During the week of 30 June 2025 - 6 July 2025, temperatures averaged at 34 °C (93 °F) during the day and dropped to 25 °C (77 °F) at night. These temperatures are slightly above the long-time average for Hualien, being 31 °C (88 °F) for daily temperatures and 24 °C (75 °F) for night temperatures. The coldest day of the week was Sunday in the end of the week. On average, the temperatures during various times of day (in local time) were recorded as: 7am 29 °C (84 °F), 10am 33 °C (91 °F), 1pm 32 °C (90 °F), 4pm 31 °C (88 °F), 7pm 29 °C (84 °F), 10pm 28 °C (82 °F).

There were 6 days without rain and 1 day with moderate rain during this week. During the whole week, total of 10 mm (0.39 in) of precipitation was observed, which is below the long term average for Hualien, which is 47 mm (1.85 in). The daytime hours (from dawn to dusk) had an average cloud coverage of 49 %.

Average speed of wind was 2.3 m/s. The air pressure varied between 1003 hpa and 1015 hpa. On average, the air humidity in Hualien was 84 %.

During the daytime (from dawn to dusk), there were in average: 5 hours clear skies, 6.5 hours partially overcast skies, 3 hours overcast skies and 1 hour rainy weather. Average time of sunrise was 05:10, average time of sunset was 18:45.

Weather overview

Located on the east coast of Taiwan, Hualien boasts a tropical climate that offers diverse weather conditions throughout the year. The temperature during the day fluctuates between a mild 21 °C (69 °F) in the chilly depths of January to a sweltering 32 °C (90 °F) at the height of July's summer heat. Ocean temperatures mirror this pattern, dipping to a refreshing 24 °C (74 °F) in February and peaking at a balmy 29 °C (83 °F) during August. As night falls, the mercury drops to its lowest at 15 °C (59 °F) in January, while it climbs to a comfortable 25 °C (77 °F) in the midst of July. The variability of rainfall presents us with a parched December, seeing only 12 days of precipitation, whilst May stands out as the month with the most rainfall, soaking the region for 18 days of rain.

January weather

Hualien's aquatic temperatures begin to drop, registering 24 °C (75 °F). Meanwhile, the minimum daytime temperatures can be felt at 21 °C (69 °F). The increment in rainy days starts to become apparent, reaching 13 days, and the lowest rainfall volume is also noted at 66 mm (2.62 in). The drop to the lowest nighttime temperature is evident, settling at 15 °C (59 °F).

February weather

The ascent of daytime temperatures continues in February, reaching 21 °C (70 °F), whereas oceanic waters are at their coolest, measured at 24 °C (74 °F). Rainy days see a gentle rise, now at 17 days, and the beginning of an increase in rainfall is marked by 99 mm (3.91 in). The minimal sunshine hours are notable, totaling just 3 hours.

March weather

March experiences a steady climb in daytime temperatures to 23 °C (74 °F), while the ocean begins to warm up. The frequency of rainy days sees a decrease, falling to 15 days, and the amount of rainfall follows suit, lowering to 90 mm (3.53 in). The nighttime temperatures start to rise, now at 17 °C (63 °F), and the growth in sunny hours is noticeable.

April weather

Hualien's tourism season timidly kicks off. Daytime temperature keeps rising, with figures hitting 26 °C (78 °F), while the sea steadily warms up to 26 °C (78 °F). The decline in the number of rainy days is sustained, now at 14 days, but the rainfall volume starts to uptick, marked by 102 mm (4.03 in). Nighttime temperatures also continue their upward trend.

May weather

With the cusp of the tourist season upon us, the sea temperature climbs further to 27 °C (80 °F), complemented by a rise in daytime heat to 28 °C (83 °F). Peaking rainy days are observed, alongside a continued increase in rainfall at 198 mm (7.80 in). The minimum wind speed is detected at 3.

June weather

Daytime heat progresses steadfastly to 31 °C (87 °F) as Hualien enjoys its tourism season. The sea temperature also keeps pace, reaching 28 °C (82 °F). The onset of decreasing rainy days is observed, now at 17 days, and the rise in rainfall isn't overlooked, hitting 230 mm (9.07 in). Night temperatures continue the parallel trend, arriving at 24 °C (75 °F).

July weather

As the tourist season peaks, so do sea temperatures at 28 °C (83 °F), and daytime temperatures max out at 32 °C (90 °F). The nighttime high is also noted at 25 °C (77 °F). The decline in rainfall starts to surface with figures around 176 mm (6.92 in). The sheer number of sunny hours leaps to 8 hours.

August weather

The sea temperature hits its zenith, registering 29 °C (83 °F) in Hualien. A budding rise in rainy days can be discerned, now at 17 days, and the upward movement in rainfall is apparent, totaling 243 mm (9.57 in). A slight decline in sunny hours begins, now at 7 hours.

September weather

September brings the pinnacle of rainfall, soaking Hualien with 346 mm (13.61 in). Night temperatures start their descent, now at 24 °C (74 °F), mirroring a similar trajectory for daytime temperatures at 30 °C (86 °F). The persistence of the declining sunny hours continues, marked by 6 hours.

October weather

The tourist season prepares for its finale as October sees day temperatures gently fall to 28 °C (82 °F) and sea temperatures commence their descent. Night temperatures edge downward as well, now at 22 °C (71 °F). Rainy days decrease, and the wind reaches its pinnacle, blowing at 5.

November weather

The approaching tourist season sees November's day temperatures continue to decrease, now at 25 °C (77 °F), while the sea temperature also registers a downward trend at 26 °C (78 °F). More tellingly, the decline in rainfall gathers momentum at 142 mm (5.59 in). The waning of the number of sunny hours stays on track, with figures at 4 hours. Night temperatures dip again, now at 19 °C (66 °F).

December weather

As the year winds down, December's declining sea and daytime temperatures become evident, with values of 24 °C (76 °F) and 22 °C (72 °F) respectively. The minimal incidence of rainy days hits at 12 days, and rainfall continues to drop, now at 68 mm (2.66 in). Sunlight also dwindles, marked by 3 hours.

What is the expected level of humidity in Hualien during January?

Expect the humidity in January in Hualien to be around 78 %.

What's the average number of sunshine hours in Hualien during February?

February in Hualien typically enjoys an average of 3 hours of sunshine daily.

How much rainfall should one anticipate in Hualien during March?

In March, you should anticipate around 90 mm (3.53 in) of rainfall in Hualien.

Can one expect many sunny days in April in Hualien?

Yes, one can expect a significant number of sunny days in Hualien in April.

Is May considered part of the wet season in Hualien?

Yes, May is squarely within the wet season in Hualien, with 18 days of expected precipitation.

Is the wind speed considerable in Hualien during June?

In June, the wind speed in Hualien is relatively gentle, averaging around 3.

To what extent do sunny hours reach in Hualien during July?

Sunny hours reach an extensive 8 hours daily in Hualien during July.

With the sea temperature at its highest in August, is it comfortable for swimming in Hualien?

With sea temperatures peaking at 29 °C (83 °F), the waters in August are very inviting for swimming in Hualien.

What type of weather should one brace for in Hualien during September?

One should prepare for wet weather in September in Hualien, considering it is the month with the highest rainfall at 346 mm (13.61 in).

Does October in Hualien bring many hours of daylight compared to other months?

October in Hualien offers a reasonable amount of daylight hours, more than some other months, but not as many as the peak summer months.

Are sunny days expected to be frequent in Hualien throughout November?

Sunny days are less frequent in Hualien during November, with fewer daily hours of sunshine at 4 hours.

How does the humidity in Hualien during December compare to other months?

December's humidity in Hualien is relatively lower compared to more humid months, averaging 77 %.