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Waipahu, United States Snapshot 2026
Where is Waipahu?
Waipahu, United States
- Continent
- Americas
- Country
- United States
- City
- Waipahu
- Population
- 38.2K
- Elevation
- 19 m
- Coordinates
- 21.39°, -158.01°
Waipahu is a city in United States with a population of approximately 38.2K. Average temperatures range from 22°C (71°F) in February to 30°C (85°F) in September. The best time to visit is January, February, March, November, December.
Time in Waipahu right now
Open full time & time zone page 09:24 24
Monday, June 15, 2026
IANA time zone
Pacific/Honolulu
Daylight saving
No DST
Next DST change
—
Live weather in Waipahu
Daylight in Waipahu today
View full sunrise & sunset page Sunrise
Sunset
Day length
13h 26m
Climate normals for Waipahu
Long-term monthly averages based on historical data.
January best
Excellent 
February best
Excellent March best
Excellent April
Good May
Excellent June
Good July
Good August
Good September
Good October
Good November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 26°C / 22°C | 28°C / 23°C | 7days (31 mm) Good | 9.8h Good | 74% Muggy | 5.9 High | Excellent | View Details |
| February best | 25°C / 22°C | 27°C / 22°C | 9days (49 mm) Wet | 10h Excellent | 72% Muggy | 6.8 High | Excellent | View Details |
| March best | 26°C / 22°C | 28°C / 23°C | 11days (49 mm) Wet | 10.6h Excellent | 73% Muggy | 7.8 Very High | Excellent | View Details |
| April | 27°C / 22°C | 29°C / 24°C | 12days (44 mm) Wet | 11.3h Excellent | 73% Muggy | 8.2 Very High | Good | View Details |
| May | 28°C / 23°C | 30°C / 25°C | 9days (39 mm) Wet | 12h Excellent | 72% Muggy | 8.4 Very High | Excellent | View Details |
| June | 28°C / 24°C | 31°C / 26°C | 7days (32 mm) Good | 12.4h Excellent | 71% Muggy | 8.8 Very High | Good | View Details |
| July | 29°C / 25°C | 32°C / 27°C | 7days (21 mm) Good | 12.3h Excellent | 72% Muggy | 8.9 Very High | Good | View Details |
| August | 29°C / 25°C | 33°C / 27°C | 7days (22 mm) Good | 11.8h Excellent | 72% Muggy | 8.8 Very High | Good | View Details |
| September | 30°C / 25°C | 33°C / 28°C | 5days (17 mm) Good | 11.2h Excellent | 72% Muggy | 8.3 Very High | Good | View Details |
| October | 29°C / 25°C | 32°C / 27°C | 8days (37 mm) Wet | 10.6h Excellent | 73% Muggy | 7.3 Very High | Good | View Details |
| November best | 28°C / 24°C | 30°C / 26°C | 6days (23 mm) Good | 10.1h Excellent | 73% Muggy | 6.1 High | Excellent | View Details |
| December best | 26°C / 23°C | 28°C / 24°C | 8days (60 mm) Wet | 9.3h Good | 75% Muggy | 5.5 High | Excellent | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 26°C / 22°C . Feb: 25°C / 22°C . Mar: 26°C / 22°C . Apr: 27°C / 22°C . May: 28°C / 23°C . Jun: 28°C / 24°C . Jul: 29°C / 25°C . Aug: 29°C / 25°C . Sep: 30°C / 25°C . Oct: 29°C / 25°C . Nov: 28°C / 24°C . Dec: 26°C / 23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 31 mm. Feb: 49 mm. Mar: 49 mm. Apr: 44 mm. May: 39 mm. Jun: 32 mm. Jul: 21 mm. Aug: 22 mm. Sep: 17 mm. Oct: 37 mm. Nov: 23 mm. Dec: 60 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 72%. Mar: 73%. Apr: 73%. May: 72%. Jun: 71%. Jul: 72%. Aug: 72%. Sep: 72%. Oct: 73%. Nov: 73%. Dec: 75%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 22 km/h . Mar: 21 km/h . Apr: 22 km/h . May: 21 km/h . Jun: 22 km/h . Jul: 24 km/h . Aug: 23 km/h . Sep: 21 km/h . Oct: 20 km/h . Nov: 22 km/h . Dec: 21 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 25°C . Feb: 24°C . Mar: 25°C . Apr: 26°C . May: 26°C . Jun: 27°C . Jul: 27°C . Aug: 27°C . Sep: 28°C . Oct: 27°C . Nov: 26°C . Dec: 25°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 6. Feb: UV 7. Mar: UV 8. Apr: UV 8. May: UV 8. Jun: UV 9. Jul: UV 9. Aug: UV 9. Sep: UV 8. Oct: UV 7. Nov: UV 6. Dec: UV 6.
Frequently Asked Questions
Waipahu has a population of approximately 38.2K.
The best months to visit Waipahu are January, February, March, November, December, when temperatures are pleasant and rainfall is lower.
Waipahu receives approximately 424mm of rainfall annually across 96 rainy days.
Waipahu is located in United States, in the Americas region.
Waipahu sits at an elevation of 19 m (62 ft) above sea level.