Monthly Weather in Honolulu, United States
What is the average monthly temperature in Honolulu?
The average monthly temperature in Honolulu, Hawaii, United States ranges from 23.4°C (74.2°F) in January to 27.7°C (81.8°F) in August. Honolulu temperature by month is given in the table below.
| Month | Celsius | Fahrenheit |
|---|---|---|
| January | 23.4°C | 74.1°F |
| February | 24.2°C | 75.6°F |
| March | 24.7°C | 76.5°F |
| April | 25.2°C | 77.4°F |
| May | 25.4°C | 77.7°F |
| June | 26.6°C | 79.9°F |
| July | 27.3°C | 81.1°F |
| August | 27.7°C | 81.9°F |
| September | 27.5°C | 81.5°F |
| October | 26.4°C | 79.5°F |
| November | 25.6°C | 78.1°F |
| December | 23.6°C | 74.5°F |
What is the hottest month in Honolulu?
The hottest months in Honolulu are August, September and July. During August the average temperature outside is 27.7°C (81.9°F), in September it is 27.5°C (81.5°F) and during July the air temperature is around 27.3°C (81.1°F).
What is the coldest month in Honolulu?
The coldest months in Honolulu are January, December and February. In January the average air temperature drops to 23.4°C (74.1°F), in December air temperature is 23.6°C (74.5°F) and during February it is 24.2°C (75.6°F).
How much does it rain on average in Honolulu?
On average it rains for 12 month(s) in Honolulu, United States with an average of 27.3 days of rain per month. In total Honolulu has 328 rainy days in a year.
When does it rain the most in Honolulu?
In Honolulu it rains the most during the following months.
- February - on average 3.17mm (0.12 inches) of rainfall per day.
- April - on average 2.82mm (0.11 inches) of rainfall per day.
- March - on average 2.09mm (0.08 inches) of rainfall per day.
- November - on average 2.07mm (0.08 inches) of rainfall per day.
- December - on average 0.96mm (0.04 inches) of rainfall per day.
- May - on average 0.72mm (0.03 inches) of rainfall per day.
Does it snow in Honolulu?
No, it doesn't snow in Honolulu.
When is it windy in Honolulu?
The windiest months in Honolulu, United States are August, July and September. In August the average windspeed is 30 km/h (18.6 mph), during July the windspeed is 29.3 km/h (18.2 mph) and in September the windspeed is 29.1 km/h (18.1 mph).
What are the least windy months in Honolulu?
The least windy months in Honolulu are January, October and March. In January the average windspeed is 20.1 km/h (12.5 mph), during October the windspeed is 21.3 km/h (13.2 mph) and in March the windspeed is 22.6 km/h (14 mph).
When is it cloudy in Honolulu?
The cloudiest months in Honolulu, United States are March, April and July. On average in March 60.7% of sky is covered by clouds, in April 59.1% is covered by clouds and in July clouds cover about 58.6% of sky.
When does Honolulu have the clearest sky?
Honolulu has the clearest sky in October, August and January. In October 44.3% of sky is covered by clouds, in August clouds cover around 47.4% and during January clouds cover about 48.6% of sky.
What is the average daylight duration in Honolulu?
The average daylight duration in Honolulu is 12 hours 8 minutes 36 seconds.
Which months have the most daylight in Honolulu?
The longest days in Honolulu are during June, July and May.
- June - 13 hours 24 minutes 28 seconds of daylight.
- July - 13 hours 16 minutes 51 seconds of daylight.
- May - 13 hours 9 minutes 26 seconds of daylight.
Which months have the least daylight in Honolulu?
The shortest days in Honolulu are during December, January and November.
- December - 10 hours 51 minutes 33 seconds of daylight.
- January - 11 hours 0 minutes 16 seconds of daylight.
- November - 11 hours 7 minutes 28 seconds of daylight.
What are the humidity levels in Honolulu throughout the year?
Humidity levels in Honolulu, United States range from 64.2% in August to 76.2% in December.
What are the pressure levels in Honolulu throughout the year?
Pressure levels in Honolulu change from 1015.2 mb (millibars) in October to 1017.6 mb in February.
What is the visibility in Honolulu throughout the year?
Visibility in Honolulu changes from lowest 15.6 km (9.7 miles) in April to highest 15.9 km (9.9 miles) in March.
What are the UV levels in Honolulu throughout the year?
UV levels change in Honolulu from 5.6 in December to 9.2 in August.
Which months have the highest UV levels in Honolulu throughout the year?
In Honolulu, United States the highest UV index is during August, May and September. During August the average UV index is 9.2, in May UV level is 8.7 and in September UV index is around 8.5.
Which months have the lowest UV levels in Honolulu throughout the year?
The lowest UV levels in Honolulu are in December, February and November. In December the average UV index is around 5.6, in February UV index is 6.1 and during November UV level is 6.2.