Climateby Month

Honolulu, HI weather in April

NOAA 1991-2020 normals and daily records · Honolulu all year

Expect warm, often humid weather with some rain in Honolulu in April, with highs near 83°F and lows near 70°F. Rain falls on about 8 days.

Normal high
83°F
Normal low
70°F
Wet days
8
0.8 in total
Muggy days
10
dew point 65°F+

How April changes from start to finish

Normal values at the start and end of April
April 1April 30
Normal high82°F84°F
Normal low69°F71°F
Chance of a wet day26%22%
Sunrise / sunset6:24 am / 6:46 pm6:01 am / 6:56 pm
Daylight12.4 h12.9 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 April day

  1. 6 am71°Fdew point 63°F
  2. 9 am77°Fdew point 64°F
  3. Noon81°Fdew point 64°F
  4. 3 pm81°Fdew point 63°F
  5. 6 pm77°Fdew point 64°F
  6. 9 pm74°Fdew point 64°F

NOAA hourly normals (local standard time) from Honolulu Intl Airport (5 mi away); average wind 11 mph; clear or few clouds in 37% of daytime hours, mostly cloudy or overcast in 26%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F1 of 30
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph13 of 30
  • Hot dayshigh 90°F or more0 of 30
  • Muggy daysdaily mean dew point 65°F or more10 of 30
  • Wet daysat least 0.01 in of rain or melted snow8 of 30
  • Notable rainat least 0.10 in2 of 30
  • Freezing nightslow 32°F or below0 of 30

Average days per April, counted from daily records for each year 1991-2020.

Rain in April

Normal precipitation is 0.8 in; a dry April brings about 0.3 in and a wet one about 0.9 in (25th and 75th percentiles). Days with half an inch or more are rare.

How April varies from year to year

  • Warmest April, 1991-20201996: average high 88°F
  • Coolest April2006: average high 81°F
  • Wettest April2017: 3.0 in
  • Driest April2002: 0.08 in
  • Highest reading91°F (April 28, 1996)
  • Lowest reading61°F (April 30, 2017)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

April compared with March and May

MarchAprilMay
Normal high81°F83°F85°F
Normal low68°F70°F72°F
Wet days986
Comfortable days410
Daylight12.0 h12.7 h13.2 h

Highs change by +2°F from March and +2°F into May.

Nearby alternatives in April

How Honolulu ranks in April

  • Normal high23rd warmest of 378 cities; 3rd of 7 in Hawaii
  • Wet days159th driest of 378
  • Comfortable days329th most of 340

What to pack for Honolulu in April

  • A swimsuit – about 13 beach days

Heating and cooling

April has 0 heating degree days and 348 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.

Questions

How hot is Honolulu in April?

The normal high is 83°F and the normal low is 70°F. From 1991 to 2020 the hottest April reading was 91°F (April 28, 1996).

Does it rain a lot in Honolulu in April?

About 8 days in April have at least 0.01 in of precipitation, and the normal total is 0.8 in. The wettest April in 1991-2020 was in 2017 (3.1 in); the driest was in 2002 (0.08 in).

Is April a good time to visit Honolulu?

April ranks 4th of 12 months on our comfort score for Honolulu (54 out of 100). It has about 1 comfortable day. The best months are February, March and June.

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Honolulu Intl Airport (USW00022521), 4.7 mi WNW of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Beretania Pump Stn 705 (USC00510211), 0.3 mi E of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Honolulu International Airport (911820-22521), 5.3 mi WNW of the city center, 6 ft . Hourly observations, 1991-2020.