Climate and monthly weather forecastWaipahu, HI

The climate of Waipahu

Waipahu, located in Hawaii, USA, boasts a tropical savanna climate, also classified as 'As' according to the Köppen climate system. This classification denotes a climate characterized primarily by a 'summer' dry season. Geographically, Waipahu is located in a tropical environment, which significantly influences its weather patterns throughout the year.

On a yearly observation, it is seen that the temperatures in this city range from a mild 68°F (20°C) to a warmer 82°F (27.8°C). Indoor activities can be organized comfortably across all seasons. Humidity levels hover around 74% to 76% annually, reflecting a relatively consistent yero-round moist atmosphere. The city experiences rainfall in every month, with the least amount recorded at 0.71" (18mm) and the highest reaching up to 2.09" (53mm). This means that the rainfall frequency is generally moderate, enabling the city to flourish with lush greenery and diverse fauna.

Additionally, sea temperatures stay relatively warm throughout the year, ranging from 75.7°F (24.3°C) to 80.6°F (27°C) - a lovely range for water activities. The daylight hours range from 10.8 hours to 13.4 hours, indicating the city enjoys a longer day span during certain periods of the year. Sunshine duration fluctuates during the year, between 6.3 hours to 9.9 hours a day, offering sufficient daylight for outdoor activities.

The best time to visit Waipahu

The ideal time to visit Waipahu would fall between May and October when temperatures range from 78.6°F (25.9°C) to 82°F (27.8°C) offering warm weather conducive to all outdoor activities. Sea temperatures also float between 79.2°F (26.2°C) to 80.6°F (27°C) during this period lending an ideal time for ocean swimming, snorkeling, or scuba diving. Moreover, the duration of daylight is quite extensive, reaching up to 13.4 hours in June. Sunshine hours are also at peak during this period, reaching 9.9 hours in June.

The worst time to visit Waipahu

The least favorable time to visit Waipahu would be from January to April, with February recording the lowest temperatures of 68°F (20°C). Despite being a tropical city, the winter months may not offer as much warmth as some might expect. The sea temperature also drops to 75.7°F (24.3°C) in March, which might be slightly cold for some people. Additionally, the number of sunshine hours drops to 7.6 hours in February, and the daylight hours shorten to 11 hours in January.

Spring weather in Waipahu

Spring in Waipahu, from March to May, showcases a moist climate with an average relative humidity of 74-75%. The monthly temperature ranges from 70.7°F (21.5°C) to 78.6°F (25.9°C). The sea temperature gradually warms up, from 75.7°F (24.3°C) in March to 78.2°F (25.7°C) in May, beckoning for water activities. Daylight hours also tend to lengthen, reaching up to 13.2 hours in May, enabling residents and tourists alike to enjoy longer outdoor activity durations.

Summer weather in Waipahu

Summer in Waipahu spans from June to August, presenting a cosy temperate climate, the average temperature hovering between 79.7°F (26.5°C) to 82°F (27.8°C). Notably, August registers the highest temperature of 82°F (27.8°C). These months showcase optimal sea temperatures from 79.2°F (26.2°C) to 79.6°F (26.4°C), encouraging anyone to plunge into the ocean with delight. The daylight hours remain consistently long throughout the season, reaching up to 13.4 hours in June.

Autumn weather in Waipahu

Autumn graces Waipahu with pleasant weather from September to November. The temperatures slightly drop compared to the summer months, but comfortably linger from 74.7°F (23.7°C) to 81.1°F (27.3°C). In these months, rainfall is relatively moderate, making it a fantastic period for exploring the outdoors. Sea temperatures remain inviting, varying from 78.7°F (25.9°C) in November to 80.6°F (27°C) in September.

Winter weather in Waipahu

Winter begins in December, rounding off in February in Waipahu. The average temperatures exhibit a subtle dip to lower values, fluctuating between 68°F (20°C) and 76.5°F (24.7°C). However, even in the chillier months, the city maintains comfortably warm temperatures for its residents and visitors. The sea temperature gently cools to 76.1°F (24.5°C) at its lowest point in February, yet remains suitable enough for engaging in water activities.

Weather in January

January in Waipahu, Hawaii, sees the lowest temperatures of the year, with the highest reaching up to 75.7°F (24.3°C) and the lowest approximately 69.1°F (20.6°C). This month is characterized by warm days and slightly cooler nights, offering comfortable weather for residents and tourists alike. Weather in January »

Weather in February

The following month, February, is characterized by a slight decrease in the day's highest temperatures to 75.4°F (24.1°C), while the lowest temperatures hover around 68°F (20°C). Weather patterns remain consistently tropical throughout the month, with high humidity and ample sunshine. Weather in February »

Weather in March

In March, Waipahu, Hawaii experiences gradual warming, with the highest temperatures being 75.4°F (24.1°C) and the lowest temperatures at an average of 68.5°F (20.3°C). The weather continues to stay warm and humid, providing the perfect tropical climate. Weather in March »

Weather in April

As Waipahu, Hawaii moves into April, the weather transitions gradually towards summer, with the highest temperatures marking an increase to 76.8°F (24.9°C). The nights continue to grow warmer, maintaining the tropical climate the area is known for. Weather in April »

Weather in May

Weather in Waipahu, Hawaii during May witnesses a continued warming trend, with the highest recorded temperatures reaching 78.6°F (25.9°C) and the lowest averaging at 72.1°F (22.3°C). This month signals the onset of dryer weather, with a decrease in both the humidity and the amount of rainfall. Weather in May »

Weather in June

June in Waipahu, Hawaii brings with it an increase in temperatures, peaking at an average high of 79.7°F (26.5°C). This month also marks the year's peak in terms of daylight hours, offering a generous 13.4 hours of light to the city's residents and visitors. Weather in June »

Weather in July

July in Waipahu, Hawaii is the warmest month on the calendar, with the maximum temperature scaling up to a comfortable 81.1°F (27.3°C). The transition to summer is now complete, with the prevalence of warm and sunny days, and the sea temperature touching 79.2°F (26.2°C). Weather in July »

Weather in August

In August, Waipahu, Hawaii weather sustains the warm pattern, experiencing the peak of the summer season. There is a negligible increase in the maximum temperature from the previous month, hitting 82°F (27.8°C). While the days continue to be warm and sunny, there is a slight increase in rainfall, bringing with it occasional cloudy weather. Weather in August »

Weather in September

The month of September in Waipahu, Hawaii witnesses a slight decrease in temperature from the highs of summer, with the maximum temperature recorded as 82°F (27.8°C). Nonetheless, the tropical climate continues to prevail, making it an excellent time to visit the city. Weather in September »

Weather in October

October brings a further slight decrease in temperatures in Waipahu, Hawaii, with the highest reading being 81.1°F (27.3°C). This month marks a departure from summer towards more autumnal weather, which affects the amount of rainfall measured. Weather in October »

Weather in November

In November, the weather in Waipahu, Hawaii, witnesses a further drop in daylight hours, with just 11.1 hours of light marking the advent of winter. The maximum temperature drops to 79°F (26.1°C), ensuring balmy days. The shift in weather also sees a slight increase in relative humidity. Weather in November »

Weather in December

Wrapping up the year, December brings with it a further decrease in temperatures, with the highest reading being 76.5°F (24.7°C) in Waipahu, Hawaii. As the city steps into the cooler months of the year, an increase in rainfall occurs. Weather in December »