Weather in Honolulu in July 2025
Average weather
Average temperature in Honolulu in July
Going from a maximum of +31°C during the day to a minimum of +22°C during the night, the temperature in July averages around +29°C.
The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +29°C to +30°C.
Is Honolulu warm or cold in July?
Honolulu is typically warm in July.
Maximum temperatures go up compared to the previous month from +29°C to +30°C. The minimum temperature also goes up from +23°C to +24°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how July is compared to other months in Honolulu:
Water temperature in Honolulu in July
Water in Honolulu in July is Warm. It varies from +25°C to +26°C, with an average of +26°C. This is almost similar to the air temperature, which averages +30°C.
In July, water temperatures are average relative to the rest of the year:
Can you swim in Honolulu in July?
Climate in Honolulu in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +30°C | +30°C | ||||
| Min. temperature | ||||||
| +19°C | +20°C | +20°C | ||||
| Max. temperature | ||||||
| +32°C | +33°C | +33°C | ||||
| Rainfall | ||||||
| 14 mm | 17 mm | 19 mm | ||||
| Wind | ||||||
| 5 m/s | 5 m/s | 5 m/s | ||||
| Avg. water temperature | ||||||
| +26°C | +26°C | +26°C | ||||
| Humidity | ||||||
| 67% | 68% | 68% | ||||
| Air pressure | ||||||
| 1016 HPa | 1016 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 4 | 4 | 5 | ||||
| Cloudy days | ||||||
| 15 | 15 | 16 | ||||
| Rainy days | ||||||
| 10 | 11 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as good as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +29°C to +30°C during the day. Prepare for more rain. Average rainfall goes from 14 mm to 17 mm. Humidity rises from 67% to 68%. The average wind speed doesn’t change much during July, staying around 5 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.
August brings much the same weather, it remains good.
Wind
The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Honolulu is gradually increasing during July, going from 3 m/s to 6 m/s over the course of the month.
Rain
How was the weather last July in Honolulu?
Climate Change over Years
The climate in Honolulu in July has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+25°C) and the highest in 1988 (+29°C). The driest year was 1983 with only 113 mm of rainfall, and the wettest year was 1982 with 1336 mm.
FAQ
Is July a good time to visit Honolulu?
Can you sunbathe in Honolulu in July?
Can you swim in Honolulu in July?
Is Honolulu rainy in July?
Is it sunny in Honolulu in July?
Other cities in USA
Monthly weather in Honolulu
Source of the data
For this page, we’ve looked at the typical weather in Honolulu, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.