May weather forecast
Milolii, HI

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Weather in May

The last month of the spring, May, is also an agreeable month in Milolii, Hawaii, with an average temperature varying between 66.7°F (19.3°C) and 71.1°F (21.7°C).

Temperature

With the onset of May, Milolii's average high-temperature clocks in at a still pleasant 71.1°F (21.7°C), showing a minor fluctuation from the previous month. Milolii nights in May witness a mild cool down to an average temperature of 66.7°F (19.3°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

In Milolii, during May, the rain falls for 21.1 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Milolii, Hawaii, during the entire year, the rain falls for 216.1 days and collects up to 16.57" (421mm) of precipitation.

Daylight

In May, the average length of the day is 13h and 3min.
On the first day of May, sunrise is at 5:54 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 6:57 pm HST.

Sunshine

With an average of 10.7h of sunshine, May has the most sunshine of the year.

UV index

The months with the highest UV index are May through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 6 in May transforms into this advice:
Fend off overexposure. Sun protection is vital. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

During May, Milolii experiences an average high-temperature of 71.1°F (21.7°C) and a low-temperature of 66.7°F (19.3°C).

What is the average humidity in May?

The average relative humidity in May is 80%.

How many days does it rain in May?

In Milolii, in May, during 21.1 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

What is the average length of the day in May?

In Milolii, the average day length in May is 13h and 3min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:54 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 6:57 pm HST.

What month has the most sunshine?

May has the most sunshine of the year, with an average of 10.7h of sunshine.

How long on average sun shines in May?

In Milolii, Hawaii, the average sunshine duration in May is 10.7h.

What is the month with the highest UV index?

The months with the highest UV index are May through October, 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 vulnerability 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
Milolii, HI

Average temperature in May - Milolii, HI
  • Average high temperature in May: 71.1°F

The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).

  • Average low temperature in May: 66.7°F

The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).

Average pressure in May
Milolii, HI

Average pressure in May - Milolii, HI
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

Average wind speed in May
Milolii, HI

Average wind speed in May - Milolii, HI
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

Average humidity in May
Milolii, HI

Average humidity in May - Milolii, HI
  • Average humidity in May: 80%

The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).

Average rainfall in May
Milolii, HI

Average rainfall in May - Milolii, HI
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in May
Milolii, HI

Average rainfall days in May - Milolii, HI
  • Average rainfall days in May: 21.1 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).

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

Average daylight in May / Average sunshine in May - Milolii, HI
  • Average daylight in May: 13h and 0min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).

Average sunshine days in May
Milolii, HI

Average sunshine days in May - Milolii, HI
  • Average sunshine days in May: 3.2 days

The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).

Average UV index in May
Milolii, HI

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

The months with the highest UV index are May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).

Average cloud cover in May
Milolii, HI

Average cloud cover in May - Milolii, HI
  • Average cloud cover in May: 29

The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).

Average visibility in May
Milolii, HI

Average visibility in May - Milolii, 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).

Milolii, Hawaii, USA

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