Hawaii, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and Climate
Honolulu, HI

Waikiki beach viewed from above, with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance
Waikiki beach viewed from above, with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance
Honolulu, the capital city of Hawaii State, experiences a tropical hot semi-arid climate classified as Bsh under the Köppen climatic classification.

Characterized by a warm and relatively dry summer and rainy but sunny winter, Honolulu has an annual average humidity of 68.0%. Most of the rain falls in winter and averages 431.8mm (17") annually from an average of 90 rainy days of the entire year, although in summer a few showers may also be experienced.
It is generally sunny in Honolulu with an average of 278 sunny days during the year.

Summer temperatures are hot, scorching, and dry and range between 21°C (69.8°F) and 32°C (89.6°F) with an average of eleven hours of sunshine in most days. It is mostly cloudy in summer, and the wind speed goes up to 26.6km/h (16.5mph).

Winters, are pleasant, wet and humid with a temperature range between 19°C (66.2°F) and 27°C (80.6°F) and an average of nine sunshine hours in most of the days. Winter skies are always almost clear, and the wind speed is relatively low blowing at an average of 19.8km/h (12.3mph).
Advertisement .
The best time to visit Honolulu, Hawaii is incontestably the winter, when the weather is pleasant and warm, and the ocean temperature is ranging between 24°C (75.2°F) and 25.6°C (78.1°F). This is perfect weather for sea activities and any outdoor indulging.
Most tourists visit Honolulu during winter in order to escape the extremely low winter temperatures in other US cities. The skies are clear, and the sun shines almost all day long. Expect rainfall in winter albeit without altering the pleasant weather.

Honolulu is generally a warm city. There is not a possible bad time to visit the city. However, visiting Honolulu during summer has significant setbacks that may be hard to get around for most people.
The worst is the massive crowd of people in every single spot. From the beaches to the hotels, and even the streets there are flock crowds of people enjoying the summer heat. For lovers of peace, the summer would be a wrong time to visit the city considering that the schools are closed, and the children are all over. It gets stuffy, crowded, and noisy everywhere.

January weather in Honolulu is a pleasant way to start the year. Humidity is at 74%, and the temperatures are mildly warm, averaging between 19°C (66.2°F) and 27°C (80.6°F). Weather in January »

The weather remains pleasant and favorable in February with the lowest temperatures reading steadily at 19°C (66.2°F) and the highest remaining steady at 27°C (80.6°F). Weather in February »

March in Honolulu is characterized by temperatures ranging between 20°C (68°F) at the lowest point, and the highest score steadies on at an average of 27°C (80.6°F). Weather in March »

The temperatures rise to read an average between 21°C (69.8°F) and 28°C (82.4°F) getting warmer with the sunshine hours sitting steady at an average of nine per day. Weather in April »

May in Honolulu is a transitional month into summer and is characterized by a further drop in humidity to 64% and a rise in temperatures with the lowest reading averaging 22°C (71.6°F) and the highest at 29°C (84.2°F). Weather in May »

The temperatures shoot up to read between 23°C (73.4°F) and 31°C (87.8°F), making it hotter than it was in the past few months. Humidity drops to 63%, and so does the rainfall. Weather in June »

The sunshine hours per day are steady at eleven heating the ocean temperatures to a constant 26°. The temperatures rise further to read 24°C (75.2°F) at the lowest point and a constant 31°C (87.8°F) at its highest point. Weather in July »

Temperatures are extremely high with the highest reading 32°C (89.6°F) and the lowest reading of 24°C (75.2°F). Rainfall in August takes a slight rise to an average of 12.7mm (0.5"). Weather in August »

September is still hot with steady temperatures at 24°C (75.2°F) at its coldest and 32°C (89.6°F) at its warmest. The amount of rain increase during the month, raining for an average of eleven days to collect at 15.2mm (0.6"). Weather in September »

The temperature in October reads an average between 23°C (73.4°F) and 31°C (87.8°F), a slight drop from the previous month as the cold season is approaching. This is a great time to enjoy the warm ocean waters. Weather in October »

November is relatively colder as the temperatures drop to a warm and still pleasant 22°C (71.6°F) when it is coolest and read 29°C (84.2°F) when it is warmest. Weather in November »

December is characterized by pleasantly warm temperatures between 20°C (68°F) and 27°C (80.6°F). It is not as hot as during the summer, but it is favorable for every outdoor engagement. Weather in December »