Kailua-Kona, HI weather in May
Expect warm weather with some rain in Kailua-Kona in May, with highs near 84°F and lows near 73°F. Rain falls on about 6 days.
- Normal high
- 84°F
- Normal low
- 73°F
- Wet days
- 6
- 1.4 in total
- Daylight
- 13.1 h
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 83°F | 85°F |
| Normal low | 72°F | 74°F |
| Chance of a wet day | 18% | 19% |
| Sunrise / sunset | 5:55 am / 6:46 pm | 5:44 am / 6:58 pm |
| Daylight | 12.9 h | 13.2 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)).
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)1 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain (temperature and rain only)26 of 31
- Hot dayshigh 90°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow6 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 1.4 in; a dry May brings about 0.3 in and a wet one about 2.0 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How May varies from year to year
- Warmest May, 1991-20202002: average high 85°F
- Coolest May1998: average high 82°F
- Wettest May2011: 4.9 in
- Driest May1996: 0.01 in
- Highest reading93°F (May 14, 2002)
- Lowest reading65°F (May 6, 2019)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 83°F | 84°F | 85°F |
| Normal low | 71°F | 73°F | 74°F |
| Wet days | 4 | 6 | 6 |
| Comfortable days | 2 | 1 | 0 |
| Daylight | 12.6 h | 13.1 h | 13.3 h |
Highs change by +1°F from April and +1°F into June.
How Kailua-Kona ranks in May
- Normal high81st warmest of 378 cities; 3rd of 7 in Hawaii
- Wet days95th driest of 378
What to pack for Kailua-Kona in May
- A swimsuit – about 26 beach days
Heating and cooling
May has 0 heating degree days and 412 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How hot is Kailua-Kona in May?
The normal high is 84°F and the normal low is 73°F. From 1991 to 2020 the hottest May reading was 93°F (May 14, 2002).
Does it rain a lot in Kailua-Kona in May?
About 6 days in May have at least 0.01 in of precipitation, and the normal total is 1.4 in. The wettest May in 1991-2020 was in 2011 (4.9 in); the driest was in 1996 (0.01 in).
Is May a good time to visit Kailua-Kona?
May ranks 5th of 12 months on our comfort score for Kailua-Kona (54 out of 100). It has about 1 comfortable day (judged by temperature only). The best months are January, February and March.
Where the numbers come from
- Temperature and frost dates: Kailua Kona Ke-Ahole Airport (USW00021510), 7.7 mi NNW of the city center, 43 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Honokohau Harbor 68.14 (USC00511880), 3.4 mi NW of the city center, 30 ft . NOAA normals and daily records, 1991-2020.
- Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).