2019-2020 Long Range Weather Forecast for Kahului, HI
See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.
To see long term forecasts for the entire year, pick up a copy of The 2020 Old Farmer’s Almanac, available online and in stores.
Note: Long range forecasts are regional, not city-specific.
Free 2-Month Weather Forecast
| Dates | Weather Conditions |
|---|---|
| Dec 1-11 | A few showers, warm |
| Dec 12-19 | Daily showers, warm |
| Dec 20-26 | Sunny, cool |
| Dec 27-31 | A few showers, warm |
| December | temperature 76° (1° above avg.) precipitation 5.3" (10" above avg. East, 6" below West) |
| Dates | Weather Conditions |
|---|---|
| Jan 1-7 | Showers, cool |
| Jan 8-16 | Sunny, cool |
| Jan 17-22 | A few showers, cool |
| Jan 23-26 | Showers and heavy t-storms |
| Jan 27-31 | Sunny, cool |
| January | temperature 72° (1° below avg.) precipitation 7" (1" below avg. East, 10" above West) |
Annual Weather Summary
November 2019 to October 2020
November 2019 to October 2020
Winter temperatures will be near or slightly below normal, on average, with the coolest periods in late January and mid-February. Rainfall will be above normal in the east and below normal in the west, with the stormiest periods in mid-December, mid- to late January, and early and mid- to late March. April and May will be slightly cooler and drier than normal. Summer will be cooler and drier than normal, on average, with the warmest period in mid-July. September and October will be cooler and drier than normal, with the rainiest periods in mid- and late October.
About the Hawaii Region
The Hawaii long range weather region includes all or part of the following states: HAWAII (Hilo, Honolulu, Kahului, Pearl City, Waipahu).
Hawaii Neighboring Regions
Here are the regions that neighbor the Hawaii long range weather region:
Temperature and Precipitation November 2019 to October 2020
Reader Comments
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Hawaii’s volcanoes and earthquakes
Do you have any foresight on the current volcanic eruptions and earthquakes on the big island going forward?
earthquakes
On the Right-Hand Calendar Pages of the print or digital edition, we note the days on which the Moon rides high or low (in the sky). Traditionally, the date of the high begins the most likely 5-day period of earthquakes in the Northern Hemisphere; the date of the low indicates a similar 5-day period in the Southern Hemisphere. Also noted are two days each month when the Moon is on the celestial equator, indicating the most likely time for earthquakes in either hemisphere. This month, May, the Moon rides high on May 18 (low on the 4th). The Moon is on the celestial equator on May 12 and May 24. All of this is based on the idea of the Moon’s “pull” on Earth.
Please note that the volcano introduces special circumstances/conditions.