Hilo
The tables below display average monthly climate and weather indicators in Hilo Hawaii.
Temperature by: Fahrenheit / Centigrade
| Hilo Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature | 22.1 | 22.1 | 22.2 | 22.6 | 23.3 | 24.0 | 24.3 | 24.6 | 24.6 | 24.3 | 23.4 | 22.4 | 23.3 |
| Avg. Max Temperature | 26.6 | 26.6 | 26.4 | 26.6 | 27.3 | 28.2 | 28.3 | 28.7 | 28.8 | 28.4 | 27.4 | 26.7 | 27.5 |
| Avg. Min Temperature | 17.6 | 17.6 | 18.0 | 18.6 | 19.2 | 19.8 | 20.3 | 20.5 | 20.3 | 20.1 | 19.3 | 18.2 | 19.1 |
| Days with Max Temp of 32 C or Higher | < 0.5 | < 0.5 | < 0.5 | 0.0 | < 0.5 | < 0.5 | 0.0 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | 0.0 |
| Days with Min Temp Below Freezing | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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| Hilo Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Cooling Degree Days | 208 | 188 | 217 | 231 | 276 | 306 | 335 | 350 | 336 | 332 | 276 | 229 | 3284 |
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| Hilo Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 9.9 | 10.3 | 13.9 | 15.3 | 9.9 | 6.2 | 9.7 | 9.3 | 8.5 | 9.6 | 14.5 | 12.0 | 129 |
| Days with Precipitation 0.01 inch or More | 17.0 | 17.0 | 23.0 | 25.0 | 25.0 | 25.0 | 28.0 | 26.0 | 24.0 | 24.0 | 23.0 | 21.0 | 278 |
| Monthly Snowfall (inches) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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| Other Hilo Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed | 7.4 | 7.7 | 7.7 | 7.5 | 7.4 | 7.1 | 6.9 | 6.8 | 6.8 | 6.7 | 6.8 | 7.2 | 7.2 |
| Clear Days | 6.0 | 5.0 | 3.0 | 1.0 | 1.0 | 2.0 | 1.0 | 2.0 | 3.0 | 3.0 | 3.0 | 5.0 | 36.0 |
| Partly Cloudy Days | 11.0 | 10.0 | 10.0 | 9.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 10.0 | 11.0 | 132 |
| Cloudy Days | 13.0 | 13.0 | 18.0 | 20.0 | 19.0 | 17.0 | 18.0 | 17.0 | 15.0 | 16.0 | 17.0 | 15.0 | 197 |
| Percent of Possible Sunshine | 46.0 | 46.0 | 42.0 | 37.0 | 37.0 | 44.0 | 41.0 | 42.0 | 43.0 | 39.0 | 33.0 | 37.0 | 41.0 |
| Avg. Relative Humidity | 64.0 | 72.0 | 73.0 | 74.0 | 74.5 | 73.5 | 73.5 | 74.5 | 74.5 | 74.0 | 75.5 | 76.0 | 74.5 |
Weather information for other cities in Hawaii