Normal weather for Hilo in July
It's warm in July in Hilo with an average temperature of 29°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 20°C and 23°C.
In July, there is an average of 200 mm of precipitation, spread over 22 days. The wind speed is around 4 Bft, mostly coming from the South.
Hilo in July |
London | ||
|---|---|---|---|
 Average Temperature |
29°C | 23°C | |
 High Temp |
30°C | 27°C | |
| Low Temp |
29°C | 21°C | |
 Total Precipitation |
200 mm | 52 mm | |
| Rainy Days |
22 days | 9 days | |
Start of July
The month of July starts in Hilo with hot temperatures, averaging around 29°C during the day and nights close to 22°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
Mid-July
By mid-July, the average daytime temperature rises to around 30°C, with nights close to 22°C. The chance of precipitation is high during this period.
Temperatures vary between day and night, so it’s smart to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
End of July
By the end of July, the average daytime temperature in Hilo will be around 30°C, with nights close to 23°C. There’s a significant chance of many days with precipitation.
As it gets cooler in the evening, it’s best to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
Water temperature
The water temperature at Hilo is 24°C this month. Comfortable for a swim.
UV index
The UV index is a maximum of 10 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 July a good time to visit Hilo?
After some sun? Then July 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 July
With 34°C, Hilo hit the highest temperature in the last 10 years in July 2020. The lowest daytime temperature in this month was 24°C in 2014. The extreme night temperatures ranged from a low of 8°C to a high of 25°C.
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Daily Temperature in July in Hilo
This chart shows the average daily temperatures, both day and night, for each day in July 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 July in Hilo
The chart below shows the average daily precipitation in July 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 July, you can expect around 22 days of rain in Hilo.
Daily UV Index in July in Hilo
This chart shows the average daily UV index in July 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 July in Hilo Over the Years
This chart shows the average temperature in July in Hilo, measured in degrees Celsius, over the past years.
Total Precipitation in July in Hilo Over the Years
This chart shows the average precipitation in July 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 July for Hilo
Click on a specific day in July 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 July 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.
