April weather forecast
Hagåtña, GU

The climate in April remains harmonious with earlier months, earning Hagåtña the honour of year-round tropical paradise. Whether exploring the city's heritage or devouring its culinary treats, the weather in April ensures a pleasant experience. Bountiful showers are still a presence as spirits remain high in anticipation of the upcoming dry season. The recorded rainfall surges slightly to 2.44" (62mm) spaced out over 19.3 days. As the city transitions from spring, a discernible change in the landscape paints a mesmerising canvas of colours and textures.

Temperature

Hagåtña's April reports an average high-temperature of a still warm 82.9°F (28.3°C), exhibiting a minor difference from March. April nighttime temperatures in Hagåtña hover close to the daytime peak with an average of 81.1°F (27.3°C).

Heat index

The average heat index in April is computed to be a tropical 91.4°F (33°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing 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 Hagåtña, in April, during 19.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Hagåtña, Guam, 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 is 82.9°F (28.3°C).
Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

The average length of the day in April in Hagåtña 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 Hagåtña, the average sunshine in April 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 of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 in April interprets into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the 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. Caution! Sand and water reflections can notably increase the UV radiation intensity.