Climateby Month

Honolulu, HI weather in March

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

Honolulu is warm in March, with some rain: highs average 81°F and nights drop to about 68°F. There are about 9 days with rain.

Normal high
81°F
Normal low
68°F
Wet days
9
2.4 in total
Muggy days
9
dew point 65°F+

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high81°F82°F
Normal low67°F69°F
Chance of a wet day28%27%
Sunrise / sunset6:51 am / 6:35 pm6:25 am / 6:45 pm
Daylight11.7 h12.3 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 March day

  1. 6 am70°Fdew point 62°F
  2. 9 am75°Fdew point 63°F
  3. Noon79°Fdew point 63°F
  4. 3 pm79°Fdew point 63°F
  5. 6 pm76°Fdew point 63°F
  6. 9 pm73°Fdew point 63°F

NOAA hourly normals (local standard time) from Honolulu Intl Airport (5 mi away); average wind 10 mph; clear or few clouds in 35% of daytime hours, mostly cloudy or overcast in 29%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F4 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 more9 of 31
  • Wet daysat least 0.01 in of rain or melted snow9 of 31
  • Notable rainat least 0.10 in3 of 31
  • Freezing nightslow 32°F or below0 of 31

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

Rain in March

Normal precipitation is 2.4 in; a dry March brings about 0.6 in and a wet one about 2.7 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more.

How March varies from year to year

  • Warmest March, 1991-20202008: average high 84°F
  • Coolest March2006: average high 78°F
  • Wettest March2006: 16.9 in
  • Driest March1993: 0.02 in
  • Highest reading88°F (March 17, 2018)
  • Lowest reading56°F (March 14, 1993)

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

March compared with February and April

FebruaryMarchApril
Normal high81°F81°F83°F
Normal low67°F68°F70°F
Wet days898
Comfortable days641
Daylight11.4 h12.0 h12.7 h

Highs change by 0°F from February and +2°F into April.

Nearby alternatives in March

How Honolulu ranks in March

  • Normal high8th warmest of 378 cities; 3rd of 7 in Hawaii
  • Wet days175th driest of 378
  • Comfortable days230th most of 339

What to pack for Honolulu in March

  • A rain jacket or umbrella – rain on about 9 days
  • A swimsuit – about 13 beach days

Heating and cooling

March has 0 heating degree days and 299 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How hot is Honolulu in March?

The normal high is 81°F and the normal low is 68°F. From 1991 to 2020 the hottest March reading was 88°F (most recently on March 17, 2018).

Does it rain a lot in Honolulu in March?

About 9 days in March have at least 0.01 in of precipitation, and the normal total is 2.4 in. The wettest March in 1991-2020 was in 2006 (16.9 in); the driest was in 1993 (0.02 in).

Is March a good time to visit Honolulu?

March ranks 2nd of 12 months on our comfort score for Honolulu (56 out of 100). It has about 4 comfortable days. 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.