April weather forecast and climate
Hagåtña, GU

Weather in April

April, the same as March, is another warm spring month in Hagåtña, Guam, with average temperature ranging between min 81.1°F (27.3°C) and max 82.9°F (28.3°C).

Temperature

In Hagåtña, the average high-temperature is practically the same as in March - a still moderately hot 82.9°F (28.3°C). In April, in Hagåtña, the average low-temperature is 81.1°F (27.3°C).

Heat index

In April, the average heat index is evaluated at a tropical 90.5°F (32.5°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values 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 calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, differences in body mass, height, and shape, clothing, and pregnancy affect individual temperature impact. 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 particularly important for children. 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

Months with the highest humidity are January, March through May, October through December, with an average relative humidity of 78%.

Rainfall

In April, in Hagåtña, the rain falls for 19.3 days. Throughout April, 2.44" (62mm) of precipitation is accumulated. 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 April, the average ocean temperature in Hagåtña, Guam, is 82.9°F (28.3°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

The average length of the day in April is 12.4h.

Sunshine

In Hagåtña, the average sunshine is 8.5h.

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 risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 7 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in April in Hagåtña?

In April, in Hagåtña, Guam, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 81.1°F (27.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that calculates temperature value influenced by the moisture in the air, in April is estimated at 90.5°F (32.5°C).

What is the most humid month in Hagåtña?

Months with the highest humidity in Hagåtña are January, March through May, October through December, with an average relative humidity of 78%.

What is the average humidity in April in Hagåtña?

The average relative humidity in April in Hagåtña, Guam, is 78%.

How many days does it rain in April in Hagåtña?

In Hagåtña, in April, it is raining for 19.3 days, with typically 2.44" (62mm) of accumulated precipitation.

How warm is the water in April in Hagåtña?

In Hagåtña, in April, the average water temperature is 82.9°F (28.3°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.

How many hours of daylight does Hagåtña have in April?

In Hagåtña, the average length of the day in April is 12.4h.

How many hours of sunshine does Hagåtña have in April?

The average sunshine in April in Hagåtña, Guam, is 8.5h.

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

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

How high is the UV index in April in Hagåtña?

In Hagåtña, Guam, the average daily maximum UV index in April is 7. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.

Average temperature in April
Hagåtña, GU

Average temperature in April - Hagåtña, GU
  • Average high temperature in April: 82.9°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 April: 81.1°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 April
Hagåtña, GU

Average pressure in April - Hagåtña, GU
  • Average pressure in April: 29.86"

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

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Average wind speed in April
Hagåtña, GU

Average wind speed in April - Hagåtña, GU
  • Average wind speed in April: 13.7mph

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 April
Hagåtña, GU

Average humidity in April - Hagåtña, GU
  • Average humidity in April: 78%

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 April
Hagåtña, GU

Average rainfall in April - Hagåtña, GU
  • Average rainfall in April: 2.44"

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 April
Hagåtña, GU

Average rainfall days in April - Hagåtña, GU
  • Average rainfall days in April: 19.3 days

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 April
Hagåtña, GU

Average sea temperature in April - Hagåtña, GU
  • Average sea temperature in April: 82.9°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 April /
Average sunshine in April
Hagåtña, GU

Average daylight in April / Average sunshine in April - Hagåtña, GU
  • Average daylight in April: 12.4h

The month with the longest days is June (Average daylight: 12.9h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in April: 8.5h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is November (Average sunshine: 6.3h).

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Average sunshine days in April
Hagåtña, GU

Average sunshine days in April - Hagåtña, GU
  • Average sunshine days in April: 5.8 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 April
Hagåtña, GU

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

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 April
Hagåtña, GU

Average cloud cover in April - Hagåtña, GU
  • Average cloud cover in April: 40

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

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Average visibility in April
Hagåtña, GU

Average visibility in April - Hagåtña, GU
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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