Best time to visit Haleakala National Park
April, August and September are the best balance at Haleakala: mild and dry for the park (average highs 61° to 66°F), with crowds from busy to very busy. May is busiest, with about 74,000 visitors. August is the quietest.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Haleakala RS 338, HI USC00511004
- Lat / lon
- 20.76, -156.25
- Elevation
- 6,962 ft
- From park center
- 8.5 mi
- Second station
- Ohe'o 258.6, HI 86 ft
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Aprbest | May | Jun | Jul | Augbest | Sepbest | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 61° | 60° | 60° | 61° | 63° | 66° | 66° | 66° | 65° | 64° | 63° | 61° | 63° |
| Low, °F | 44° | 43° | 43° | 44° | 46° | 48° | 49° | 49° | 48° | 48° | 47° | 45° | 46° |
| High at 86 ft, °F | 79° | 79° | 79° | 79° | 80° | 81° | 82° | 83° | 83° | 83° | 82° | 80° | 81° |
| Precipitation, in | 5.1 | 4.1 | 5.7 | 2.8 | 2.4 | 1.6 | 2.7 | 2.2 | 2.5 | 3.3 | 4.6 | 5.3 | 42.3 |
| Snow, in | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Daylight, h:mm | 11:00 | 11:26 | 11:58 | 12:36 | 13:06 | 13:23 | 13:16 | 12:50 | 12:14 | 11:38 | 11:08 | 10:53 | |
| Visitors, thousands | 65 | 61 | 74 | 69 | 74 | 73 | 72 | 55 | 58 | 61 | 60 | 70 | 792 |
| Crowds | Very busy | Very busy | Very busy | Very busy | Very busy | Very busy | Very busy | Busy | Busy | Very busy | Very busy | Very busy | |
| Weather | Mild, wet | Mild, wet | Mild, wet | Mild | Mild | Mild | Mild | Mild | Mild | Mild, wet | Mild, wet | Mild, wet |
| Month | High °F | Low °F | High at 86 ft | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|---|
| January | 61° | 44° | 79° | 5.1 | 0 | 11:00 | 65,000 | Very busy | Mild, wet |
| February | 60° | 43° | 79° | 4.1 | 0 | 11:26 | 61,000 | Very busy | Mild, wet |
| March | 60° | 43° | 79° | 5.7 | 0 | 11:58 | 74,000 | Very busy | Mild, wet |
| Aprilbest | 61° | 44° | 79° | 2.8 | 0 | 12:36 | 69,000 | Very busy | Mild |
| May | 63° | 46° | 80° | 2.4 | 0 | 13:06 | 74,000 | Very busy | Mild |
| June | 66° | 48° | 81° | 1.6 | 0 | 13:23 | 73,000 | Very busy | Mild |
| July | 66° | 49° | 82° | 2.7 | 0 | 13:16 | 72,000 | Very busy | Mild |
| Augustbest | 66° | 49° | 83° | 2.2 | 0 | 12:50 | 55,000 | Busy | Mild |
| Septemberbest | 65° | 48° | 83° | 2.5 | 0 | 12:14 | 58,000 | Busy | Mild |
| October | 64° | 48° | 83° | 3.3 | 0 | 11:38 | 61,000 | Very busy | Mild, wet |
| November | 63° | 47° | 82° | 4.6 | 0 | 11:08 | 60,000 | Very busy | Mild, wet |
| December | 61° | 45° | 80° | 5.3 | 0 | 10:53 | 70,000 | Very busy | Mild, wet |
| Year | 63° | 46° | 81° | 42.3 | 0 | 792,000 | |||
Year: average high and low, total precipitation and snowfall, total visitors. T = trace (under 0.05 in). – = not measured at this station. Updated .
- Hottest August, average high 66°F
- Coldest nights February, average low 43°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 792,000 (2023–2025 average)
- State Hawaii
Elevation matters here: the record's second station, Ohe'o 258.6, HI, sits at 86 ft, against 6,962 ft for Haleakala RS 338, HI. Expect conditions between the two depending on where you go.
Closures, reservations and alerts: Haleakala National Park on nps.gov
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