Weather in Kahului in May 2026
Average weather
Average temperature in Kahului in May
Going from a maximum of +86°F during the day to a minimum of +63°F during the night, the temperature in May averages around +82°F.
The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +84°F to +82°F.
Is Kahului warm or cold in May?
Kahului is typically warm in May.
Maximum temperatures go up compared to the previous month from +79°F to +81°F. The minimum temperature also goes up from +70°F to +70°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how May is compared to other months in Kahului:
Climate in Kahului in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +79°F | +81°F | +82°F | ||||
| Min. temperature | ||||||
| +57°F | +57°F | +64°F | ||||
| Max. temperature | ||||||
| +91°F | +91°F | +91°F | ||||
| Rainfall | ||||||
| 50 mm | 28 mm | 11 mm | ||||
| Wind | ||||||
| 5 m/s | 4 m/s | 5 m/s | ||||
| Humidity | ||||||
| 71% | 70% | 69% | ||||
| Air pressure | ||||||
| 1017 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 5 | 6 | 7 | ||||
| Cloudy days | ||||||
| 7 | 10 | 10 | ||||
| Rainy days | ||||||
| 17 | 15 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +79°F to +81°F during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 50 mm to 28 mm. It feels drier, as humidity decreases from 71% to 70%. Winds are calmer in comparison to April, going down from 5 m/s to 4 m/s on average. The good news is there are likely to be more sunny days in May, from 5 to 6.
June brings much the same weather, it remains good.
Wind
The average wind speed is 5 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Kahului is gradually increasing during May, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last May in Kahului?
Climate Change Over the Years
The climate in Kahului in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+78°F) and the highest in 2014 (+85°F). The driest year was 1983 with only 175 mm of rainfall, and the wettest year was 1989 with 1105 mm.
FAQ
Is May a good time to visit Kahului?
Can you sunbathe in Kahului in May?
Is Kahului rainy in May?
Is it sunny in Kahului in May?
Other cities in USA
Monthly weather in Kahului
Source of the data
For this page, we’ve looked at the typical weather in Kahului, 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.
