Fern Forest, HI Weather
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The average temperature of Fern Forest is 69.18°F, which is lower than the Hawaii average temperature of 72.95°F and is much higher than the national average temperature of 54.45°F.
Historical Weather
Heating Cost Index, #1
| Fern Forest, HI | 0.00 |
| Hawaii | 0.00 |
| U.S. | 212.91 |
Cooling Cost Index, #14
| Fern Forest, HI | 25.04 |
| Hawaii | 192.75 |
| U.S. | 139.42 |
The Heating Cost Index and the Cooling Cost Index are indicators of the relative heating and cooling cost of an area. They were calculated based on the average temperate and duration of the hot and cold days for the area. Please note, the actual heating cost and cooling cost are also dependent on other factors specific to individual residences such as the size of the house, the insulation condition, and the equipment efficiency, etc.
Average Temperature
Annual Average Temperature, #175 | Fern Forest, HI | 69.2 °F |
| Hawaii | 73.0 °F |
| U.S. | 54.5 °F |
Ranks: Average Max. Temperature:
#171, Average Min. Temperature:
#178 Precipitation
Average Annual Precipitation, #1 | Fern Forest, HI | 201.80 inches |
| Hawaii | 50.33 inches |
| U.S. | 38.67 inches |
Average Number of Days with 0.1 Inch or More Precipitation in a Year (this gives an indication of the number of days in a year that it is useful to have an umbrella), #17 | Fern Forest, HI | 127.84 days |
| Hawaii | 54.96 days |
| U.S. | 66.51 days |
Snow
Average Annual Snowfall, #1 | Fern Forest, HI | 0.00 inches |
| Hawaii | 0.00 inches |
| U.S. | 23.27 inches |
Average Number of Days with 1 Inch or More Snow Depth in a Year, #1 | Fern Forest, HI | 0.00 days |
| Hawaii | 0.00 days |
| U.S. | 27.17 days |
Humidity
Annual Average Humidity, #38 | Fern Forest, HI | 79.12% |
| Hawaii | 74.64% |
| U.S. | 77.52% |
Wind Speed
Annual Average Wind Speed, #89 | Fern Forest, HI | 15.23 mph |
| Hawaii | 14.03 mph |
| U.S. | 16.93 mph |
* The temperature, snow fall, and precipitation information on this page were calculated from the historical data of 18,000+ U.S weather stations for the period of time from 1980 to 2010. The humidity and wind speed information were calculated from data from 15,000 worldwide stations for the period of time from 1980 to 2010.
