What’s the climate like in 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.
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.
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.
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.
- Average yearly temperature: 30°C
- Highest temperature: 32°C in July, August and September
- Lowest temperature: 28°C in January, February and March
- Precipitation: 638 mm per year, averaging 53 mm per month
- Driest months: 12 mm in June, 13 mm in July and 24 mm in September
- Wettest months: 179 mm in March, 97 mm in December and 64 mm in January
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Table of Contents
Average Temperature per Month in Haleakala National Park
This graph shows the average maximum temperatures per month in Haleakala National Park, Hawaii. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Haleakala National Park
This graph shows how much rainfall Haleakala National Park, Hawaii, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.
Average UV Index per Month in Haleakala National Park
This graph 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.
Yearly Temperature in Haleakala National Park
This graph shows the average yearly temperature in Haleakala National Park, Hawaii. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Haleakala National Park
This chart shows the total yearly precipitation in Haleakala National Park, Hawaii, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.
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.
