April weather forecast
Dededo, GU

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Weather in April

April sees a rise in temperature and rainfall from 82°F (27.8°C) to 82.9°F (28.3°C) and 1.81" (46mm) to 2.44" (62mm) respectively. The increase of rain and higher temperatures suggest the coming of a warmer season. While the consistent humidity persists, the increase of daylight hours encourage more outdoor activities. The harmony between the ocean breeze and the warm tropical sun creates a perfect sense of balance. As April showers begin to sprinkle, the lush landscapes of Dededo start to flourish, evidencing the vibrant spirit of the island in full bloom.

Temperature

The onset of April manifests an average high-temperature of a still warm 82.9°F (28.3°C), demonstrating a minor variation from the preceding month. April nights experience a minor temperature downturn to a still moderately hot 81.1°F (27.3°C).

Heat index

April's average heat index is evaluated at a tropical 91.4°F (33°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
In reference to the heat index, it's for places in shade and with a slight wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

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

Rainfall

In Dededo, in April, it is raining for 19.3 days, with typically 2.44" (62mm) of accumulated precipitation. In Dededo, during the entire year, the rain falls for 288.5 days and collects up to 60.08" (1526mm) of precipitation.

Daylight

The average length of the day in April is 12h and 26min.
On the first day of the month, sunrise is at 6:16 am and sunset at 6:32 pm. On the last day of April, sunrise is at 5:59 am and sunset at 6:36 pm ChST.

Sunshine

In Dededo, the average sunshine in April is 8.5h.

UV index

The months with the highest UV index in Dededo 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 health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the UV index of 7 transforms into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in April?

The average high-temperature, in April, in Dededo, is 82.9°F (28.3°C), while the average low-temperature is 81.1°F (27.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in April is evaluated at 91.4°F (33°C).

What is the most humid month?

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

What is the average humidity in April in Dededo?

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

How many days does it rain in April?

In Dededo, in April, during 19.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

How many hours of daylight does Dededo have in April?

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

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:16 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:36 pm ChST.

How long on average sun shines in April?

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

What is the month with the highest UV index?

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

How high is the UV index in April?

In April, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health threat 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 April
Dededo, GU

Average temperature in April - Dededo, 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).

Average pressure in April
Dededo, GU

Average pressure in April - Dededo, 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).

Average wind speed in April
Dededo, GU

Average wind speed in April - Dededo, 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).

Average humidity in April
Dededo, GU

Average humidity in April - Dededo, 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%).

Average rainfall in April
Dededo, GU

Average rainfall in April - Dededo, 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").

Average rainfall days in April
Dededo, GU

Average rainfall days in April - Dededo, 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).

Average daylight in April /
Average sunshine in April
Dededo, GU

Average daylight in April / Average sunshine in April - Dededo, 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 18min).

  • 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).

Average sunshine days in April
Dededo, GU

Average sunshine days in April - Dededo, 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).

Average UV index in April
Dededo, GU

Average UV index in April - Dededo, 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).

Average cloud cover in April
Dededo, GU

Average cloud cover in April - Dededo, 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).

Average visibility in April
Dededo, GU

Average visibility in April - Dededo, 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).

Dededo, Guam, USA

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