Climate and monthly weather forecastWaimalu, HI

The climate of Waimalu

Nestled in the heart of Hawaii, USA, the climatic conditions of Waimalu typify an As or tropical wet and dry climate under the Köppen climate classification. Herein, a marked 'summer' dry season balances the region's conventional tropical climate. Rolling through the calendar, Waimalu experiences a harmonic dance between elevated temperatures and bouts of rainfall.

A temperature examination reveals highs circling from 75.4°F (24.1°C) in February to 82°F (27.8°C) in August with the mercury drip falling to signal the lows between 68°F (20°C) in February to 75°F (23.9°C) in September. The relative humidity clings, more or less, to the 75% mark, creating a climate that’s mildly humid. Heated climate and the island's geographical position result in a relatively stable sea temperature throughout the year, with the water temperature ranging from a pleasant 75°F (23.9°C) in the early months to a warm 81°F (27.2°C) during August to October.

Rainfall paints a less consistent annual picture. January, February, and March experience rainfall from 1.1in to 1.93in, while rainfall from April to September hovers in the range of 1.22in to 1.02in. October sees a spike in the wet weather, with rainfall of 2.09in, followed by milder rainfall of 1.18in in November and 1.65in in December. Indeed, Waimalu doesn't shy away from its tropical nature.

The best time to visit Waimalu

If turquoise waters and sunlit days top the travel list, it's worth noting that June, July, and August offer the most sunshine, boasting 9.9 hours and 9.3 hours and impressive sea temperatures hovering around 81°F (27.2°C). Rainfall during these months is also at its annual low, with June seeing just 1.06in of rain. Naturally, these are also the warmest months of the year, with temperatures climbing to 81.1°F (27.3°C) in July and to 82°F (27.8°C) in August, making this period ideal for beach or outdoor activities.

The worst time to visit Waimalu

On the flip side, the weather conditions from February to April might not lend themselves as favorably to those eager to avoid rainfall and embrace abundant sunlight. These months see rainfall quantities climb from 1.61in in February to 1.93in in March, and daily sunshine averages dropping, with only 7.5 hours registered in March. Moreover, these months also report lower sea temperatures, down to 75°F (23.9°C), which may deter those looking to indulge in water-based activities.

Spring weather in Waimalu

The arrival of Spring in Waimalu, typically from March to May, does not deviate dramatically from the overall tropical nature of the region. During this time, temperatures rest between a comforting 70.7°F (21.5°C) and 72.1°F (22.3°C) while high temperatures rise steadily from 75.4°F (24.1°C) to 78.6°F (25.9°C). Rainfall stands at 1.93in in March and later eases to 1.22in in April and 1.46in in May while daylight graces the region for around 12 to 13.2 hours daily.

Summer weather in Waimalu

Waimalu’s summer, extending from June to August, unveils the warmest weather of the year. High temperatures ascend from 79.7°F (26.5°C) in June to a peak of 82°F (27.8°C) in August. However, the cooling sea offers a welcome respite, maintaining a constant temperature of 81°F (27.2°C). Rainfall decreases significantly over these months, hitting its yearly low of 0.71in in July and averaging 1.02in in August.

Autumn weather in Waimalu

Moving into Autumn, from September to November, Waimalu observes a slight fall in temperatures, with lows nearing 73.2°F (22.9°C) in November and highs dropping to about 79°F (26.1°C). The sea temperature remains at a consistent 81°F (27.2°C) until October before dropping lightly to 79°F (26.1°C). Rainfall sees an uptick, culminating in 2.09in in October.

Winter weather in Waimalu

In Winter, from December to February, Waimalu's temperature ranges lightly, with lows hovering around 69.1°F (20.6°C) to 70.5°F (21.4°C) and high temperatures sliding from 76.5°F (24.7°C) in December to 75.4°F (24.1°C) in February. Rainfall is moderate but visible at 1.65in in December, dropping to 1.1in in January and elevating to 1.61in in February. The sea temperature decreases to a still comfortable 77°F (25°C) in December and maintains this through to February.

Weather in January

January in Waimalu, Hawaii, features a perfect blend of humidity and shower, synchronizing a punch of pleasant tropical climate. This period displays the lowest rainfall of the year, marked at 1.1" (28mm) along with approximately 13.5 days of rain, offering a desirable relief to the locals. Weather in January »

Weather in February

In February, Waimalu gains 0.5 more hours of daylight compared to January, yet enjoys an almost similar temperature range. Residing in the heart of Hawaii, Waimalu acts as a perennial vacation spot with a sea temperature of 75°F (23.9°C), despite the slight increase in rainfall. Weather in February »

Weather in March

March in Waimalu witnesses a surge in rainfall to 1.93" (49mm), yet manages to retain its balmy demeanor. The city witnesses a subtle uptick in the daily temperature, combined with 12 hours of daylight. The increased amount of sun exposure allows residents to revel under clear skies despite the ephemeral showers, coloring the city with vibrancy. Weather in March »

Weather in April

April carries forward the essence of the Hawaiian climate to Waimalu, boasting of a subtle dip in the rainfall to 1.22" (31mm). This period encounters escalating average temperatures that blend aptly with the city's relaxed coastal vibe. Weather in April »

Weather in May

May is an idyllic time in Waimalu, with the weather exhibiting a combination of mildly warm temperatures and moderate rainfall. The city enjoys its peak daylight time of 13.2 hours, ensuring an affluent amount of Vitamin D for the inhabitants. Weather in May »

Weather in June

June amplifies the Hawaiian summer vibe in Waimalu with a marginal increase in temperature. Among the key features of this month are its mostly sunny and clear skies, inviting residents to partake in various outdoor activities. Despite the rise in temperature, June observes a significant dip in rainfall to just 1.06" (27mm), maintaining an appropriate humectant counterbalance. Weather in June »

Weather in July

July in Waimalu is noted for its tropical summer luster with consistent temperature readings. Despite the steady heat, life in this Hawaiian city is remarkably pleasant due to the moderated wind and relative humidity. Intermittent rains escort an invigorating burst of freshness while the daylight of 13.3 hours ensures adequate sun exposure for residents. Weather in July »

Weather in August

August in Waimalu is often labeled as a month synonymous with mildly humid summer weather. The city experiences a modicum of heat with minimal fluctuations in daylight and sea temperature. Despite the slightly increased rainfall, August remains a comfortable month, also denoting a dip in wind speed to a significant 11.1mph (17.9km/h). Weather in August »

Weather in September

September marks the end of summer in Waimalu, characterized by a stable temperature, tapering daylight hours, and a sea at a constant 81°F (27.2°C). Weather realigns itself with a rise in rainfall while the city continues to benefit from sunshine for 8.4 hours per day. Weather in September »

Weather in October

October in Waimalu exhibits the onset of fall, accompanied by a gradual decrease in temperature. Distinct weather features include the receding daylight hours and consistent sea temperature, which pleases both locals and tourists. Weather in October »

Weather in November

The pleasant weather of November adds grace to the city life of Waimalu, Hawaii. As fall sets in, the city observes a minor drop in temperature, balanced by the sea temperature and daylight hours seen in October. This month doesn't reserve any surprises in terms of wind speeds as they drop slightly to 10.2mph (16.4km/h), sustaining the pleasantness throughout November. Weather in November »

Weather in December

December, the final month of the year, bestows Waimalu with a cool and temperate climate. As the temperature lowers around the holiday season, this Hawaiian city becomes a soothing retreat from the freezing temperatures of mainland America. Weather in December »