June weather forecast
Captain Cook, HI

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Weather in June

The first month of the summer, June, is also an agreeable month in Captain Cook, Hawaii, with an average temperature ranging between max 72.1°F (22.3°C) and min 68.5°F (20.3°C).

Temperature

As Captain Cook welcomes June, the average high-temperature records at a still pleasant 72.1°F (22.3°C), marking an insignificant deviation from the prior month. Captain Cook in June observes a slight diminution in temperature from daily highs, recording a low-temperature average of 68.5°F (20.3°C).

Humidity

June through September, with an average relative humidity of 81%, are the most humid months in Captain Cook.

Rainfall

In Captain Cook, during June, the rain falls for 19.9 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Daylight

With an average of 13h and 18min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:44 am and sunset at 6:58 pm. On the last day of June, sunrise is at 5:48 am and sunset at 7:06 pm HST.

Sunshine

In June, the average sunshine is 10.4h.

UV index

May through October, with an average maximum UV index of 6, are months with the highest 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 ordinary person.
Note: A typical high UV index of 6 in June suggests the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature?

The average high-temperature and low-temperature during June are 72.1°F (22.3°C) and 68.5°F (20.3°C) respectively.

What are the most humid months?

June through September, with an average relative humidity of 81%, are most humid months.

What is the average humidity in June in Captain Cook?

In June, the average relative humidity is 81%.

How much does it rain in June?

In Captain Cook, in June, during 19.9 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When are the longest days?

With an average of 13h and 18min of daylight, June has the longest days of the year in Captain Cook.

What is the average length of the day in June?

In June, the average day length is 13h and 17min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 5:44 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:06 pm HST.

How many hours of sunshine does Captain Cook have in June?

In June, the average sunshine duration is 10.4h.

What is the month with the highest UV index?

May through October, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in June?

In Captain Cook, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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 June
Captain Cook, HI

Average temperature in June - Captain Cook, HI
  • Average high temperature in June: 72.1°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 June: 68.5°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 June
Captain Cook, HI

Average pressure in June - Captain Cook, HI
  • Average pressure in June: 30.01"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 June
Captain Cook, HI

Average wind speed in June - Captain Cook, HI
  • Average wind speed in June: 6mph

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 June
Captain Cook, HI

Average humidity in June - Captain Cook, HI
  • Average humidity in June: 81%

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 June
Captain Cook, HI

Average rainfall in June - Captain Cook, HI
  • Average rainfall in June: 0.94"

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 June
Captain Cook, HI

Average rainfall days in June - Captain Cook, HI
  • Average rainfall days in June: 19.9 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 June /
Average sunshine in June
Captain Cook, HI

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

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 June: 10h and 2min

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 June
Captain Cook, HI

Average sunshine days in June - Captain Cook, HI
  • Average sunshine days in June: 4.3 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 June
Captain Cook, HI

Average UV index in June - Captain Cook, HI
  • Average UV index in June: 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 June
Captain Cook, HI

Average cloud cover in June - Captain Cook, HI
  • Average cloud cover in June: 31

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 June
Captain Cook, HI

Average visibility in June - Captain Cook, 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).

Captain Cook, Hawaii, USA

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