July weather forecast
Guánica, PR

July, positioned mid-year, continues with the wet season characteristics, evident in high rainfall figures and peak temperatures. With a peak high temperature of 86.4°F (30.2°C), it joins the warmest months of the year. Though one might expect the showers to put a damper on outdoor activities, the reality is that the rain often enhances the beauty of Guánica's natural reserves and creates unique sights. Furthermore, the rain showers, combined with balmy sea temperatures, provide refreshing relief from the sultry afternoons. Even under these humid conditions, the phenomenal natural and cultural attractions that Puerto Rico boasts remain accessible and enticing.

Temperature

During July, Guánica records an average high-temperature of a hot 86.4°F (30.2°C), marking a slight divergence from June's 85.8°F (29.9°C). Throughout July, Guánica's nights cool down to an average of 76.6°F (24.8°C).

Heat index

Throughout July, the heat index is calculated to be a torrid 98.6°F (37°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 especially vital to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In July, the average relative humidity is 77%.

Rainfall

In Guánica, during July, the rain falls for 18.3 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 224.9 rainfall days, and 23.58" (599mm) of precipitation is accumulated.

Snowfall

In Guánica, Puerto Rico, snow does not fall in January through August, October through December.

Ocean temperature

In Guánica, in July, the average water temperature is 83.5°F (28.6°C).
Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 77°F (25°C) to 84.2°F (29°C), without any unpleasant sensations for prolonged durations.

Daylight

In July, the average length of the day is 13h and 5min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:07 pm. On the last day of July, in Guánica, sunrise is at 6:06 am and sunset at 7:02 pm AST.

Sunshine

The average sunshine in July is 9.9h.

UV index

The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 7 in July translates into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert! The reflection of water and sand augments UV radiation intensity.