April weather forecast
Agat, GU

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Weather in April

April maintains the consistent weather pattern observed in Agat with no significant change in temperature or humidity. A continuation of increasing daylight hours provides more opportunities for enjoying outdoor activities, particularly between sunrise and sunset. April, however, shows a notable increase in rainfall totaling 2.44" (62mm) in comparison to the previous month. As we move towards May, the patterns shift towards the beginnings of a wetter and hotter summer with a slight increase in temperature and rainfall.

Temperature

As Agat steps into April, the average high-temperature is measured at a still warm 82.9°F (28.3°C), displaying minor differences from March's 82°F (27.8°C). During April, Agat's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of 81.1°F (27.3°C).

Heat index

The heat index in April is calculated to be a hot 91.4°F (33°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

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

Rainfall

In Agat, in April, it is raining for 19.3 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 288.5 rainfall days, and 60.08" (1526mm) of precipitation is accumulated.

Daylight

In Agat, the average length of the day in April is 12h and 26min.
On the first day of April, sunrise is at 6:17 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 6:36 pm ChST.

Sunshine

The average sunshine in April is 8.5h.

UV index

The months with the highest UV index in Agat are January through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in April, converts into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

Is it hot in Agat during April?

In April, the average high-temperature and low-temperature are 82.9°F (28.3°C) and 81.1°F (27.3°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in April is calculated to be 91.4°F (33°C).

What are the most humid months in Agat?

January, March through May, October through December, with an average relative humidity of 78%, are most humid months in Agat.

What is the average humidity in April in Agat?

In Agat, Guam, the average relative humidity in April is 78%.

How many days does it rain in April in Agat?

In Agat, during April, the rain falls for 19.3 days and regularly aggregates up to 2.44" (62mm) of precipitation.

What is the average length of the day in April in Agat?

In April, the average day length in Agat is 12h and 26min.

What time are sunrise and sunset in April in Agat?

On the first day of April in Agat, sunrise is at 6:17 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 6:36 pm ChST.

How many hours of sunshine does Agat have in April?

In April, the average sunshine duration in Agat, Guam, is 8.5h.

What is the month with the highest UV index in Agat?

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

How high is the UV index in April in Agat?

In Agat, Guam, the average daily maximum UV index in April is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe 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 April
Agat, GU

Average temperature in April - Agat, 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
Agat, GU

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

Average wind speed in April - Agat, 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
Agat, GU

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

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 April
Agat, GU

Average rainfall in April - Agat, 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
Agat, GU

Average rainfall days in April - Agat, GU
  • Average rainfall days in April: 19.3 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 daylight in April /
Average sunshine in April
Agat, GU

Average daylight in April / Average sunshine in April - Agat, GU
  • Average daylight in April: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in April: 8h and 3min

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 April
Agat, GU

Average sunshine days in April - Agat, 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
Agat, GU

Average UV index in April - Agat, GU
  • Average UV index in April: 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 April
Agat, GU

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

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 April
Agat, GU

Average visibility in April - Agat, GU
  • Average visibility in April: 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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Agat, Guam, USA

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