Lihue, HI weather in August
Lihue is warm and oppressively humid in August, with rain on most days: highs average 85°F and nights drop to about 75°F. Expect about 18 wet days. Keep rain gear handy.
- Normal high
- 85°F
- Normal low
- 75°F
- Wet days
- 18
- 2.3 in total
- Muggy days
- 31
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 85°F | 85°F |
| Normal low | 75°F | 75°F |
| Chance of a wet day | 60% | 57% |
| Sunrise / sunset | 6:09 am / 7:17 pm | 6:20 am / 6:55 pm |
| Daylight | 13.1 h | 12.6 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 August day
- 6 am76°Fdew point 70°F
- 9 am80°Fdew point 71°F
- Noon83°Fdew point 71°F
- 3 pm83°Fdew point 71°F
- 6 pm80°Fdew point 70°F
- 9 pm78°Fdew point 70°F
NOAA hourly normals (local standard time) from Lihue WSO Airport 1020.1 (2 mi away); average wind 14 mph; clear or few clouds in 43% of daytime hours, mostly cloudy or overcast in 30%.
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 mph13 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more31 of 31
- Wet daysat least 0.01 in of rain or melted snow18 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 2.3 in; a dry August brings about 1.0 in and a wet one about 2.9 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How August varies from year to year
- Warmest August, 1991-20202019: average high 89°F
- Coolest August1998: average high 82°F
- Wettest August2015: 9.9 in
- Driest August2007: 0.4 in
- Highest reading91°F (August 31, 2019)
- Lowest reading68°F (August 28, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 85°F | 85°F | 85°F |
| Normal low | 75°F | 75°F | 75°F |
| Wet days | 19 | 18 | 16 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 13.3 h | 12.9 h | 12.3 h |
Highs change by 0°F from July and 0°F into September.
Nearby alternatives in August
- Drier: Honolulu, HI107 mi · high 89°F · 6 wet days
How Lihue ranks in August
- Normal high203rd warmest of 378 cities; 5th of 7 in Hawaii
- Wet days369th driest of 378
- Comfortable days303rd most of 341
What to pack for Lihue in August
- Light, breathable clothing – highs near 85°F and about 31 muggy days
- A rain jacket or umbrella – rain on about 18 days
- A swimsuit – about 13 beach days
Heating and cooling
August has 0 heating degree days and 471 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.
Questions
How hot is Lihue in August?
The normal high is 85°F and the normal low is 75°F. From 1991 to 2020 the hottest August reading was 91°F (most recently on August 31, 2019).
Does it rain a lot in Lihue in August?
About 18 days in August have at least 0.01 in of precipitation, and the normal total is 2.3 in. The wettest August in 1991-2020 was in 2015 (9.9 in); the driest was in 2007 (0.4 in).
Is August a good time to visit Lihue?
August ranks 8th of 12 months on our comfort score for Lihue (50 out of 100). It has almost no comfortable days. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Lihue WSO Airport 1020.1 (USW00022536), 1.7 mi ENE of the city center, 100 ft (107 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Koloko Rsvr 1137 (USC00514758), 15 mi N of the city center, 490 ft (283 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Lihue Airport (911650-22536), 1.7 mi ENE of the city center, 105 ft (102 ft lower than the city). Hourly observations, 1991-2020.