July weather forecast
Vega Alta, PR

In Vega Alta, July sustains the high-temperature trend from June, with a minor increase in the low temperature. Despite the hot weather, July brings fewer sunshine hours compared to the preceding month. High relative humidity remains consistent during this period making the heat more palpable. The highest wind gusts recorded here peak at an impressive 14.4mph (23.2km/h), creating a breeze to moderate the searing temperatures. The weather conditions in July enable residents and tourists alike to enjoy the sun-drenched beaches.

Temperature

Vega Alta experiences a minor change to a still moderately hot 84.7°F (29.3°C) in average high-temperature during July, closely reflecting June. Vega Alta experiences an average nighttime temperature of 78.3°F (25.7°C) in July, reflecting a minor difference from the day's peak.

Heat index

For most parts of July, the heat index is estimated at a sweltering 95°F (35°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The months with the highest humidity in Vega Alta, Puerto Rico, are May through July and November, with an average relative humidity of 79%.

Rainfall

In Vega Alta, in July, during 16.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, in Vega Alta, there are 223.5 rainfall days, and 27.95" (710mm) of precipitation is accumulated.

Daylight

The average length of the day in July is 13h and 7min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:05 pm. On the last day of July, in Vega Alta, sunrise is at 6:03 am and sunset at 7:00 pm AST.

Sunshine

The average sunshine in July in Vega Alta is 10.2h.

UV index

May through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 7 during July, leads to the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.