October weather forecast
Dededo, GU

October marks the commencement of a declining phase in precipitation, as the rainfall decreases to 8.46" (215mm). The temperature follows a similar pattern, reducing to 84.2°F (29°C) from 84.4°F (29.1°C). October provides an opportunity to enjoy the pristine beauty of Guam as the weather starts to dry out. Botanically, it's a month that allows the tropical vegetation to display its vivid colors and assortment of scents. The picturesque weather conditions paint a beautiful backdrop for outdoor activities.

Temperature

Dededo's average high-temperature in October is on par with the preceding month. During the nights of October, Dededo records an average temperature of 82.6°F (28.1°C), a minor drop from daytime peaks.

Heat index

The heat index in October is evaluated at a sweltering 95°F (35°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air 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. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

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

Rainfall

In Dededo, in October, it is raining for 28.7 days, with typically 8.46" (215mm) of accumulated precipitation. Throughout the year, there are 288.5 rainfall days, and 60.08" (1526mm) of precipitation is accumulated.

Daylight

The average length of the day in October is 11h and 50min.
On the first day of October, sunrise is at 6:09 am and sunset at 6:10 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 5:53 pm ChST.

Sunshine

The average sunshine in October is 6.9h.

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 value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in October interprets into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely.