May Weather in Kailua-Kona

Last updated: March 2, 2024

The weather in Kailua-Kona, United States, during May is characterized by an average temperature of 22°C (72°F). Highs can soar to 25°C (78°F), while lows may dip to 19°C (67°F). Typically, the humidity level in Kailua-Kona throughout May hovers around 80%.

19°C (67°F)

Minimum temperature

22°C (72°F)

Average temperature

25°C (78°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In May, Kailua-Kona averages 331 mm (13.1 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 13 hours 3 minutes of daylight, with the sun shining for approximately 10 hours 39 minutes each day. Additionally, there is a 29% probability of sunny days during this period.

331 mm (13.1 inches)

Precipitation

28 rainy days

Rainy days

10 hours 39 minutes

Sunshine hours

29%

Chance of sun

UV Index

In May, the UV Index in Kailua-Kona reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 3 6 9 12 13 13 10 7 4 2 1 0
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Kailua-Kona's Climate with Cities Worldwide