Haleiwa, HI weather in October
October in Haleiwa: warm and humid, with rain on most days. Highs 84°F, lows 69°F, rain on about 23 days. Keep rain gear handy.
- Normal high
- 84°F
- Normal low
- 69°F
- Wet days
- 23
- 4.4 in total
- Muggy days
- 27
- dew point 65°F+
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 86°F | 83°F |
| Normal low | 69°F | 68°F |
| Chance of a wet day | 71% | 77% |
| Sunrise / sunset | 6:23 am / 6:20 pm | 6:35 am / 5:56 pm |
| Daylight | 11.9 h | 11.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Hawaii time (no daylight saving)).
A typical October day
- 6 am75°Fdew point 68°F
- 9 am81°Fdew point 68°F
- Noon85°Fdew point 68°F
- 3 pm85°Fdew point 67°F
- 6 pm80°Fdew point 68°F
- 9 pm78°Fdew point 68°F
NOAA hourly normals (local standard time) from Honolulu Intl Airport (22 mi away); average wind 10 mph; clear or few clouds in 34% of daytime hours, mostly cloudy or overcast in 25%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph11 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more27 of 31
- Wet daysat least 0.01 in of rain or melted snow23 of 31
- Notable rainat least 0.10 in11 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain in October
Normal precipitation is 4.4 in; a dry October brings about 3.3 in and a wet one about 4.9 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How October varies from year to year
- Warmest October, 1991-20202020: average high 88°F
- Coolest October2011: average high 82°F
- Wettest October2001: 6.3 in
- Driest October1994: 2.0 in
- Highest reading92°F (October 2, 2020)
- Lowest reading58°F (October 9, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 86°F | 84°F | 81°F |
| Normal low | 70°F | 69°F | 67°F |
| Wet days | 21 | 23 | 24 |
| Comfortable days | 0 | 0 | 1 |
| Daylight | 12.3 h | 11.7 h | 11.1 h |
Highs change by -2°F from September and -3°F into November.
Nearby alternatives in October
- Drier: Honolulu, HI25 mi · high 87°F · 8 wet days
How Haleiwa ranks in October
- Normal high36th warmest of 378 cities; 4th of 7 in Hawaii
- Wet days375th driest of 378
- Comfortable days331st most of 340
What to pack for Haleiwa in October
- A rain jacket or umbrella – rain on about 23 days
- A swimsuit – about 11 beach days
Heating and cooling
October has 0 heating degree days and 357 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How hot is Haleiwa in October?
The normal high is 84°F and the normal low is 69°F. From 1991 to 2020 the hottest October reading was 92°F (most recently on October 2, 2020).
Does it rain a lot in Haleiwa in October?
About 23 days in October have at least 0.01 in of precipitation, and the normal total is 4.4 in. The wettest October in 1991-2020 was in 2001 (6.3 in); the driest was in 1994 (2.0 in).
Is October a good time to visit Haleiwa?
October ranks 11th of 12 months on our comfort score for Haleiwa (42 out of 100). It has almost no comfortable days and about 1 day at 90°F or hotter. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Waimea Valley 892.2 (USC00519603), 5.0 mi NE of the city center, 41 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Honolulu Intl Airport (USW00022521), 22 mi SSE of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Honolulu International Airport (911820-22521), 21 mi SSE of the city center, 6 ft . Hourly observations, 1991-2020.