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United StatesThe weather in December in Haleakala National Park
It's warm in December in Haleakala National Park with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 18°C and 22°C.
Looking for great weather? December is a good time to be in Haleakala National Park. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Haleakala National Park, Hawaii. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 33°C in 2023, Haleakala National Park reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 21°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 24°C.
Rainfall amount
In December, there is an average of 97 mm of precipitation, spread over 13 days. The wind speed is around 5 Bft, mostly coming from the Northeast.
Daily weather in December for Haleakala National Park
Click on any day in December to get detailed info about the usual weather on that day in Haleakala National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Haleakala National Park | New York | |
|---|---|---|
| Average temperature | 29°C | 9°C |
| Max. temperature | 30°C | 12°C |
| Min. temperature | 18°C | -5°C |
| Total precipitation | 97 mm | 133 mm |
| Rainy days | 13 days | 17 days |
Start of December
The month of December starts in Haleakala National Park with hot temps, averaging around 29°C during the day and nights around 20°C.
Mid December
By mid-December, daytime temps stay steady at around 29°C, with nights around 21°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in Haleakala National Park is around 29°C, while nighttime temps are about 20°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Haleakala National Park for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Haleakala National Park, Hawaii. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Haleakala National Park
Temperature in December in Haleakala National Park over the years
Precipitation charts
These charts show the average amount of precipitation in December 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.
Daily Precipitation in December in Haleakala National Park
Total precipitation in December in Haleakala National Park over the years
Daily UV index in December in Haleakala National Park
This chart shows the average daily UV index in December in Haleakala National Park, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December 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.