Temperatures in April
It's warm in April in Hilo with an average temperature of 27°C. Temperatures this month range from a low of 26°C to a high of 28°C. At night, you can expect temperatures between 17°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Hilo in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in Hilo with hot temperatures, averaging around 28°C during the day and nights close to 20°C. Plenty of days with a chance of precipitation.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-April
By mid-April, the average daytime temperature drops to around 27°C, with nights close to 20°C. The chance of precipitation is high during this period.
Temperatures vary between day and night, so it’s smart to wear layers.
End of April
By the end of April, the average daytime temperature in Hilo will be around 28°C, with nights close to 21°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers.
Water temperature
The water temperature at Hilo is 26°C this month. Lovely temperature for a swim.
Precipitation in April
In April, there is an average of 272 mm of precipitation, spread over 22 days. The wind speed is around 4 Bft, mostly coming from the South.
There’s an average 72% chance of precipitation per day this month. Though that seems frequent, there are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for Hilo. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Hilo in April |
London | ||
|---|---|---|---|
 Average Temperature |
27°C | 15°C | |
 High Temp |
28°C | 18°C | |
| Low Temp |
26°C | 12°C | |
 Total Precipitation |
272 mm | 29 mm | |
| Rainy Days |
22 days | 7 days | |
March
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is April a good time to visit Hilo?
After some sun? Then April isn’t the best time to be in Hilo. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Hilo in April
With 32°C, Hilo hit the highest temperature in the last 10 years in April 2017. The lowest daytime temperature in this month was 22°C in 2016. The extreme night temperatures ranged from a low of 5°C to a high of 24°C.
Check out the climate of Hilo for all months and discover the best travel time
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Daily Temperature in April in Hilo
This chart shows the average daily temperatures, both day and night, for each day in April in Hilo, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in April in Hilo
The chart below shows the average daily precipitation in April for Hilo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 22 days of rain in Hilo.
Daily UV Index in April in Hilo
This chart shows the average daily UV index in April in Hilo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in Hilo Over the Years
This chart shows the average temperature in April in Hilo, measured in degrees Celsius, over the past years.
Total Precipitation in April in Hilo Over the Years
This chart shows the average precipitation in April in Hilo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in April for Hilo
Click on a specific day in April for detailed info on the typical weather on that day in Hilo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in Hilo
Have you been to Hilo in April?
Share your weather experience in April in Hilo.
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.
