July weather forecastConstant Spring, Jamaica

Weather in July

July bears the brunt of the Jamaican heat, with the temperature peaking at 30°C (86°F) while the low being registered at 24.3°C (75.7°F). This month experiences a marginal decline in rainfall compared to June at 120mm (4.72") over 26.2 days. Moving from July's high heat towards a slightly cooler August, the weather remains genuinely tropical. With the help of 13.1 hours of daylight, the city offers remarkable views and memorable experiences.

Temperature

July's average high-temperature is a tropical 30°C (86°F), maintaining a close comparison with June's 29.3°C (84.7°F). In Constant Spring, an average temperature of 24.3°C (75.7°F) is noted during July nights.

Heat index

July's mean heat index is estimated at a sweltering 37°C (98.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index determinations are made taking into account the shade and light air movements. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In July, the average relative humidity in Constant Spring is 79%.

Rainfall

In Constant Spring, in July, it is raining for 26.2 days, with typically 120mm (4.72") of accumulated precipitation. In Constant Spring, during the entire year, the rain falls for 310.9 days and collects up to 1286mm (50.63") of precipitation.

Daylight

The average length of the day in July is 13h and 5min.
On the first day of the month, sunrise is at 05:35 and sunset at 18:46. On the last day of July, in Constant Spring, sunrise is at 05:45 and sunset at 18:41 EST.

Sunshine

In Constant Spring, the average sunshine in July is 10.6h.

UV index

The months with the highest UV index are June through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 7 during July translates into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.