Haleakala Volcano – Weather Forecast
Category HCPaia, HI, US
This page shows a route-based weather forecast for the Haleakala Volcano cycling climb in Paia, HI, US. Unlike a simple location forecast, conditions are calculated at every point along the climb — from the base to the summit — using the actual route profile and elevation data.
You'll see hour-by-hour temperature, wind speed and direction, precipitation probability, and cloud cover adjusted for altitude. Choose your planned departure time to align the forecast with your ride.
Haleakala Volcano
Plan Your Ride
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Calculating weather along route...
Trip Summary
Forecast A
Trip Summary A
Forecast B
Trip Summary B
Weather Display Options
Forecast A - Route Map
Forecast B - Route Map
Compare Reversed Route
Same departure time & speed — opposite direction
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← Reversed Direction
Creates a new saved route in the reversed direction
Route Map
Elevation Profile
Temperature Along Route
Precipitation & Precipitation Probability Along Route
Wind Along Route
Humidity Along Route
Pollen Along Route
UV Index Along Route
Start place details
Weather Forecast
Hourly around Mon 31 Aug 01:01
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 20°C | 13°C | 28 | 9.7h | 23 | 170 mm | 75 % | 2 | 11h 2m |
| Feb | 20°C | 13°C | 28 | 10.5h | 20 | 51 mm | 73 % | 3 | 11h 28m |
| Mar | 21°C | 14°C | 30 | 10.2h | 23 | 239 mm | 70 % | 4 | 12h 2m |
| Apr | 21°C | 14°C | 29 | 10.5h | 26 | 514 mm | 68 % | 5 | 12h 38m |
| May | 22°C | 15°C | 31 | 11.7h | 31 | 467 mm | 65 % | 6 | 13h 8m |
| Jun | 23°C | 15°C | 28 | 11.3h | 26 | 221 mm | 67 % | 7 | 13h 22m |
| Jul | 24°C | 16°C | 31 | 12.2h | 27 | 307 mm | 66 % | 8 | 13h 14m |
| Aug | 24°C | 16°C | 31 | 12.0h | 23 | 156 mm | 68 % | 7 | 12h 48m |
| Sep | 24°C | 16°C | 30 | 10.8h | 26 | 231 mm | 70 % | 5 | 12h 14m |
| Oct | 23°C | 16°C | 30 | 10.0h | 26 | 288 mm | 72 % | 4 | 11h 39m |
| Nov | 21°C | 15°C | 28 | 9.0h | 23 | 490 mm | 76 % | 2 | 11h 8m |
| Dec | 21°C | 14°C | 29 | 9.3h | 24 | 153 mm | 77 % | 2 | 10h 53m |