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United StatesThe climate of Haleakala National Park
The current climate in Haleakala National Park features temperatures ranging from a high of 32°C to a low of 28°C throughout the year. The average yearly temperature is around 30°C. At night, temperatures in the colder months average around 18°C and in the warmer months around 23°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Haleakala National Park, Hawaii.
Temperature records
The highest temperature recorded in Haleakala National Park in recent years was 37°C in July 2019. The lowest daytime temperature recorded was 20°C in March 2015.
Rainfall amount
On average, Haleakala National Park receives 638 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit Haleakala National Park?
The best time to visit Haleakala National Park for sunny weather is January, February and April through December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Haleakala National Park. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Haleakala National Park
The climate table of Haleakala National Park shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 28 | 28 | 28 | 29 | 30 | 31 | 32 | 32 | 32 | 31 | 30 | 29 |
| Temp. min (°C) | 19 | 19 | 19 | 21 | 21 | 22 | 23 | 24 | 24 | 22 | 21 | 20 |
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| Precipitation (mm) | 64 | 61 | 179 | 62 | 30 | 12 | 13 | 29 | 24 | 32 | 35 | 97 |
| UV Index | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 7 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Haleakala National Park, Hawaii. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Haleakala National Park
Yearly Temperature in Haleakala National Park
Precipitation charts
These charts show the average amount of precipitation in Haleakala National Park, Hawaii. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Haleakala National Park
Total Yearly Precipitation in Haleakala National Park
UV index chart
This chart shows the average UV index per month in Haleakala National Park, Hawaii. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Haleakala National Park
Weather experiences in Haleakala National Park
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Average weather in Haleakala National Park by month
Click on a month below to see detailed weather info for Haleakala National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.