Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Kota Kinabalu is from February, March. — some variation climate
⛈Hot & rainy
| Score | 49 | 72 | 67 | 57 | 39 | 45 | 48 | 48 | 41 | 40 | 42 | 41 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy |
| Temperature | 24–28°C | 23–29°C | 24–29°C | 25–30°C | 25–30°C | 25–30°C | 24–30°C | 25–30°C | 24–29°C | 24–29°C | 24–29°C | 24–29°C |
| Feels like | 28–35°C | 27–35°C | 28–36°C | 29–37°C | 30–37°C | 29–36°C | 28–36°C | 28–36°C | 28–36°C | 28–35°C | 28–35°C | 28–35°C |
| Precipitation | 253mm 21 days | 102mm 14 days | 116mm 17 days | 154mm 19 days | 267mm 21 days | 229mm 19 days | 221mm 19 days | 231mm 19 days | 284mm 21 days | 353mm 28 days | 269mm 24 days | 283mm 25 days |
| Sunshine | 6.4h ☀︎ 54% | 7.9h ☀︎ 66% | 8.6h ☀︎ 71% | 8.6h ☀︎ 70% | 6.8h ☀︎ 55% | 5.9h ☀︎ 47% | 6.4h ☀︎ 51% | 6.4h ☀︎ 52% | 5.9h ☀︎ 48% | 5.2h ☀︎ 44% | 5.8h ☀︎ 49% | 5.6h ☀︎ 48% |
| Wind | NE · 10 km/h | N · 12 km/h | N · 11 km/h | NE · 10 km/h | S · 9 km/h | S · 10 km/h | S · 11 km/h | S · 11 km/h | S · 11 km/h | S · 11 km/h | SE · 10 km/h | SE · 10 km/h |
| Humidity (%) | 86% | 84% | 83% | 82% | 82% | 81% | 80% | 80% | 82% | 85% | 86% | 86% |
| Day length | 11.8h | 11.9h | 12.1h | 12.3h | 12.4h | 12.5h | 12.4h | 12.3h | 12.2h | 12.0h | 11.9h | 11.8h |
Sabah's biggest cultural celebration marks the end of the rice harvest with traditional dances, rice-wine tastings, and…
While standard climate charts crown February as Kota Kinabalu's cleanest window, March is the real masterstroke: it captures the sunniest skies of the year right as the peak holiday crowds peel away.
Kota Kinabalu exists entirely in relation to the giants at its borders. To the east, the jagged granite crown of Mount Kinabalu cuts into the clouds; to the west, the emerald reefs of Tunku Abdul Rahman National Park scatter across the South China Sea. The city itself is a low-slung, salty jumping-off point where days are spent catching diesel speedboats to offshore islands and evenings end along the waterfront with fresh calamansi juice in hand. Nobody comes here for a polished urban promenade. You travel to this corner of Borneo because the primary rainforest touches the sea, and your entire experience depends on whether the sky is offering crisp mountain views or dumping inches of rain before your boat can clear the harbor.
On paper, February looks unbeatable. It has the lowest rainfall on the calendar and gets branded by conventional guides as the uncontested sweet spot to visit. The catch is that everyone knows it. In February, the jetties are packed four deep with tour groups heading to Gaya Island, speedboats churn the bays into froth, and securing a trail permit for the mountain requires cutthroat advance planning.
March is where the seasoned traveler lands. The crowd thins out noticeably, yet the skies stay brilliantly clear—in fact, March quietly delivers the longest stretches of unbroken daily sunshine of any month in Sabah. The sea in Tunku Abdul Rahman National Park settles into glass, the visibility over coral beds is razor-sharp, and the granite face of Mount Kinabalu stays visible long past noon before the customary mist rolls in. You give up an unnoticeable sliver of dryness in exchange for room to breathe, open trails, and an unhurried rhythm along the waterfront.
April keeps the abundant sunshine of late winter, but the atmosphere tightens. The apparent temperature climbs steadily into the high thirties, turning the city center into a midday furnace where asphalt radiates heat and walking between open-air markets requires tactical retreats into shade.
Out on the water, however, conditions remain exceptional. The South China Sea stays quiet and flat, making this one of the calmest months for drifting between islands or snorkeling around the shallow reefs off Tanjung Aru. The rain starts to register as heavier late-afternoon thunderheads rather than light drizzles, but they burst quickly and leave cool, balmy evenings in their wake.
May is the great contradiction of Sabah's calendar. By every atmospheric metric, the weather is deteriorating: humidity is suffocating, and rainfall doubles, rolling in as sudden, ferocious downpours that can swamp streets and shut down boat crossings with little warning. Yet May is the single busiest month of the year.
The draw is the Kaamatan Harvest Festival, the paramount cultural event for Sabah's indigenous Kadazan-Dusun communities. The celebration marks the culmination of the rice harvest with energetic street parades, traditional dance showcases, flowing jars of rice wine, and the Unduk Ngadau pageant. The city hums with communal celebration, hotels pack to the rafters, and the air smells of roasted meats and forest ferns. If you visit in May, do not come expecting pristine island days or easy mountain ascents; come with an umbrella and immerse yourself in Borneo's deepest living traditions.
Summer in Kota Kinabalu settles into a dependable, split-screen routine. Mornings are typically bright and clear, with temperatures climbing rapidly toward midday. By three or four in the afternoon, bruised purple clouds gather over the Crocker Range and dump intense, localized squalls that clear the air and knock the tropical heat down to a tolerable hum.
July serves as the quietest interlude of this stretch, offering a dip in crowd numbers that makes offshore boat runs serene. The secret to navigating these months is discipline: launch your island trips at eight in the morning, hike the foothill tracks before lunch, and plan to be sitting under an awning watching the spectacle of tropical lightning across the South China Sea by late afternoon.
From September through January, the wet monsoon takes control of the coast, culminating in October's soaking downpours. During this stretch, the sheer volume of water changes the tone of a trip. Mount Kinabalu frequently disappears behind an impenetrable wall of grey vapor, and park authorities occasionally close the summit trail when rain turns the high granite ridges into slick watercourses.
Choppy seas can make small-boat transfers to Gaya Island punishing, and visibility on the coral gardens drops as runoff clouds the nearshore waters. If you land here in late autumn or winter, strip your itinerary of tight outdoor connections. Lean into the misty jungle air, linger over steaming bowls of noodle soup along the coast, and treat any spontaneous flash of blue sky as an unexpected gift rather than an expectation.