Waipahu weather in August
In August, Waipahu sees average daytime highs of 83°F and overnight lows near 74°F, with 0.9 in of rain across 6.8 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 83°F through the month. The sky is clear or mostly clear about 36% of the time in August, and the air most often feels muggy.
Daylight stretches from about 13 hours at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Waipahu's 4th-clearest and 3rd-windiest month. For the whole year in context, see Waipahu's year-round climate.
- Daytime high
- 83°
- 1st warmest
- Overnight low
- 74°
- 12th coldest
- Rainfall
- 0.9 in
- 6.8 wet days
- Daylight
- 12 h 42 min
- 6:14 AM – 6:58 PM
- Cloud cover
- 49%
- 4th clearest
- Wind
- 12 mph
- 3rd windiest
- Solar energy
- 6.92 kWh/m²
- Travel score
- 6.3
- out of 10
Waipahu is census designated place in Honolulu County, Hawaii, United States.
- Density
- 5,327/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 83°F through the month.
A typical August day in Waipahu reaches about 83°F in the afternoon and slips back to 74°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 86°F. Set against its neighbours, August runs on par with July and on par with September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 |
| Avg low (°F) | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 83 | 74 |
| 2 | 83 | 74 |
| 3 | 83 | 74 |
| 4 | 83 | 74 |
| 5 | 83 | 74 |
| 6 | 83 | 74 |
| 7 | 83 | 74 |
| 8 | 83 | 74 |
| 9 | 83 | 74 |
| 10 | 83 | 74 |
| 11 | 83 | 74 |
| 12 | 83 | 74 |
| 13 | 83 | 74 |
| 14 | 83 | 74 |
| 15 | 83 | 74 |
| 16 | 83 | 74 |
| 17 | 83 | 74 |
| 18 | 83 | 74 |
| 19 | 83 | 74 |
| 20 | 83 | 74 |
| 21 | 83 | 74 |
| 22 | 83 | 74 |
| 23 | 83 | 74 |
| 24 | 83 | 74 |
| 25 | 83 | 74 |
| 26 | 83 | 74 |
| 27 | 83 | 74 |
| 28 | 83 | 74 |
| 29 | 83 | 74 |
| 30 | 83 | 74 |
| 31 | 83 | 74 |
Waipahu weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 76° / 67° | 1.6 | 7.3 | 10.8 | 7.6 |
| Feb | 76° / 67° | 1.5 | 7 | 11.3 | 7.5 |
| Mar | 76° / 68° | 2.1 | 8.9 | 11.8 | 7.2 |
| Apr | 78° / 69° | 1.0 | 8.4 | 12.5 | 7.0 |
| May | 80° / 70° | 1.1 | 8 | 13 | 7.0 |
| Jun | 82° / 72° | 0.9 | 7.3 | 13.3 | 6.9 |
| Jul | 82° / 73° | 0.8 | 7.8 | 13.2 | 6.6 |
| Aug | 83° / 74° | 0.9 | 6.8 | 12.7 | 6.3 |
| Sep | 83° / 74° | 0.8 | 7 | 12.1 | 6.3 |
| Oct | 82° / 73° | 1.3 | 7.2 | 11.5 | 6.7 |
| Nov | 79° / 71° | 1.8 | 7.7 | 11 | 7.0 |
| Dec | 77° / 69° | 1.9 | 7.2 | 10.7 | 7.4 |
Cloud cover in August
The sky is clear or mostly clear about 36% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 38% of August, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 72 | 72 | 72 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 76 | 76 | 77 | 77 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 |
| Cloudier (%) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 28 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 70 | 30 |
| 3 | 70 | 30 |
| 4 | 70 | 30 |
| 5 | 70 | 30 |
| 6 | 70 | 30 |
| 7 | 70 | 30 |
| 8 | 72 | 28 |
| 9 | 72 | 28 |
| 10 | 72 | 28 |
| 11 | 73 | 27 |
| 12 | 74 | 26 |
| 13 | 74 | 26 |
| 14 | 75 | 25 |
| 15 | 75 | 25 |
| 16 | 76 | 24 |
| 17 | 76 | 24 |
| 18 | 76 | 24 |
| 19 | 76 | 24 |
| 20 | 77 | 23 |
| 21 | 77 | 23 |
| 22 | 76 | 24 |
| 23 | 75 | 25 |
| 24 | 75 | 25 |
| 25 | 75 | 25 |
| 26 | 75 | 25 |
| 27 | 75 | 25 |
| 28 | 75 | 25 |
| 29 | 75 | 25 |
| 30 | 74 | 26 |
| 31 | 74 | 26 |
Chance of precipitation in August
Waipahu gets around 0.9 in of rain over 6.8 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 22% and peaks near 24% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Rain chance (%) | |
|---|---|
| 1 | 24 |
| 2 | 24 |
| 3 | 23 |
| 4 | 23 |
| 5 | 22 |
| 6 | 22 |
| 7 | 22 |
| 8 | 21 |
| 9 | 21 |
| 10 | 21 |
| 11 | 21 |
| 12 | 21 |
| 13 | 21 |
| 14 | 21 |
| 15 | 21 |
| 16 | 21 |
| 17 | 22 |
| 18 | 22 |
| 19 | 22 |
| 20 | 22 |
| 21 | 22 |
| 22 | 23 |
| 23 | 23 |
| 24 | 23 |
| 25 | 23 |
| 26 | 23 |
| 27 | 23 |
| 28 | 23 |
| 29 | 23 |
| 30 | 23 |
| 31 | 23 |
Humidity in August
Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the muggy band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
| Muggy (%) | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 76 |
| Oppressive (%) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 7 | 73 | 20 |
| 2 | 7 | 73 | 20 |
| 3 | 7 | 73 | 20 |
| 4 | 7 | 73 | 20 |
| 5 | 7 | 73 | 20 |
| 6 | 7 | 73 | 20 |
| 7 | 7 | 73 | 20 |
| 8 | 7 | 73 | 20 |
| 9 | 7 | 73 | 20 |
| 10 | 7 | 73 | 20 |
| 11 | 7 | 73 | 20 |
| 12 | 7 | 73 | 20 |
| 13 | 7 | 73 | 20 |
| 14 | 6 | 74 | 20 |
| 15 | 6 | 74 | 20 |
| 16 | 6 | 74 | 20 |
| 17 | 6 | 74 | 20 |
| 18 | 6 | 74 | 20 |
| 19 | 6 | 75 | 19 |
| 20 | 5 | 76 | 19 |
| 21 | 5 | 76 | 19 |
| 22 | 5 | 76 | 19 |
| 23 | 5 | 77 | 18 |
| 24 | 5 | 77 | 18 |
| 25 | 5 | 77 | 18 |
| 26 | 5 | 77 | 18 |
| 27 | 5 | 77 | 18 |
| 28 | 5 | 77 | 18 |
| 29 | 5 | 77 | 18 |
| 30 | 5 | 77 | 18 |
| 31 | 6 | 76 | 18 |
Wind in August
Winds average 12 mph in August.
Across August, daily wind ranges from about 11 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 12 | light breeze |
| 2 | 12 | light breeze |
| 3 | 12 | light breeze |
| 4 | 12 | light breeze |
| 5 | 12 | light breeze |
| 6 | 12 | light breeze |
| 7 | 12 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 11 | light breeze |
| 22 | 11 | light breeze |
| 23 | 11 | light breeze |
| 24 | 11 | light breeze |
| 25 | 11 | light breeze |
| 26 | 11 | light breeze |
| 27 | 11 | light breeze |
| 28 | 11 | light breeze |
| 29 | 11 | light breeze |
| 30 | 11 | light breeze |
| 31 | 11 | light breeze |
Sunrise & sunset in August
Daylight runs from about 13 hours at the start of August to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 30 minutes over August. Sunrise moves from 6:08 AM to 6:19 AM, and sunset from 7:08 PM to 6:46 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 |
| Sunrise (AM) | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:18 | 6:19 |
| Sunset (PM) | 7:08 | 7:07 | 7:07 | 7:06 | 7:06 | 7:05 | 7:04 | 7:04 | 7:03 | 7:03 | 7:02 | 7:01 | 7:00 | 7:00 | 6:59 | 6:58 | 6:58 | 6:57 | 6:56 | 6:55 | 6:54 | 6:54 | 6:53 | 6:52 | 6:51 | 6:50 | 6:49 | 6:48 | 6:47 | 6:47 | 6:46 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.0 | 6:08 | 7:08 |
| 2 | 13.0 | 6:09 | 7:07 |
| 3 | 13.0 | 6:09 | 7:07 |
| 4 | 12.9 | 6:10 | 7:06 |
| 5 | 12.9 | 6:10 | 7:06 |
| 6 | 12.9 | 6:10 | 7:05 |
| 7 | 12.9 | 6:11 | 7:04 |
| 8 | 12.9 | 6:11 | 7:04 |
| 9 | 12.9 | 6:11 | 7:03 |
| 10 | 12.8 | 6:12 | 7:03 |
| 11 | 12.8 | 6:12 | 7:02 |
| 12 | 12.8 | 6:13 | 7:01 |
| 13 | 12.8 | 6:13 | 7:00 |
| 14 | 12.8 | 6:13 | 7:00 |
| 15 | 12.8 | 6:14 | 6:59 |
| 16 | 12.7 | 6:14 | 6:58 |
| 17 | 12.7 | 6:14 | 6:58 |
| 18 | 12.7 | 6:15 | 6:57 |
| 19 | 12.7 | 6:15 | 6:56 |
| 20 | 12.7 | 6:15 | 6:55 |
| 21 | 12.6 | 6:16 | 6:54 |
| 22 | 12.6 | 6:16 | 6:54 |
| 23 | 12.6 | 6:16 | 6:53 |
| 24 | 12.6 | 6:17 | 6:52 |
| 25 | 12.6 | 6:17 | 6:51 |
| 26 | 12.6 | 6:17 | 6:50 |
| 27 | 12.5 | 6:17 | 6:49 |
| 28 | 12.5 | 6:18 | 6:48 |
| 29 | 12.5 | 6:18 | 6:47 |
| 30 | 12.5 | 6:18 | 6:47 |
| 31 | 12.5 | 6:19 | 6:46 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.92 kWh/m².
For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 7.21 kWh/m² in June across the year — August's 6.92 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.0 | Intense |
| 2 | 7.0 | Intense |
| 3 | 7.0 | Intense |
| 4 | 7.0 | Intense |
| 5 | 7.0 | Intense |
| 6 | 7.0 | Intense |
| 7 | 7.0 | Intense |
| 8 | 7.0 | Intense |
| 9 | 7.0 | Intense |
| 10 | 7.0 | Intense |
| 11 | 7.0 | Intense |
| 12 | 7.0 | Intense |
| 13 | 7.0 | Intense |
| 14 | 6.9 | Intense |
| 15 | 6.9 | Intense |
| 16 | 6.9 | Intense |
| 17 | 6.9 | Intense |
| 18 | 6.9 | Intense |
| 19 | 6.9 | Intense |
| 20 | 6.9 | Intense |
| 21 | 6.9 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.8 | Intense |
| 26 | 6.8 | Intense |
| 27 | 6.8 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.7 | Intense |
| 31 | 6.7 | Intense |
Hazard calendar for Waipahu
In August, Waipahu sits inside its pacific hurricane season. The full year is below, with each hazard's peak months called out.
Waipahu sits in the eastern Pacific hurricane zone; the season peaks August–September.
Is August a good time to visit Waipahu?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Waipahu for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Waipahu in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Waipahu sees daytime highs around 83°F and nights near 74°F. Pack light clothes and sun protection. About 7 days see rain.
Sea temperature near Waipahu in August
The nearest coast averages about 80°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in September at about 81°F and coldest in February near 76°F.
The water stays above 68°F all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 76 | 76 | 76 | 76 | 77 | 78 | 79 | 80 | 81 | 80 | 79 | 77 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 76 | Warm |
| Feb | 76 | Warm |
| Mar | 76 | Warm |
| Apr | 76 | Warm |
| May | 77 | Warm |
| Jun | 78 | Warm |
| Jul | 79 | Warm |
| Aug | 80 | Warm |
| Sep | 81 | Warm |
| Oct | 80 | Warm |
| Nov | 79 | Warm |
| Dec | 77 | Warm |
UV index in Waipahu in August
Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Waipahu peaks around July 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 10 | 11 | 10 | 11 | 12 | 12 | 12 | 9 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 11 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Where is Waipahu?
Waipahu sits at 21.4°N, 158.0°W, 62 ft above sea level, in United States. The nearest listed city is Pearl City, 2.5 mi away.
Topography around Waipahu
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Waipahu.
Within 2 miles, the terrain around Waipahu has only modest variations in elevation — a maximum elevation change of 463 ft around an average of 115 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,025 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,983 ft.
The land around Waipahu is covered by artificial surfaces (38%) and grassland (28%) within 2 miles, trees (36%), grassland (23%) and water (23%) within 10 miles, and water (87%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Waipahu (21.3867°, -158.0092°, elevation 62 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).