Weathermondo.comHanalei climate and temperatures
The climate of Hanalei is a tropical savanna climate (Köppen: Aw), characterized by consistently warm temperatures and a dry winter season. Monthly temperatures range from a minimum of 26°C in February to a maximum of 30°C in July. The average annual temperature is around 29°C.
During the colder months, nighttime temperatures average around 19°C, while in the warmer months they average about 24°C.
Climate table of Hanalei
The climate table below gives you a clear overview of the climate in Hanalei by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 14 | 16 | 17 | 19 | 23 | 27 | 30 | 30 | 27 | 23 | 18 | 16 |
| Temp. min (°C) | 6 | 7 | 9 | 11 | 15 | 19 | 22 | 22 | 19 | 15 | 10 | 7 |
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| Rainfall (mm) | 46 | 34 | 46 | 64 | 43 | 23 | 22 | 75 | 77 | 84 | 61 | 25 |
| UV index | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 5 | 4 | 4 |
Best time to visit Hanalei
The best time to visit Hanalei is September. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Especially in September, the climate is favorable, with an average high temperature of 30°C and around 37 mm of rainfall. For a city trip, round trip, or active holiday, January are often more comfortable, as it is warm without the heat becoming too intense. The warmest month is September, with an average daytime temperature of around 30°C. The driest month is September, with about 37 mm of rainfall, while February is usually the wettest month of the year, with approximately 236 mm. Snow plays virtually no role in the climate here.
Average temperature per month
This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Hanalei. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.
Average rainfall per month
This chart shows the average monthly rainfall in Hanalei. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.
Average UV index per month
This chart shows the average monthly sun intensity in Hanalei. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.
Average annual temperature
This chart shows the average annual temperature in Hanalei based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.
Average annual rainfall
This chart shows the average annual rainfall in Hanalei over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.
Weather experiences in Hanalei
The weather in Hanalei is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Hanalei? Share your experience with the weather to help other visitors plan their trip.
Average weather per month
Click on a month below and discover what the weather in Hanalei is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.