Honolulu, HI weather and climate in 2024
Day
27 °C
Night
18 °C
Sea
24 °C
Precipitation
130 mm
in month
Rainy days
10 days
in month
Daylight
11 hours
average
Sunshine
7 hours
average
Humidity
74 %
Day
27 °C
Night
18 °C
Sea
24 °C
Precipitation
130 mm
in month
Rainy days
10 days
in month
Daylight
11 hours
average
Sunshine
7 hours
average
Humidity
74 %
Overview: Honolulu, HI
Weather charts for Honolulu, HI
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Weather overview for Honolulu, HI
Weather overview
Honolulu, the vibrant capital of Hawaii, is blessed with a tropical climate that offers warm weather year-round. Temperatures throughout the year are consistently pleasant with daytime highs ranging from around 27 °C (80 °F) in February to 30 °C (87 °F) in September. The rain falls more frequently in the winter months but rarely disrupts the day, as even the wettest month sees a manageable amount of precipitation, at around 130 mm (5.12 in) in December. Sunshine is abundant across the year, ensuring that any time is a great time to be outdoors. The gentle trade winds provide a refreshing breeze, softening the effects of the tropical humidity which can reach 74 % in January.
January weather
January in Honolulu welcomes you with mild and enviable winter temperatures averaging 27 °C (80 °F) during the day. Cooler nights with lowest temperatures at 18 °C (65 °F) make it perfect for a peaceful evening walk along the shore. The relatively dry season sees an average of 10 days rainy days and about 6 hours of daily sunshine, ensuring ample time for outdoor activities.
February weather
February in Honolulu continues to charm visitors with its mild climate, where the average daytime temperature slightly decreases to 27 °C (80 °F). Night-time brings a subtle chill with temperatures averaging 18 °C (65 °F). Rainfall is at a lower quantity this month at around 81 mm (3.18 in), and the sun generously offers 7 hours of its warmth daily.
March weather
With the transition towards spring, March sees daytime temperatures in Honolulu averaging a comfortable 27 °C (81 °F). Evenings remain mild at around 19 °C (66 °F). Increased sunshine hours to about 8 hours allow for longer days filled with beach and ocean activities despite the likelihood of encountering 11 days of rain.
April weather
April brings a slight uptick in warmth in Honolulu, averaging 27 °C (81 °F) during the day, while the nights are cozily mild at 20 °C (67 °F). The potential for rain exists over 11 days, but the showers are usually brief and sporadic. Around 8 hours of daily sunshine facilitate glorious days on the island.
May weather
Come May, the temperature in Honolulu rises gently to an average of 28 °C (83 °F) during the day, and the inviting nights hover around 21 °C (69 °F). As the possibility of rain decreases to only 11 days, you'll appreciate approximately 9 hours of sunshine each day to bask in the island's beauty.
June weather
June's weather in Honolulu signals the start of warmer summer days with averages reaching 29 °C (85 °F). Evening temperatures are a mild 22 °C (71 °F), ideal for enjoying the night scenery. The rain isn't a major concern, averaging only about 11 days of showers, while the sun generously provides about 9 hours of daily illumination.
July weather
July in Honolulu epitomizes the summer feel with daytime temperatures peaking at 30 °C (85 °F). The night air is comfortably warm, averaging 23 °C (73 °F). With rain only occurring over an average of 11 days, the sun continues to shine for 10 hours per day, making it ideal for all types of summer activities.
August weather
August in Honolulu continues the trend of warm summer weather, with an average daytime high of 30 °C (86 °F). Nights remain warm with an average of 23 °C (73 °F). The chance of rain is similar to July, with around 10 days, allowing for over 9 hours of sunshine to brighten the city.
September weather
September sees the peak of Honolulu's summer with the highest daytime temperatures averaging 30 °C (87 °F). The nights continue to be warm at around 22 °C (72 °F). The ocean temperature remains inviting for swimmers. Rain is present on about 11 days but often short-lived, and you can expect plenty of sunshine with 9 hours each day.
October weather
As Honolulu enters autumn in October, temperatures begin to cool, but only slightly, with an average high of 30 °C (86 °F). Nighttime temperatures dip to 22 °C (71 °F). The month brings an average of 11 days of rain, ensuring that Honolulu maintains its lush appeal alongside 8 hours of daily sun.
November weather
November in Honolulu has daytime temperatures slightly lower than October, averaging around 28 °C (83 °F), while the evenings are comfortably cool at 21 °C (69 °F). The phenomenon of rain slightly increases to around 11 days, but the decreasing sun hours to 7 hours still leave enough time for enjoying the city and beaches.
December weather
December marks the onset of cooler weather in Honolulu, with the average daytime temperature dropping to 27 °C (81 °F). Evenings are noticeably cooler at about 20 °C (67 °F). The rain is at its peak this month, but still only affects about 11 days. The shortest days in terms of sunlight, at around 6 hours, coincide with the holiday season.
FAQs
How appropriate is beachwear in Honolulu during January?
Beachwear is quite appropriate in Honolulu throughout January, thanks to daytime temperatures averaging 27 °C (80 °F). You might want a light wrap or jacket for the cooler evenings, which can dip to an average low of 18 °C (65 °F).
How cool does it get at night in Honolulu during February?
February nights in Honolulu are mildly cool with an average minimal temperature of 18 °C (65 °F)—a light sweater might be all you need to stay comfortable during evening sojourns.
What kind of weather should I prepare for in Honolulu during March?
Prepare for warm and inviting weather in Honolulu during March with average daytime temperatures of 27 °C (81 °F). However, bring an umbrella or raincoat, as there are typically around 11 days rainy days.
Is April a dry month in Honolulu?
April isn't particularly dry in Honolulu, although the rain, amounting to 81 mm (3.18 in) on average, tends to come in short, manageable bursts spread across about 11 days.
Is the weather comfortable for hiking in Honolulu in May?
With daily highs averaging 28 °C (83 °F) and cooler nights around 21 °C (69 °F), May offers comfortable weather for hiking and enjoying Honolulu's natural attractions.
What’s the best attire for Honolulu in June?
Light, breathable attire is best for Honolulu in June, with high temperatures reaching around 29 °C (85 °F). Evenings are quite mild, so you might want a thin layer if you tend to feel cool after sundown.
How does the humidity affect the feel of Honolulu in July?
While July brings a relative humidity averaging 67 %, the trade winds often help to alleviate the muggy feel, keeping conditions quite comfortable in Honolulu.
Are late summer nights in Honolulu warm in August?
Yes, late summer nights in Honolulu are quite warm in August, averaging 23 °C (73 °F), making it perfect for enjoying the vibrant nightlife or a quiet stroll on the beach.
What to expect weather-wise in Honolulu during September?
In September, expect the year's warmest weather with average daytime highs of 30 °C (87 °F) in Honolulu. Even with warm nights around 22 °C (72 °F), the sea provides a refreshing escape.
Will I need a jacket in Honolulu during October nights?
You may want a light jacket or sweater for October nights in Honolulu as the temperature averages around 22 °C (71 °F), but for most, the balmy evenings are still quite enjoyable without one.
What type of clothing is recommended for a trip to Honolulu in November?
Light and casual clothing is perfect for daytime in November in Honolulu, with average temperatures at 28 °C (83 °F). Carrying a sweater for the cooler 21 °C (69 °F) nights is a good idea.
Does the weather change significantly in Honolulu during December?
While you can expect cooler weather in December in Honolulu compared to the summer months, with an average high of 27 °C (81 °F), it is still pleasantly warm and suitable for most outdoor activities.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.