June weather forecast
Hagåtña, GU

Weather in June

June, the first month of the summer in Hagåtña, is also a moderately hot month, with an average temperature ranging between max 84.6°F (29.2°C) and min 83.3°F (28.5°C).

Temperature

In Hagåtña, the average high-temperature in June is relatively the same as in May - a still moderately hot 84.6°F (29.2°C). In June, the average low-temperature is 83.3°F (28.5°C).

Heat index

In June, the average heat index is estimated at a tropical 94.3°F (34.6°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like metabolic differences, clothing, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Hagåtña, Guam, the average relative humidity in June is 77%.

Rainfall

In Hagåtña, during June, the rain falls for 25.4 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Hagåtña, during the entire year, the rain falls for 288.5 days and collects up to 60.08" (1526mm) of precipitation.

Ocean temperature

In Hagåtña, the average water temperature is 84.7°F (29.3°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

With an average of 12h and 55min of daylight, June has the longest days of the year.
On the first day of June in Hagåtña, sunrise is at 5:52 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 6:51 pm ChST.

Sunshine

The month with the most sunshine is June, with an average of 10.6h of sunshine.

UV index

January through August, October through December, with an average maximum UV index of 7, are months with the highest UV index in Hagåtña. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 7 in June transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in June in Hagåtña?

The average high-temperature, in June, in Hagåtña, is 84.6°F (29.2°C), while the average low-temperature is 83.3°F (28.5°C). In June, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 94.3°F (34.6°C).

What is the average humidity in June in Hagåtña?

In June, the average relative humidity in Hagåtña is 77%.

How many days does it rain in June in Hagåtña?

In Hagåtña, Guam, in June, during 25.4 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

What is the water temperature in June in Hagåtña?

In June, the average ocean temperature in Hagåtña is 84.7°F (29.3°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Hagåtña?

The month with the longest days is June, with an average of 12h and 55min of daylight.

What is the average length of the day in June in Hagåtña?

The average day length in June in Hagåtña, Guam, is 12h and 55min.

When are sunrise and sunset in June in Hagåtña?

In June, on the first day of the month, sunrise is at 5:52 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 6:51 pm ChST.

What month has the most sunshine in Hagåtña?

The month with the most sunshine is June, with an average of 10.6h of sunshine.

How long on average sun shines in June in Hagåtña?

The average sunshine duration in June is 10.6h.

What are the months with the highest UV index in Hagåtña?

The months with the highest UV index are January through August, October through December, with an average maximum UV index of 7.

What is the UV index reading in June in Hagåtña?

In June, the average daily maximum UV index in Hagåtña, Guam, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in June
Hagåtña, GU

Average temperature in June - Hagåtña, GU
  • Average high temperature in June: 84.6°F

The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is February (81.7°F).

  • Average low temperature in June: 83.3°F

The month with the highest average low temperature is June (83.3°F).
The coldest month (with the lowest average low temperature) is February (79.7°F).

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Average pressure in June
Hagåtña, GU

Average pressure in June - Hagåtña, GU
  • Average pressure in June: 29.84"Hg

The month with the highest atmospheric pressure is February (29.88"Hg).
The months with the lowest atmospheric pressure are August, September and October (29.79"Hg).

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Average wind speed in June
Hagåtña, GU

Average wind speed in June - Hagåtña, GU
  • Average wind speed in June: 11.6mph

The windiest month (with the highest average wind speed) is February (16.3mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

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Average humidity in June
Hagåtña, GU

Average humidity in June - Hagåtña, GU
  • Average humidity in June: 77%

The months with the highest relative humidity are January, March, April, May, October, November and December (78%).
The month with the lowest relative humidity is August (76%).

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Average rainfall in June
Hagåtña, GU

Average rainfall in June - Hagåtña, GU
  • Average rainfall in June: 3.7"

The wettest month (with the highest rainfall) is September (10.28").
The driest month (with the least rainfall) is March (1.81").

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Average rainfall days in June
Hagåtña, GU

Average rainfall days in June - Hagåtña, GU
  • Average rainfall days in June: 25.4 days

The months with the highest number of rainy days are July and August (28.9 days).
The month with the least rainy days is February (17.5 days).

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Average sea temperature in June
Hagåtña, GU

Average sea temperature in June - Hagåtña, GU
  • Average sea temperature in June: 84.8°F

The best month for swimming (with the highest average sea temperature) is August (85.4°F).
The coldest month (with the lowest average sea temperature) is February (82°F).

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Average daylight in June /
Average sunshine in June
Hagåtña, GU

Average daylight in June / Average sunshine in June - Hagåtña, GU
  • Average daylight in June: 12h and 55min

The month with the longest days is June (Average daylight: 12h and 55min).
The month with the shortest days is December (Average daylight: 11h and 21min).

  • Average sunshine in June: 10h and 36min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).

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Average sunshine days in June
Hagåtña, GU

Average sunshine days in June - Hagåtña, GU
  • Average sunshine days in June: 2.1 days

The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is September (1.1 days).

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Average UV index in June
Hagåtña, GU

Average UV index in June - Hagåtña, GU
  • Average UV index in June: 7

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

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Average cloud cover in June
Hagåtña, GU

Average cloud cover in June - Hagåtña, GU
  • Average cloud cover in June: 39

The months with the most cloud cover are January, August and October (Cloud cover 46).
The months with the least cloud cover are May and June (Cloud cover 39).

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Average visibility in June
Hagåtña, GU

Average visibility in June - Hagåtña, GU
  • 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).

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