Kapaa, HI Weather
Kapaa, HI climate is warm during summer when temperatures tend to be in the 70's and warm during winter when temperatures tend to be in the 70's.
The warmest month of the year is September with an average maximum temperature of 85.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 65.40 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 10 degrees Fahrenheit, and fairly limited during winter with an average difference of 12 degrees Fahrenheit.
The annual average precipitation at Kapaa is 49.14 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is November with an average rainfall of 6.73 Inches.
Weather Data
Weather Warnings
| High surf advisory in effect until 6 pm hst this evening high surf advisory in effect from 4 am Saturday to 6 pm hst Sunday . |
Current Conditions
|
Mostly Cloudy, 69°F | Humidity: 70% | Dewpoint: 59°F |
| Wind Speed: NE 20.7 MPH (18 KT) | Heat Index: 69°F | ||
| Barometer: 30.06 in. | Wind Chill: 69°F |
Weather Forecast
 | Tonight: Partly cloudy with isolated showers. Lows around 60. Northeast winds 10 to 15 mph. Chance of rain 20 percent. | |
| Lo: 60°F | ||
 | Hi: 76°F | Saturday: Mostly sunny with isolated showers. Highs around 76. East winds 10 to 15 mph. Chance of rain 20 percent. |
| Lo: 62°F | ||
| Hi: 78°F | Sunday: Mostly sunny with isolated showers. Highs around 78. East winds 10 to 15 mph. Chance of rain 20 percent. |
| Lo: 63°F | ||
 | Hi: 78°F | Monday: Mostly sunny with a 20 percent chance of showers. Highs around 78. Northeast winds around 10 mph. |
| Lo: 63°F | ||
 | Hi: 78°F | Tuesday: Partly sunny with a 30 percent chance of showers. Highs around 78. Northeast winds 10 to 15 mph. |
| Lo: 62°F | ||
| Hi: 78°F | Wednesday: Mostly sunny with a 20 percent chance of showers. Highs around 78. Northeast winds around 15 mph. |
| Lo: 63°F | ||
| Hi: 78°F | Thursday: Mostly sunny with a 20 percent chance of showers. Highs around 78. Northeast winds 10 to 15 mph. |
| Lo: 63°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:19 AM HST |
Sunrise: 6:41 AM HST |
| Sunset: 6:48 PM HST |
Civil Twilight: 7:10 PM HST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 77.9 | 77.9 | 78.1 | 78.8 | 80.6 | 82.7 | 83.9 | 84.9 | 85.0 | 83.5 | 81.0 | 79.0 | 81.1 |
| Mean °F | 71.7 | 71.7 | 72.7 | 73.9 | 75.4 | 77.7 | 79.0 | 79.7 | 79.5 | 78.2 | 75.9 | 73.3 | 75.7 |
| Min °F | 65.4 | 65.5 | 67.3 | 68.9 | 70.3 | 72.7 | 74.0 | 74.5 | 74.0 | 72.8 | 70.8 | 67.6 | 70.3 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 5.58 | 4.26 | 4.24 | 4.16 | 4.02 | 2.06 | 2.80 | 2.46 | 2.59 | 4.50 | 6.73 | 5.74 | 49.14 |
