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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilo's climate page.
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%
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 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
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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hilo climate overview or explore weather in the United States of America.
