Hilo, HI weather in March
Hilo is mild and often humid in March, with rain on most days: highs average 79°F and nights drop to about 65°F. Expect about 22 wet days. Keep rain gear handy.
- Normal high
- 79°F
- Normal low
- 65°F
- Wet days
- 22
- 12.7 in total
- Muggy days
- 10
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 78°F | 79°F |
| Normal low | 65°F | 66°F |
| Chance of a wet day | 65% | 76% |
| Sunrise / sunset | 6:39 am / 6:25 pm | 6:14 am / 6:34 pm |
| Daylight | 11.8 h | 12.3 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
- 6 am66°Fdew point 61°F
- 9 am73°Fdew point 64°F
- Noon77°Fdew point 65°F
- 3 pm77°Fdew point 65°F
- 6 pm73°Fdew point 65°F
- 9 pm70°Fdew point 65°F
NOAA hourly normals (local standard time) from Hilo Intl Airport (2 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph8 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more10 of 31
- Wet daysat least 0.01 in of rain or melted snow22 of 31
- Notable rainat least 0.10 in15 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 12.7 in; a dry March brings about 4.7 in and a wet one about 18.0 in (25th and 75th percentiles). About 6 days bring half an inch or more, and about 3 an inch or more.
How March varies from year to year
- Warmest March, 1991-20202017: average high 83°F
- Coolest March2009: average high 75°F
- Wettest March1991: 37.9 in
- Driest March2003: 1.5 in
- Highest reading90°F (March 28, 2018)
- Lowest reading56°F (March 14, 2009)
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
| February | March | April | |
|---|---|---|---|
| Normal high | 78°F | 79°F | 79°F |
| Normal low | 64°F | 65°F | 66°F |
| Wet days | 17 | 22 | 25 |
| Comfortable days | 5 | 3 | 1 |
| Daylight | 11.5 h | 12.0 h | 12.6 h |
Highs change by +1°F from February and 0°F into April.
Nearby alternatives in March
- Drier: Kailua-Kona, HI59 mi · high 82°F · 5 wet days
How Hilo ranks in March
- Normal high23rd warmest of 378 cities; 6th of 7 in Hawaii
- Wet days378th driest of 378
- Comfortable days256th most of 339
What to pack for Hilo in March
- A rain jacket or umbrella – rain on about 22 days
Heating and cooling
March has 0 heating degree days and 212 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Hilo in March?
The normal high is 79°F and the normal low is 65°F. From 1991 to 2020 the hottest March reading was 90°F (most recently on March 28, 2018).
Does it rain a lot in Hilo in March?
About 22 days in March have at least 0.01 in of precipitation, and the normal total is 12.7 in. The wettest March in 1991-2020 was in 1991 (37.9 in); the driest was in 2003 (1.5 in).
Is March a good time to visit Hilo?
March ranks 3rd of 12 months on our comfort score for Hilo (44 out of 100). It has about 3 comfortable days. The best months are January and February.
Where the numbers come from
- Temperature, rain, frost dates and humidity and wind by hour: Hilo Intl Airport (USW00021504), 2.2 mi E of the city center, 38 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Kapoho Beach 93.11 (USC00513368), 23 mi SE of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Hilo International Airport (912850-21504), 2.5 mi E of the city center, 29 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).