Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Keelung is from March, April. — some variation climate
⛈Hot & rainy
| Score | 50 | 52 | 67 | 71 | 49 | 27 | 13 | 16 | 32 | 44 | 45 | 37 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cool & rainy | Cool & rainy | Rainy | Rainy | Rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Rainy | Rainy | Rainy |
| Temperature | 15–19°C | 15–19°C | 17–21°C | 20–24°C | 23–27°C | 25–30°C | 27–32°C | 26–31°C | 25–29°C | 23–26°C | 20–24°C | 17–20°C |
| Feels like | 13–18°C | 13–19°C | 16–23°C | 21–28°C | 26–32°C | 31–37°C | 32–39°C | 32–38°C | 29–34°C | 25–29°C | 21–25°C | 15–20°C |
| Precipitation | 214mm 30 days | 206mm 29 days | 160mm 23 days | 153mm 20 days | 218mm 23 days | 237mm 20 days | 164mm 16 days | 204mm 20 days | 307mm 26 days | 435mm 30 days | 285mm 30 days | 328mm 30 days |
| Sunshine | 3.2h ☀︎ 30% | 3.7h ☀︎ 32% | 5.7h ☀︎ 48% | 6.9h ☀︎ 54% | 6.7h ☀︎ 50% | 6.8h ☀︎ 50% | 10.9h ☀︎ 81% | 10.2h ☀︎ 79% | 9.1h ☀︎ 74% | 5.6h ☀︎ 48% | 4.2h ☀︎ 39% | 2.6h ☀︎ 24% |
| Wind | NE · 22 km/h | NE · 21 km/h | NE · 19 km/h | E · 18 km/h | E · 16 km/h | S · 14 km/h | SE · 17 km/h | SE · 17 km/h | E · 20 km/h | NE · 24 km/h | NE · 22 km/h | NE · 24 km/h |
| Humidity (%) | 80% | 82% | 83% | 84% | 87% | 86% | 83% | 84% | 84% | 83% | 84% | 82% |
| Day length | 10.8h | 11.3h | 12.0h | 12.8h | 13.4h | 13.7h | 13.5h | 13.0h | 12.3h | 11.6h | 10.9h | 10.6h |
Held during the Lunar seventh month, this is one of Taiwan's most important traditional Taoist celebrations, culminating…
Keelung earns its moniker as Taiwan's Rainy Port, yet travelers inexplicably flock here in its wettest, darkest winter chill—entirely missing the breezy, sunlit reprieve that graces the harbor each spring.
Cradled between craggy green ridges and the rolling tides of the East China Sea, Keelung is a maritime working port shaped by sea salt, rusty hulls, and relentless moisture. Nicknamed the Rainy Port, it wears a gritty, cinematic patina born of centuries under Spanish, Qing, and Japanese rule. Most visitors treat it as a fleeting day trip from Taipei, stumbling through evening crowds with wet umbrellas. But Keelung's weather calendar has a distinct rhythm: the vast majority of visitors show up at the dampest, dimmest time of year, while the harbor's clearest skies and most comfortable coastal walks unfold in an overlooked spring window.
If you want to experience Keelung at its absolute best, arrive in early spring. March and April represent the port's golden hour—a sweet, fleeting pause when the northeast winter monsoon finally loses its bite and the suffocating heat of subtropical summer has yet to settle over the docks.
During these two months, the relentless coastal downpours ease into manageable, passing showers, and the sun breaks through with generous regularity. Walking the exposed headlands around Heping Island or climbing the stone steps to Baimiweng Fort becomes an outright joy rather than an endurance test. The sea air is fresh, temperatures hover in the low twenties, and the infamous harbor gloom lifts to reveal jade-green headlands plunging directly into the blue surf.
What makes this window even sweeter is the quiet. Despite offering the most comfortable outdoor conditions of the entire year, spring sees some of Keelung's lowest visitor volumes. You can wander along the brightly painted timber fronts of Zhengbin Fishing Port without waiting for photo lines, or stroll the maritime promenades beside Keelung Harbor with space to breathe.
By late May, the atmospheric dial turns rapidly. Summer in Keelung is a sensory assault: thick humidity, intense sunlight, and apparent temperatures that quickly soar close to forty degrees Celsius. The city becomes a simmering kettle enclosed by coastal hills.
Exploring historical promontories or steep hillside viewpoints like Zhongzheng Park in the midday sun will leave you drenched within minutes. The best strategy is to embrace the rhythms of the locals: seek shade during the blazing midday, head toward the breezes of Dawulun Beach in the late afternoon, and save your wandering for nightfall when ocean winds cut through the lingering harbor heat.
August brings Keelung's cultural centerpiece: the Keelung Ghost Festival. Held throughout the Lunar seventh month, this centuries-old Taoist ritual transforms the port. Streets shut down for elaborate processions, brass bands, and theatrical troupes, culminating in an awe-inspiring night when intricate paper-and-bamboo water lanterns are set ablaze and floated out into Keelung Harbor to guide wandering souls. The heat and crowds are intense, but the sheer atmospheric power of the ceremony makes August unforgettable if you can handle the tropical humidity.
As summer fades, the northeast monsoon begins to reassert its grip on northeastern Taiwan. September lingers with sultry warmth and heavy tropical rainbands, but October is when Keelung's skies truly open up. October is the wettest month on the calendar, delivering torrential downpours that can wash out outdoor plans for days on end.
Coastal walks become treacherous affairs as ocean swells batter the rocky shores of Heping Island and biting sea spray mixes with driving rain. November sees temperatures cool significantly, dropping the mugginess of late summer, but the skies remain heavy and overcast.
If you find yourself in Keelung during these wet autumn months, shift your attention inland and undercover. The maze of covered alleys around Miaokou Night Market offers shelter beneath glowing yellow lanterns, where the steam rising from seafood broth, crab thick soup, and fried dumplings feels wonderfully restorative against the damp coastal wind.
December presents the greatest paradox on Keelung's calendar. Statistically, it is the busiest month of the year for tourism, yet it delivers some of the gloomiest, dampest weather imaginable. Daylight shrinks to mere glimmers, rain falls with relentless persistence, and raw, sea-drenched winds push the chill straight into your bones.
Why the crowds arrive in December is largely down to holiday schedules and travelers spilling outward from Taipei's year-end festivities. Visitors pack the bustling lanes around Miaokou Night Market with rain jackets zipped tight, navigating a sea of dripping umbrella spokes. There is a moody, neo-noir romance to the neon lights reflecting off slick, wet asphalt, but anyone hoping for expansive ocean views from coastal lookout towers will be met with solid sheets of grey mist.
January and February continue the soggy chill, though crowds thin out somewhat outside the Lunar New Year surge. Unless you specifically savor the brooding, atmospheric melancholy of a storm-tossed northern harbor, keep your umbrella packed and wait for the spring thaw.