Best Time to Visit Haleakala National Park
Planning a trip to Haleakala National Park in Hawaii? This data-driven guide breaks down every month of the year so you can pick the perfect time to visit. With 33,265 acres, 30 trails, and 1.28 million annual visitors, timing your trip right can mean the difference between fighting crowds and having trails to yourself.
Best Months to Visit Haleakala National Park
Based on historical weather data, April and May and June and September and October and November deliver the best visiting conditions at Haleakala National Park. These months combine comfortable temperatures, low precipitation, and the best trail accessibility. Plan your trip during these months for the best chance of clear skies and ideal hiking conditions.
Month-by-Month Breakdown
| Month | High (°F) | Low (°F) | Precip (in) | Rainy Days | Sunny Days | Crowds | Verdict |
|---|---|---|---|---|---|---|---|
| January | 62° | 44° | 3.8" | 10 | 15 | Low | Good |
| February | 62° | 43° | 3.2" | 9 | 14 | Low | Good |
| March | 63° | 44° | 4" | 12 | 13 | Moderate | Off-Season |
| April | 64° | 45° | 3.2" | 11 | 13 | Moderate to High | Peak |
| May | 66° | 47° | 1.5" | 7 | 18 | Moderate to High | Peak |
| June | 69° | 50° | 0.6" | 4 | 22 | Very High | Peak |
| July | 70° | 51° | 0.8" | 5 | 21 | High | Great |
| August | 71° | 52° | 0.8" | 5 | 21 | High | Great |
| September | 71° | 51° | 0.7" | 5 | 21 | Moderate to High | Peak |
| October | 69° | 49° | 1.8" | 8 | 17 | Moderate to High | Peak |
| November | 66° | 47° | 3" | 10 | 14 | Low | Peak |
| December | 63° | 45° | 3.8" | 11 | 14 | Low | Good |
January
GoodJanuary is a viable time to visit Haleakala National Park though you may encounter some weather challenges. Temperatures range from 44°F to 62°F with about 10 rainy days and 3.8 inches of precipitation. Some trails or roads may have seasonal limitations, so check conditions before your trip.
Off-season with minimal crowds. Some facilities may be closed but solitude is plentiful.
February
GoodFebruary is a viable time to visit Haleakala National Park though you may encounter some weather challenges. Temperatures range from 43°F to 62°F with about 9 rainy days and 3.2 inches of precipitation. Some trails or roads may have seasonal limitations, so check conditions before your trip.
Off-season with minimal crowds. Some facilities may be closed but solitude is plentiful.
March
Off-SeasonMarch brings challenging conditions to Haleakala National Park with temperatures ranging from 44°F to 63°F and 4 inches of precipitation. Heavy precipitation can cause trail closures and hazardous conditions. Visit only if you are well-prepared for the conditions.
Shoulder season with fewer visitors. A good balance of pleasant weather and lighter crowds.
April
PeakApril is one of the best months to visit Haleakala National Park with average highs of 64°F and only 3.2 inches of precipitation. Expect 13 sunny days and temperatures ranging from 45°F to 64°F. Trail conditions are typically excellent, making this an ideal time for hiking, sightseeing, and experiencing the park at its finest.
Popular shoulder-season month. Trails are busy on weekends but manageable on weekdays.
May
PeakMay is one of the best months to visit Haleakala National Park with average highs of 66°F and only 1.5 inches of precipitation. Expect 18 sunny days and temperatures ranging from 47°F to 66°F. Trail conditions are typically excellent, making this an ideal time for hiking, sightseeing, and experiencing the park at its finest.
Popular shoulder-season month. Trails are busy on weekends but manageable on weekdays.
June
PeakJune is one of the best months to visit Haleakala National Park with average highs of 69°F and only 0.6 inches of precipitation. Expect 22 sunny days and temperatures ranging from 50°F to 69°F. Trail conditions are typically excellent, making this an ideal time for hiking, sightseeing, and experiencing the park at its finest.
Peak season with large crowds, long waits, and full campgrounds. Book well in advance.
July
GreatJuly offers pleasant conditions at Haleakala National Park with comfortable temperatures between 51°F and 70°F. With 21 sunny days and only 0.8 inches of precipitation, you will enjoy good trail conditions and often lighter crowds than the peak months.
Summer brings families and vacationers. Expect busy trails and limited parking.
August
GreatAugust offers pleasant conditions at Haleakala National Park with comfortable temperatures between 52°F and 71°F. With 21 sunny days and only 0.8 inches of precipitation, you will enjoy good trail conditions and often lighter crowds than the peak months.
Summer brings families and vacationers. Expect busy trails and limited parking.
September
PeakSeptember is one of the best months to visit Haleakala National Park with average highs of 71°F and only 0.7 inches of precipitation. Expect 21 sunny days and temperatures ranging from 51°F to 71°F. Trail conditions are typically excellent, making this an ideal time for hiking, sightseeing, and experiencing the park at its finest.
Popular shoulder-season month. Trails are busy on weekends but manageable on weekdays.
October
PeakOctober is one of the best months to visit Haleakala National Park with average highs of 69°F and only 1.8 inches of precipitation. Expect 17 sunny days and temperatures ranging from 49°F to 69°F. Trail conditions are typically excellent, making this an ideal time for hiking, sightseeing, and experiencing the park at its finest.
Popular shoulder-season month. Trails are busy on weekends but manageable on weekdays.
November
PeakNovember is one of the best months to visit Haleakala National Park with average highs of 66°F and only 3 inches of precipitation. Expect 14 sunny days and temperatures ranging from 47°F to 66°F. Trail conditions are typically excellent, making this an ideal time for hiking, sightseeing, and experiencing the park at its finest.
Off-season with minimal crowds. Some facilities may be closed but solitude is plentiful.
December
GoodDecember is a viable time to visit Haleakala National Park though you may encounter some weather challenges. Temperatures range from 45°F to 63°F with about 11 rainy days and 3.8 inches of precipitation. Some trails or roads may have seasonal limitations, so check conditions before your trip.
Off-season with minimal crowds. Some facilities may be closed but solitude is plentiful.
When to Avoid
Peak Holiday Weekends
Memorial Day weekend, July 4th, and Labor Day weekend bring the largest crowds of the year to Haleakala National Park. Expect full parking lots by mid-morning, overcrowded trailheads, and fully booked campgrounds. If you must visit during these weekends, arrive before 8 AM, have backup trail options ready, and book campgrounds or lodging at least 6 months in advance.
Money-Saving Tips
Visit in Shoulder Season (Spring or Fall)
Spring and fall offer pleasant weather at most national parks with significantly lower lodging costs compared to peak summer months. Hotels and vacation rentals near Haleakala National Parkcan be 30–50% cheaper in April, May, September, and October compared to June through August.
Buy the America the Beautiful Pass
The America the Beautiful Annual Pass costs $80 and grants unlimited access to all 400+ national parks, forests, and federal recreation areas for a full year. With Haleakala National Park's entrance fee at $30 per vehicle, the pass pays for itself in just a few visits. It covers all passengers in a single vehicle.
Camp Instead of Staying at Hotels
Campgrounds inside or near Haleakala National Parktypically cost $15–35 per night compared to $150+ for nearby hotels. The park offers in-park camping options. Book campgrounds through Recreation.gov as soon as reservations open (typically 6 months in advance) since popular sites fill quickly, especially for summer dates.
Visit on Free Entrance Days
The National Park Service offers 5–6 free entrance days each year, including Martin Luther King Jr. Day, the first day of National Park Week (April), the anniversary of the Great American Outdoors Act (August), National Public Lands Day (September), and Veterans Day (November). Mark these dates on your calendar to save on entrance fees.
Frequently Asked Questions
What is the best month to visit Haleakala National Park?
The best months to visit Haleakala National Park are April, May, June, September, October, November. These months offer the most pleasant weather conditions, the best trail accessibility, and ideal temperatures for outdoor activities. June typically provides the best overall weather with 22 sunny days.
When is Haleakala National Park least crowded?
Haleakala National Park tends to be least crowded during January and February (winter quiet season) and early March (before spring break). Avoid holiday weekends such as Memorial Day, July 4th, and Labor Day for shorter trail waits and better campsite availability. Visiting on weekdays during any season will also reduce your exposure to crowds.
What is the weather like at Haleakala National Park?
Weather at Haleakala National Park varies significantly by season. Summer highs average 70°F while winter highs average 62°F. The driest months are typically June and the wettest is March. Always check current conditions before visiting as mountain weather can change rapidly.
Is Haleakala National Park open year-round?
Haleakala National Park is open year-round, though some roads and facilities may close seasonally due to weather conditions. Winter months may bring road closures, limited facilities, and trail restrictions. Always check the official NPS website for current operating status and road conditions before planning your visit.
Continue Planning Your Trip
Haleakala National Park Guide
Trails, highlights, visitor tips, and everything you need to know.
Weather & Climate
Full 12-month weather data, charts, and packing recommendations.
Hotels Near Haleakala National Park
Nearby lodging from campgrounds and cabins to lodges and hotels.