June weather forecast
Dededo, GU

In June, a distinctive wet season begins for Dededo, Guam. A slight temperature increase to 84.6°F (29.2°C) coincides with a notable increase in rainfall to 3.7" (94mm). Despite increased moisture level, daylight hours reach their peak, providing ample opportunities for outdoor activities. The harmonious coexistence of rainfall with sunshine manifests in vibrant rainbows, enchanting every passerby with their splendor. As the island is treated with warm showers, navigating through the lush tropical plantation becomes a refreshing experience.

Temperature

Dededo's average high-temperature marks a still warm 84.6°F (29.2°C) with the advent of June, closely mirroring that of the preceding month. Dededo registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 83.3°F (28.5°C) during June.

Heat index

For June, the heat index is evaluated at a very hot 95°F (35°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

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

Rainfall

In Dededo, in June, it is raining for 25.4 days, with typically 3.7" (94mm) 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

June has the longest days of the year, with an average of 12h and 54min of daylight.
On the first day of June, sunrise is at 5:52 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 6:51 pm ChST.

Sunshine

With an average of 10.6h of sunshine, June has the most sunshine of the year.

UV index

The months with the highest UV index are January through August, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 7 during June leads to these advisories:
Ward off overexposure. Defence against solar harm is crucial. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.