May weather forecast
Kalihiwai, HI

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Weather in May

The last month of the spring, May, is also a moderately hot month in Kalihiwai, Hawaii, with an average temperature varying between 76.8°F (24.9°C) and 72.1°F (22.3°C).

Temperature

The advent of May brings an average high-temperature of a still moderately hot 76.8°F (24.9°C), exhibiting minor difference from the previous month. Kalihiwai navigates through May with a barely noticeable decrease in temperature at night, stabilizing at an agreeable 72.1°F (22.3°C).

Humidity

The average relative humidity in May is 76%.

Rainfall

In Kalihiwai, Hawaii, during May, the rain falls for 18.5 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 13min.
On the first day of May, sunrise is at 6:04 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:17 pm HST.

Sunshine

The average sunshine in May is 9.3h.

UV index

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Deflect overexposure. Sun protection is a necessity. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What is the temperature in May?

In Kalihiwai, 76.8°F (24.9°C) is the average high-temperature and 72.1°F (22.3°C) is the average low-temperature during May.

What is the average humidity in May?

The average relative humidity in May is 76%.

How many days does it rain in May?

In May, the rain falls for 18.5 days. Throughout May, 1.57" (40mm) of precipitation is accumulated.

What is the average length of the day in May?

In May, the average day length is 13h and 13min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:04 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:17 pm HST.

How many hours of sunshine does Kalihiwai have in May?

In May, the average sunshine duration is 9.3h.

What is the month with the lowest UV index?

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index.

What is the UV index reading in May?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Kalihiwai, HI

Average temperature in May - Kalihiwai, HI
  • Average high temperature in May: 76.8°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).

  • Average low temperature in May: 72.1°F

The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).

Average pressure in May
Kalihiwai, HI

Average pressure in May - Kalihiwai, HI
  • Average pressure in May: 30.05"Hg

The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).

Average wind speed in May
Kalihiwai, HI

Average wind speed in May - Kalihiwai, HI
  • Average wind speed in May: 10.5mph

The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).

Average humidity in May
Kalihiwai, HI

Average humidity in May - Kalihiwai, HI
  • Average humidity in May: 76%

The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).

Average rainfall in May
Kalihiwai, HI

Average rainfall in May - Kalihiwai, HI
  • Average rainfall in May: 1.57"

The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").

Average rainfall days in May
Kalihiwai, HI

Average rainfall days in May - Kalihiwai, HI
  • Average rainfall days in May: 18.5 days

The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).

Average daylight in May /
Average sunshine in May
Kalihiwai, HI

Average daylight in May / Average sunshine in May - Kalihiwai, HI
  • Average daylight in May: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

Average sunshine days in May
Kalihiwai, HI

Average sunshine days in May - Kalihiwai, HI
  • Average sunshine days in May: 6.7 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).

Average UV index in May
Kalihiwai, HI

Average UV index in May - Kalihiwai, HI
  • Average UV index in May: 6

The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).

Average cloud cover in May
Kalihiwai, HI

Average cloud cover in May - Kalihiwai, HI
  • Average cloud cover in May: 41

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).

Average visibility in May
Kalihiwai, HI

Average visibility in May - Kalihiwai, HI
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Kalihiwai, Hawaii, USA

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