Frost Dates for Mauna Loa 5 Nne, HI
Elevation: 3407 m
Frost Dates
Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide.
April 12
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
December 1
30% Probability
Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost
April 27
First Fall Frost
November 21
Hard Freeze (28°F)
Last Spring Hard Freeze
February 13
First Fall Hard Freeze
January 22
Growing Season
233 Days
April 12 to December 1
USDA Hardiness Zone
Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.Zone 9b
Avg. annual minimum: 25 to 30°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
ET
Tundra
No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.
Temperature
30°
40°
50°
60°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 51° | 43° | 35° |
| February | 50° | 42° | 34° |
| March | 51° | 43° | 35° |
| April | 53° | 45° | 37° |
| May | 56° | 47° | 39° |
| June | 58° | 49° | 41° |
| July | 58° | 49° | 41° |
| August | 57° | 49° | 41° |
| September | 57° | 49° | 41° |
| October | 56° | 48° | 40° |
| November | 52° | 45° | 37° |
| December | 51° | 43° | 36° |
Precipitation
0"
2"
4"
5.8"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 2.0 |
| February | 3.0 |
| March | 3.9 |
| April | 3.4 |
| May | 2.2 |
| June | 0.0 |
| July | 2.6 |
| August | 5.8 |
| September | 3.9 |
| October | 2.6 |
| November | 2.6 |
| December | 3.2 |
Sunrise / Sunset
Daylight
Longest: 13h 11m · Shortest: 10h 49m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:32 AM | 5:28 PM | 10h 56m |
| February | 6:19 AM | 5:41 PM | 11h 22m |
| March | 6:04 AM | 5:56 PM | 11h 52m |
| April | 5:47 AM | 6:13 PM | 12h 27m |
| May | 5:32 AM | 6:28 PM | 12h 55m |
| June | 5:25 AM | 6:35 PM | 13h 10m |
| July | 5:28 AM | 6:32 PM | 13h 04m |
| August | 5:40 AM | 6:20 PM | 12h 40m |
| September | 5:57 AM | 6:03 PM | 12h 06m |
| October | 6:14 AM | 5:46 PM | 11h 32m |
| November | 6:28 AM | 5:32 PM | 11h 03m |
| December | 6:35 AM | 5:25 PM | 10h 50m |
Nearby Stations
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