May weather forecast
Olowalu, HI

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Weather in May

The last month of the spring, May, is also a moderately hot month in Olowalu, Hawaii, with an average temperature fluctuating between 73.4°F (23°C) and 77°F (25°C).

Temperature

The unfolding of May shows an average high-temperature of a still moderately hot 77°F (25°C), indicating a slight variance from April's 75.6°F (24.2°C). During May, Olowalu's nights hold steady with an average temperature of 73.4°F (23°C), barely dropping from the daytime highs.

Humidity

The average relative humidity in May in Olowalu is 75%.

Rainfall

In Olowalu, Hawaii, in May, it is raining for 8.3 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, in Olowalu, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Daylight

In Olowalu, the average length of the day in May is 13h and 8min.
On the first day of the month, sunrise is at 5:55 am and sunset at 6:51 pm. On the last day of May, sunrise is at 5:44 am and sunset at 7:03 pm HST.

Sunshine

In May, the average sunshine in Olowalu is 11h.

UV index

The months with the lowest UV index are January through June, November and December, 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 rays for the average person.
Note: In May, a regular UV index of 6 translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What is the average May temperature in Olowalu?

Olowalu in May has an average high-temperature of 77°F (25°C) and an average low-temperature of 73.4°F (23°C).

What is the average humidity in May in Olowalu?

In May, the average relative humidity is 75%.

How much does it rain in Olowalu in May?

In May, the rain falls for 8.3 days. Throughout May, 0.43" (11mm) of precipitation is accumulated.

How many hours of daylight does Olowalu have in May?

In Olowalu, the average day length in May is 13h and 8min.

What time are sunrise and sunset in May in Olowalu?

On the first day of May, sunrise is at 5:55 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 7:03 pm HST.

How many hours of sunshine does Olowalu have in May?

The average sunshine duration in May in Olowalu, Hawaii, is 11h.

What is the month with the lowest UV index in Olowalu?

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Olowalu.

How high is the UV index in May in Olowalu?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Olowalu, HI

Average temperature in May - Olowalu, HI
  • Average high temperature in May: 77°F

The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in May: 73.4°F

The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).

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Average pressure in May
Olowalu, HI

Average pressure in May - Olowalu, HI
  • Average pressure in May: 30.04"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in May
Olowalu, HI

Average wind speed in May - Olowalu, HI
  • Average wind speed in May: 11.7mph

The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).

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Average humidity in May
Olowalu, HI

Average humidity in May - Olowalu, HI
  • Average humidity in May: 75%

The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).

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Average rainfall in May
Olowalu, HI

Average rainfall in May - Olowalu, HI
  • Average rainfall in May: 0.43"

The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in May
Olowalu, HI

Average rainfall days in May - Olowalu, HI
  • Average rainfall days in May: 8.3 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).

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

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

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in May: 11h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in May
Olowalu, HI

Average sunshine days in May - Olowalu, HI
  • Average sunshine days in May: 18.5 days

The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).

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Average UV index in May
Olowalu, HI

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

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

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Average cloud cover in May
Olowalu, HI

Average cloud cover in May - Olowalu, HI
  • Average cloud cover in May: 25

The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).

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Average visibility in May
Olowalu, HI

Average visibility in May - Olowalu, 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).

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Olowalu, Hawaii, USA

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