During the week of 30 June 2025 - 6 July 2025, temperatures averaged at 30 °C (86 °F) during the day and dropped to 23 °C (73 °F) at night. Both the daily and night temperatures in Waikiki are roughly same as the long-term average, which is around 30 °C (86 °F) and 22 °C (72 °F) respectively. On average, the temperatures during various times of day (in local time) were recorded as: 7am 24 °C (75 °F), 10am 28 °C (82 °F), 1pm 29 °C (84 °F), 4pm 28 °C (82 °F), 7pm 26 °C (79 °F), 10pm 25 °C (77 °F).

During this week: 2 days without rain, 4 days with light rain and 1 day with moderate rain were observed. During the whole week, total of 5 mm (0.20 in) of precipitation was observed, which is below the long term average for Waikiki, which is 11 mm (0.43 in). From dawn to dusk, there was an average of 46 % cloud coverage during the day.

An average wind speed of 6.1 m/s was recorded. Prevailing wind direction(s) were East and North-East. The atmosferic pressure ranged from 1016 hpa to 1021 hpa. On average, the air humidity in Waikiki was 69 %.

On average, there were 4 hours clear skies, 5 hours partially overcast skies, 3.5 hours overcast skies and 1.5 hours rainy weather during the daytime (from dawn to dusk). Average time of sunrise was 05:53, average time of sunset was 19:17.

Weather overview

Situated in the United States of America, Waikiki exhibits a quintessentially tropical climate with balmy conditions prevailing throughout the year. Daytime temperatures fluctuate between a mild 27 °C (80 °F) during the cool month of February, peaking at a warm 31 °C (87 °F) in the sultry month of September. The warmest seas greet visitors in September, reaching a cozy 27 °C (80 °F), while the chilliest dip in the ocean can be experienced in February, with waters cooling to 24 °C (75 °F). Evenings in August bring the highest nocturnal temperatures, at approximately 23 °C (73 °F), and the flip side features February's cooler nights at just about 18 °C (65 °F). The driest spell is typically in January, with a scant 10 days of precipitation, while March sees the most considerable downpours, tallying up to 11 days of rainfall.

January weather

In Waikiki, January marks a period where the sea temperature modestly decreases to 24 °C (76 °F), while the daytime temperature also witnesses a slight drop to 27 °C (80 °F). Evenings become slightly cooler, yet an uptick in the duration of cloudless sunlight is notable. January also presents the fewest rainy days, with the total being 10 days, paired with the observation of minimal wind activity at 4.

February weather

February in Waikiki is characterized by the sea and daylight temperatures reaching their annual nadirs, reading 24 °C (75 °F) and 27 °C (80 °F) respectively. Rainy days exhibit an ascendant trend, peaking at 10 days, whereas rainfall volume begins to diminish, registered at 75 mm (2.94 in). Notably, this month experiences the most minimal nocturnal temperatures, complemented by an increment in the hours of unobstructed sunshine, which amount to 7 hours.

March weather

March denotes the peak of rainy days in Waikiki, tallying 11 days. The month also signals the beginning of warmer days, with temperatures moderately climbing to 27 °C (81 °F), and nights becoming less chilly as they inch up to 19 °C (66 °F). The abundance of sun hours continues its progressive increase.

April weather

With the warmth of April nights gaining momentum at 20 °C (68 °F) in Waikiki, there's a slight decrease in rainfall volume, now at 59 mm (2.31 in).

May weather

Come May, Waikiki begins to sizzle as the sea temperature rises to 25 °C (77 °F), daytime warmth advances to 28 °C (83 °F), and the number of rainy days starts to fall. Nights continue to warm, reaching 21 °C (70 °F), while the sunny hours also swell to 9 hours.

June weather

Progressing into June, Waikiki's sea temperature makes forward strides to 25 °C (78 °F), with day temperatures escalating further to an enjoyable 30 °C (85 °F). The downward trend in the number of rainy days continues, yet nights remain balmy at 22 °C (72 °F). The humidity level sees its minimum, sitting at around 66 %.

July weather

July in Waikiki sees the night temperatures climbing a tad higher than the preceding month. Rainfall figures slightly uptick to 52 mm (2.04 in), while the zenith of sunlit hours is recorded at 9 hours.

August weather

In August, Waikiki's waters warm in tune to 26 °C (79 °F), and daytimes sizzle at 30 °C (87 °F). Rain precipitation begins to wane, dropping to 41 mm (1.61 in), while the twilight hours observe their highest warmth. Gusts of wind also reach their annual climax this month.

September weather

September witnesses the sea temperature in Waikiki soar to its peak at 27 °C (80 °F), and daytime heat tops out at an equally impressive 31 °C (87 °F). The trend of rainy days begins a gradual uptick, registering 10 days, although the least amount of rainfall is observed during this period, amounting to 40 mm (1.56 in). The duration of sunlight starts to see a decline, documented at 9 hours.

October weather

October in Waikiki heralds a dip in the diurnal temperatures, as well as a downtrend in nocturnal warmth, recorded at 22 °C (71 °F). Concurrently, the volume of rain sees an upsurge to 90 mm (3.54 in). The count of sunlit hours experiences a decline, settling at 8 hours.

November weather

As November ushers in, Waikiki's diurnal temperatures slightly lower in comparison to the prior month, while sea temperatures also observe a downtick to 21 °C (69 °F). The volume of rainfall hits its yearly peak this month, with a hefty 144 mm (5.68 in). Sunny hour count decreases further to 7 hours.

December weather

December brings further cooling to daytime temperatures in Waikiki, mirrored by the sea's diminishing warmth at 25 °C (77 °F). Rain amounts also start to lessen, while the least amount of sun hours marks the month. The length of the day is shortest during this period.

What are the expected climatic conditions with regards to humidity for January in Waikiki?

January in Waikiki should present you with humidity levels around 74 %.

During February, what is Waikiki's typical sea temperature?

In Waikiki, the average sea temperature for February is a cool 24 °C (75 °F).

Does Waikiki experience the height of its wet season in March?

Indeed, March in Waikiki is notably not part of the dry season, with rain occurring on average for 11 days of the month.

Can you inform me about the prevalent wind conditions in Waikiki during April?

You should expect a gentle breeze in April in Waikiki, with wind speeds averaging 5.

How cool do Waikiki nights get in May?

Nighttime temperatures in Waikiki during May average at a comfortable 21 °C (70 °F).

What is the ambiance like during a daytime stroll in Waikiki in June?

June invites you to relish Waikiki's daytime charm, with average temperatures around a radiant 30 °C (85 °F).

Is July substantially rainy in Waikiki?

July in Waikiki tends to be dry, with rains marking 10 days of the month on average.

Does August in Waikiki present an exceedingly warm climate?

Waikiki in August offers a pleasingly warm ambiance that is unlikely to be overly hot.

What kind of sea temperatures will swimmers enjoy in Waikiki during September?

Swimmers will embrace a delightful 27 °C (80 °F) in the waters around Waikiki this September.

What's the typical amount of rainy days in Waikiki throughout October?

Expect a notable amount of precipitation in Waikiki during October with an average of 11 days marked as rainy.

Is visiting Waikiki in November recommended based on its weather patterns?

November in Waikiki showcases ideal conditions for vacationers with 29 °C (83 °F) days and appealing 26 °C (79 °F) sea temperatures.

How much sunshine will I experience in Waikiki during December?

Come December, Waikiki garners an average of about 6 hours of sunshine per day.