United StatesThe climate of Hilo
The current climate in Hilo features temperatures ranging from a high of 30°C to a low of 27°C throughout the year. The average yearly temperature is around 29°C. At night, temperatures in the colder months average around 18°C and in the warmer months around 22°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Hilo, Hawaii.
Temperature records
The highest temperature recorded in Hilo in recent years was 34°C in July 2020. The lowest daytime temperature recorded was 19°C in February 2019.
Rainfall amount
On average, Hilo receives 4446 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit Hilo?
The best time to visit Hilo for mild to warm weather is January up to October and December. You might get some rain, but the temperatures are just right to explore Hilo.
Climate Table of Hilo
The climate table of Hilo shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 30 | 29 | 28 | 27 |
| Temp. min (°C) | 19 | 19 | 19 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 21 | 20 |
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| Precipitation (mm) | 274 | 258 | 291 | 272 | 272 | 308 | 200 | 361 | 447 | 490 | 788 | 485 |
| UV Index | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Hilo, Hawaii. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Hilo
Yearly Temperature in Hilo
Precipitation charts
These charts show the average amount of precipitation in Hilo, Hawaii. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Hilo
Total Yearly Precipitation in Hilo
UV index chart
This chart shows the average UV index per month in Hilo, Hawaii. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Hilo
Weather experiences in Hilo
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Average weather in Hilo by month
Click on a month below to see detailed weather info for Hilo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.