October weather forecast
Santa Rita, GU

In October, Santa Rita starts to slowly inch its way out of the rainy season, with rainfall dipping to 8.46" (215mm). The weather carries familiar warm temperatures whilst sea provides still warm waters. Sunlit hours continue their gradual dip, but provide enough room for outdoor adventures. Despite a decrease in rainfall days, the region's flora remains vibrantly green and fresh.

Temperature

As Santa Rita transitions into October, the average high-temperature stands at a still warm 84.4°F (29.1°C), offering no variation from the preceding month. A mean low-temperature of 82.6°F (28.1°C) is anticipated during the month of October in Santa Rita, a slight step down from the daytime high.

Heat index

In October, the heat index is appraised at a torrid 95°F (35°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

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

Rainfall

In October, the rain falls for 28.7 days. Throughout October, 8.46" (215mm) of precipitation is accumulated. In Santa Rita, Guam, during the entire year, the rain falls for 288.5 days and collects up to 60.08" (1526mm) of precipitation.

Ocean temperature

In Santa Rita, in October, the average water temperature is 85.1°F (29.5°C).
Note: A water temperature from 77°F (25°C) to 84.2°F (29°C) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.

Daylight

The average length of the day in October in Santa Rita is 11h and 50min.
On the first day of October, sunrise is at 6:10 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 5:54 pm ChST.

Sunshine

In October, the average sunshine in Santa Rita is 6.9h.

UV index

The months with the highest UV index in Santa Rita 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 vulnerability from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 7 in October leads to these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.