June weather forecast
Poipu, HI

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Weather in June

Weather progression through the month of June varies less from May, retaining the summer mood in Poipu, with a few twists. The consistent climate supports a variety of outdoor adventures, from mountain hikes to waterfront strolls. Introducing minor fluctuations, the wind speed enhances a bit, while the cloud cover thickens slightly in comparison with the previous month. However, the rainfall tally defies the general trend by registering an increase to 1.85" (47mm). Meanwhile, an impressive rise of daylight hours to a peak 13.5 hours adds a special touch to the June weather in Poipu.

Temperature

Poipu's shift from May to June is accompanied by an average high-temperature of a still warm 78.3°F (25.7°C), a slight deviation from 76.8°F (24.9°C). In June, Poipu's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 73.9°F (23.3°C).

Humidity

June through August, October and December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Poipu, in June, during 18.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.

Daylight

With an average of 13h and 24min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:54 am and sunset at 7:17 pm. On the last day of June, sunrise is at 5:58 am and sunset at 7:25 pm HST.

Sunshine

With an average of 9.7h of sunshine, June has the most sunshine of the year.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during June translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in June?

The average high-temperature, in June, in Poipu, is 78.3°F (25.7°C), while the average low-temperature is 73.9°F (23.3°C).

What are the most humid months?

The months with the highest humidity are June through August, October and December, with an average relative humidity of 77%.

What is the average humidity in June?

In June, the average relative humidity is 77%.

How much does it rain in June?

In Poipu, in June, it is raining for 18.8 days, with typically 1.85" (47mm) of accumulated precipitation.

When are the longest days in Poipu?

With an average of 13h and 24min of daylight, June has the longest days of the year.

How many hours of daylight does Poipu have in June?

The average day length in June is 13h and 27min.

What time are sunrise and sunset in June in Poipu?

On the first day of June, sunrise is at 5:54 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:25 pm HST.

What month has the most sunshine in Poipu?

With an average of 9.7h of sunshine, June has the most sunshine of the year.

How long on average sun shines in June?

The average sunshine duration in June is 9.7h.

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 June in Poipu?

The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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 June
Poipu, HI

Average temperature in June - Poipu, HI
  • Average high temperature in June: 78.3°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 June: 73.9°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 June
Poipu, HI

Average pressure in June - Poipu, HI
  • Average pressure in June: 30.04"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 June
Poipu, HI

Average wind speed in June - Poipu, HI
  • Average wind speed in June: 12.1mph

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 June
Poipu, HI

Average humidity in June - Poipu, HI
  • Average humidity in June: 77%

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 June
Poipu, HI

Average rainfall in June - Poipu, HI
  • Average rainfall in June: 1.85"

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 June
Poipu, HI

Average rainfall days in June - Poipu, HI
  • Average rainfall days in June: 18.8 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 June /
Average sunshine in June
Poipu, HI

Average daylight in June / Average sunshine in June - Poipu, HI
  • Average daylight in June: 13h and 2min

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 48min).

  • Average sunshine in June: 9h and 4min

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 June
Poipu, HI

Average sunshine days in June - Poipu, HI
  • Average sunshine days in June: 5 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 June
Poipu, HI

Average UV index in June - Poipu, HI
  • Average UV index in June: 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 June
Poipu, HI

Average cloud cover in June - Poipu, HI
  • Average cloud cover in June: 45

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 June
Poipu, HI

Average visibility in June - Poipu, HI
  • Average visibility in June: 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).

Poipu, Hawaii, USA

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