May weather forecast and climate
Lihue, HI

What is the temperature in May in Lihue?

In Lihue, Hawaii, in May, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 70.3°F (21.3°C).

How much does it rain in Lihue in May?

In May, in Lihue, Hawaii, the rain falls for 14.2 days. Throughout May, 6.1" (155mm) of precipitation is accumulated.

How warm is the water in May in Lihue?

In May, in Lihue, Hawaii, the average sea temperature is 77°F (25°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.
Average temperature in May - Lihue, HI
  • Average high temperature in May: 81.2°F

The warmest month (with the highest average high temperature) is September (84.8°F).
The month with the lowest average high temperature is February (77.8°F).

  • Average low temperature in May: 70.4°F

The month with the highest average low temperature is August (74.6°F).
Coldest months (with the lowest average low temperature) are January and February (65.5°F).

Average humidity in May - Lihue, HI
  • Average humidity in May: 74.9%

The month with the highest relative humidity is November (76.8%).
The month with the lowest relative humidity is June (73.5%).

Average rainfall in May - Lihue, HI
  • Average rainfall in May: 6.1"

The wettest month (with the highest rainfall) is November (8.7").
The driest month (with the lowest rainfall) is June (4.3").

Average rainfall days in May - Lihue, HI
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is July (19.4 days).
The month with the lowest number of rainy days is February (12.1 days).

Average sea temperature in May - Lihue, HI
  • Average sea temperature in May: 77°F

Best months for swimming (with the highest average sea temperature) are August, September and October (81°F).
Coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

Average daylight in May / Average sunshine in May - Lihue, HI
  • Average daylight in May: 13.2h

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.8h).

  • Average sunshine in May: 7.9h

The month with most sunshine is August (Average sunshine: 8.5h).
The month with least sunshine is December (Average sunshine: 5.2h).

Average UV index in May - Lihue, HI
  • Average UV index in May: 11

Months with the highest UV index are July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

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