Hilo
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Hilo Weather in March

In Hilo, March brings high daytime temperatures around 23°C (73°F), with nights cooling to 17°C (63°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Hilo in March

As part of the rainy season, Hilo sees around 19 days of rain in March, with an average of 273 mm (11 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Hilo in March

In March, Hilo sees high temperatures, with highs of 23°C (73°F). Nights drop to around 17°C (63°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Hilo in March

The month experiences a moderate amount of sunlight, with 154 hours of sunshine. This provides a nice balance between sunshine and rain.

March in Hilo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

Hilo Temperature in March

Min Temperature
17°C (63°F)
Max Temperature
23°C (73°F)
Chance of Rain
65%
Precipitation
273 mm (11 in)
Rainy days
19 days
Humidity
78%
Sunshine
154 hours
Percentage Sunshine
41%

Hilo Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Hilo - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Hilo typically stay consistent throughout March, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows around 18°C (64°F).

Average temperatures in March

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in March

Historical weather records for Hilo in March

Browse day-by-day weather records for Hilo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Hilo historical weather extremes in March

Based on weather observations in Hilo between 1976 and 2026, these are the recorded extremes during March.

  • The hottest March day on record in Hilo reached 31°C (88°F) (March 20, 2026).
  • Hilo experienced its chilliest March day on March 1, 1990, reaching only 19°C (66°F).
  • The lowest overnight temperature recorded in March was 6°C (43°F) (March 9, 1997).

Best Places in the United States of America in March

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Hilo in March

For Hilo in March, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Hilo in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Camping
    6/10

Hilo 3-Day Forecast

Popular in March

Where to go in March - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.