · 147 sun hours · 76% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 8 (high)

April

5/10

20–24°C (feels 27°C) · 17 rain days (248h) · 184 sun hours · 79% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 10 (very high)

Every month

Show the other 9 months in detail

January

5/10

15–19°C · 17 rain days (262h) · 147 sun hours · 77% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)

March

5/10

17–22°C (feels 24°C) · 17 rain days (265h) · 178 sun hours · 77% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 9 (very high)

May

2/10

22–27°C (feels 32°C) · 23 rain days (345h) · 201 sun hours · 83% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 10 (very high)

June

1/10

25–30°C (feels 36°C) · 20 rain days (252h) · 225 sun hours · 81% humidity · Quiet crowd · UV 8 (very high) · sunniest 1 in 10 days reach 11 (very high)

July

1/10

25–31°C (feels 37°C) · 20 rain days (233h) · 266 sun hours · 79% humidity · Quiet crowd · UV 9 (very high) · sunniest 1 in 10 days reach 12 (extreme)

August

1/10

25–30°C (feels 37°C) · 20 rain days (227h) · 246 sun hours · 79% humidity · Busy crowd · UV 9 (very high) · sunniest 1 in 10 days reach 12 (extreme)

September

1/10

24–30°C (feels 35°C) · 22 rain days (274h) · 226 sun hours · 79% humidity · Moderate crowd · UV 8 (very high) · sunniest 1 in 10 days reach 11 (very high)

October

2/10

23–27°C (feels 30°C) · 23 rain days (357h) · 170 sun hours · 81% humidity · Moderate crowd · UV 6 (high) · sunniest 1 in 10 days reach 9 (very high)

November

5/10

20–24°C (feels 27°C) · 17 rain days (261h) · 146 sun hours · 80% humidity · Peak crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)

Frequently asked questions about visiting Hualien

When is the best time to visit Hualien?

December is the highest-scoring month (6/10 on the Holiday Climate Index). Typical conditions: 17–21°C (15 rainy days). The top three months by score are December, February, April.

What is the worst time to visit Hualien?

July is the lowest-scoring month (1/10, capped by extreme heat). Typical conditions: 25–31°C (20 rainy days).

Is Hualien too hot in summer?

6 months (May, June, July, August, September, October) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.

When are crowds lowest in Hualien?

Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in November. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.

What is the UV index in Hualien by month?

UV peaks at 9 (very high) in July and is lowest in December at 4 (moderate). Monthly peak values: Jan 4, Feb 5, Mar 6, Apr 6, May 6, Jun 8, Jul 9, Aug 9, Sep 8, Oct 6, Nov 5, Dec 4. June, July, August, September reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

What is the UV index in Hualien in July?

July is the peak UV month in Hualien, with a daily-peak UV index of 9 (very high). At this level, sunburn can occur in under 20 minutes on unprotected fair skin. Apply SPF 50+, wear protective clothing and a hat, and avoid direct midday sun (11:00–17:00).

How high can UV get in Hualien on the sunniest days?

Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. July is the worst case: typical days average UV 9 (very high), but the top 10% of days reach UV 12 (extreme) — and even higher. Months where the sunniest days routinely exceed the typical reading: January, February, March, April, May, June, July, August, September, October, November, December. Plan sun protection for the worst case, not the average.

Is air quality in Hualien bad for travelers?

PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 8 months: January, February, March, April, May, July, August, December. The worst month is April with a typical-day mean of 18 µg/m³ (unhealthy for sensitive); on the worst 10% of days PM2.5 reaches 26 µg/m³ (unhealthy) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.