May weather forecast
Santa Rita, GU

In Santa Rita, May serves as a precursor to the wet season that lies ahead, with the highest recorded rainfall, from the year start, of 3.31" (84mm). The city revels in a warm temperature blanket that makes walking through its streets an enjoyable experience. The daylight time extends further into the evening and the sea takes on an even warmer hue. With increased humidity comes the richness of tropical flora, offering an unforgettable spectacle of natural beauty.

Temperature

May's commencement in Santa Rita is accompanied by an average high-temperature of a still moderately hot 84.2°F (29°C), diverging marginally from April's 82.9°F (28.3°C). Santa Rita records a mild decrease in temperature during the nights of May, averaging a still warm 82.2°F (27.9°C).

Heat index

The heat index in May is appraised at a tropical 93.2°F (34°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

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

Rainfall

In May, the rain falls for 23.1 days. Throughout May, 3.31" (84mm) of precipitation is accumulated. In Santa Rita, 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 May, the average water temperature is 84°F (28.9°C).
Note: Water temperature from 77°F (25°C) to 84.2°F (29°C) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.

Daylight

The average length of the day in May is 12h and 45min.
On the first day of May, sunrise is at 5:59 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:44 pm ChST.

Sunshine

The average sunshine in May in Santa Rita is 10.5h.

UV index

The months with the highest UV index in Santa Rita, Guam, 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 health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 in May translates into this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Notice! The Sun's UV exposure elevates with sand and water reflections.