What’s the climate like in Hilo?
The current climate of Hilo features average monthly temperatures ranging from highs of 30°C during the day to lows of 27°C. 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.
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.
On average, Hilo receives 4446 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Best time to visit Hilo?
The best time to visit Hilo for pleasant to warm weather is January through October and December. There might be some rain during this period, but the temperatures are just right for exploring Hilo.
Climate Table of Hilo
The climate table of Hilo shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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.
- Average yearly temperature: 29°C
- Highest temperature: 30°C in September
- Lowest temperature: 27°C in January, February, March, April and December
- Precipitation: 4446 mm per year, averaging 371 mm per month
- Driest months: 200 mm in July, 258 mm in February and 272 mm in April
- Wettest months: 788 mm in November, 490 mm in October and 485 mm in December
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Table of Contents
Average Temperature per Month in Hilo
This graph shows the average maximum temperatures per month in Hilo, Hawaii. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Hilo
This graph shows how much precipitation Hilo, Hawaii, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Hilo
This graph 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.
Yearly Temperature in Hilo
This graph shows the average yearly temperature in Hilo, Hawaii. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Hilo
This chart shows the total yearly precipitation in Hilo, Hawaii, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
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.
