Haiku, HI Weather
Haiku, HI climate is warm during summer when temperatures tend to be in the 70's and mild during winter when temperatures tend to be in the 60's.
The warmest month of the year is September with an average maximum temperature of 81.10 degrees Fahrenheit, while the coldest month of the year is February with an average minimum temperature of 59.20 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 14 degrees Fahrenheit, and fairly limited during winter with an average difference of 17 degrees Fahrenheit.
The annual average precipitation at Haiku is 47.14 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is January with an average rainfall of 6.02 Inches.
Weather Data
Weather Warnings
| High surf advisory in effect until 6 am hst Tuesday . |
Current Conditions
|
Fair, 70°F | Humidity: 82% | Dewpoint: 64°F |
| Wind Speed: CALM | Heat Index: 70°F | ||
| Barometer: 29.99 in. | Wind Chill: 70°F |
Weather Forecast
 | Hi: 80°F | Today: Sunny. Highs 74 to 84. East winds around 10 mph. |
| Lo: 61°F | ||
 | Hi: 80°F | Tuesday: Sunny with isolated showers. Highs 74 to 84. Southeast winds up to 10 mph. Chance of rain 20 percent. |
| Lo: 60°F | ||
 | Hi: 81°F | Wednesday: Mostly sunny in the morning then becoming partly sunny. Scattered showers. Highs 75 to 86. East winds 10 to 15 mph. Chance of rain 50 percent. |
| Lo: 61°F | ||
| Hi: 79°F | Thanksgiving day: Mostly sunny. Scattered showers in the morning...Then isolated showers in the afternoon. Highs 74 to 82. East winds 10 to 15 mph. Chance of rain 50 percent. |
| Lo: 63°F | ||
| Hi: 80°F | Friday: Mostly sunny with isolated showers. Highs 74 to 85. East winds 10 to 15 mph. Chance of rain 20 percent. |
| Lo: 62°F | ||
| Hi: 79°F | Saturday: Mostly sunny with isolated showers. Highs 73 to 84. Southeast winds around 10 mph. Chance of rain 20 percent. |
| Lo: 60°F |
Moon, Sunrise and Sunset
 |
Moon Phase: First Quarter Moon | Civil Twilight: 6:16 AM HST |
Sunrise: 6:40 AM HST |
| Sunset: 5:42 PM HST |
Civil Twilight: 6:06 PM HST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 76.1 | 75.9 | 75.5 | 75.7 | 77.0 | 78.7 | 79.3 | 80.5 | 81.1 | 79.9 | 77.4 | 76.3 | 77.8 |
| Mean °F | 67.9 | 67.6 | 68.1 | 69.0 | 70.2 | 71.7 | 72.8 | 73.5 | 73.7 | 72.7 | 70.9 | 68.9 | 70.6 |
| Min °F | 59.6 | 59.2 | 60.6 | 62.3 | 63.4 | 64.7 | 66.2 | 66.4 | 66.2 | 65.5 | 64.4 | 61.5 | 63.3 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 6.02 | 3.82 | 5.76 | 4.79 | 2.84 | 2.50 | 3.22 | 3.03 | 1.92 | 3.11 | 5.21 | 4.92 | 47.14 |
