Hilo weather in March: Hilo, Hawaii: normal highs, lows, rain and records for March

Hilo in March has a normal high of 79°F and a normal low of 65°F, a daily mean of 72°F, holding near 79°F all month. Measurable precipitation falls on 22 days in a normal March, 12.68 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 18°C, 322 mm of precipitation in March.

  • NOAA stationHilo International Airport 87
  • Station IDUSW00021504
  • Location19.72°N 155.05°W
  • Elevation38 ft (12 m)
  • Population (census place)48,223
  1. Jan 79° 64°
  2. Feb 78° 64°
  3. Mar 79° 65°
  4. Apr 79° 66°
  5. May 81° 67°
  6. Jun 82° 69°
  7. Jul 83° 70°
  8. Aug 83° 70°
  9. Sep 83° 70°
  10. Oct 82° 69°
  11. Nov 80° 68°
  12. Dec 79° 66°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Hilo in March?

The normal high is 79°F and the normal low 65°F, for a daily mean of 71.9°F. March is 0.7°F warmer than February and 0.6°F cooler than April. March is the 10th warmest month of the year in Hilo and the 2nd wettest. Across the month the normal high rises 1°F, from 78°F on March 1 to 79°F on March 31. From one year to the next March's mean temperature typically moves about 1.2°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 71°F and 73°F.

Hilo in March, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 77%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 178°F65°F64%43%
March 878°F65°F67%45%
March 1579°F65°F70%48%
March 2279°F65°F73%51%
March 3179°F66°F77%56%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 23, coldest night March 1)
Hilo: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 178°F65°F64%43%11 h 40 min
March 278°F65°F65%43%11 h 50 min
March 378°F65°F65%43%11 h 50 min
March 478°F65°F65%44%11 h 50 min
March 578°F65°F66%44%11 h 50 min
March 678°F65°F66%44%11 h 50 min
March 778°F65°F67%45%11 h 50 min
March 878°F65°F67%45%11 h 50 min
March 979°F65°F67%46%11 h 50 min
March 1079°F65°F68%46%11 h 50 min
March 1179°F65°F68%46%12 h
March 1279°F65°F69%47%12 h
March 1379°F65°F69%47%12 h
March 1479°F65°F69%48%12 h
March 1579°F65°F70%48%12 h
March 1679°F65°F70%49%12 h
March 1779°F65°F71%49%12 h
March 1879°F65°F71%49%12 h
March 1979°F65°F72%50%12 h
March 2079°F65°F72%50%12 h 10 min
March 2179°F65°F73%51%12 h 10 min
March 2279°F65°F73%51%12 h 10 min
March 2379°F66°F74%52%12 h 10 min
March 2479°F66°F74%52%12 h 10 min
March 2579°F66°F75%53%12 h 10 min
March 2679°F66°F75%53%12 h 10 min
March 2779°F66°F76%54%12 h 10 min
March 2879°F66°F76%54%12 h 10 min
March 2979°F66°F76%55%12 h 20 min
March 3079°F66°F77%55%12 h 20 min
March 3179°F66°F77%56%12 h 20 min
Normal high
79°FMarch average
Normal low
65°FMarch average
Precipitation
12.68 inmonth total
Days with precipitation
220.01 inch or more
Daylight
11 h 40 min to 12 h 20 minMarch 1 to March 31
Days at 70°F or more
31
Days at 80°F or more
16
Sunshine
71%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00021504; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Hilo in March?

On a given March day the chance of 0.01 inch or more is 71% on average, highest around March 31 (77%). In all, 12.68 in falls on 22 days of a normal March, 3 of them with an inch or more.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00021504.

How humid and windy is Hilo in March?

At 3 p.m. the normal temperature is 77°F with 67% relative humidity and a dew point of 65°F; at 6 a.m. it is 67°F with 85% humidity. The wind averages 6.8 mph, most often from the east-northeast in the afternoon. A dew point of 65°F or more feels muggy to most people.

A normal March day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.67°F62°F85%5.4 mph21%
9 a.m.74°F65°F73%5.4 mph21%
noon77°F66°F67%10.0 mph23%
3 p.m.77°F65°F67%10.6 mph19%
6 p.m.74°F65°F74%7.1 mph23%
9 p.m.71°F65°F83%5.0 mph17%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00021504. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for March in Hilo?

The warmest March temperature on Hilo's official record (since 1949) is 93°F, on March 23, 1972; the coldest is 54°F, on March 18, 1971. The wettest March brought 49.93 in (1980).

The March mean against the 1991-2020 normal of 71.9°F: 2021 72.8°F (+0.8), 2022 75.1°F (+3.2), 2023 74.3°F (+2.4), 2024 71.9°F (at normal), 2025 73.8°F (+1.9), 2026 73.5°F (+1.5). 5 of 6 ran warmer than normal.

Hilo: March in recent years against the 1991-2020 normal
MarchMeanAgainst normalPrecip.
202172.8°F+0.8°F24.99 in
202275.1°F+3.2°F4.31 in
202374.3°F+2.4°F7.40 in
202471.9°Fat normal15.80 in
202573.8°F+1.9°F7.54 in
202673.5°F+1.5°F13.36 in

Source: records: ACIS, NWS threaded record ITOthr; recent months: ACIS, station USW00021504. Records and recent months use complete months only.

How does March in Hilo compare across Hawaii?

Across the 18 places PlainClimate covers in Hawaii, March normal highs run from 69°F in Kula to 83°F in Kahului; Hilo's is 79°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places