May weather forecast
Omao, HI

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Weather in May

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

Temperature

The advent of May presents an average high-temperature of a still warm 76.8°F (24.9°C), maintaining a close correlation with the preceding month. Omao's average temperature during the nights of May is recorded at a pleasant 72.1°F (22.3°C).

Humidity

In Omao, the average relative humidity in May is 76%.

Rainfall

In Omao, in May, during 18.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Omao, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.

Daylight

In Omao, the average length of the day in May is 13h and 12min.
On the first day of the month, sunrise is at 6:05 am and sunset at 7:04 pm. On the last day of May, sunrise is at 5:54 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 reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in May translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Omao in May?

In Omao, 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 Omao?

In Omao, the average day length in May is 13h and 12min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:17 pm HST.

How long on average sun shines in May?

In Omao, Hawaii, the average sunshine duration in May is 9.3h.

What are the months with the lowest UV index?

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

What is the UV index reading in May?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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
Omao, HI

Average temperature in May - Omao, 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
Omao, HI

Average pressure in May - Omao, 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
Omao, HI

Average wind speed in May - Omao, 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
Omao, HI

Average humidity in May - Omao, 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
Omao, HI

Average rainfall in May - Omao, 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
Omao, HI

Average rainfall days in May - Omao, 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
Omao, HI

Average daylight in May / Average sunshine in May - Omao, 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
Omao, HI

Average sunshine days in May - Omao, 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
Omao, HI

Average UV index in May - Omao, 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
Omao, HI

Average cloud cover in May - Omao, 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
Omao, HI

Average visibility in May - Omao, 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).

Omao, Hawaii, USA

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