July weather forecastUlster Spring, Jamaica

Weather in July

July, the same as June, is another warm summer month in Ulster Spring, Jamaica, with an average temperature fluctuating between 29.9°C (85.8°F) and 21.8°C (71.2°F).

Temperature

The arrival of July marks a slight shift to an average high-temperature of a still warm 29.9°C (85.8°F) from June's 29.3°C (84.7°F). In July, the nighttime temperature in Ulster Spring lowers to an average of 21.8°C (71.2°F).

Heat index

During July, the heat index is estimated at a torrid 38°C (100.4°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. 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. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The months with the lowest humidity are March and July, with an average relative humidity of 81%.

Rainfall

In Ulster Spring, during July, the rain falls for 23.4 days and regularly aggregates up to 117mm (4.61") of precipitation. In Ulster Spring, during the entire year, the rain falls for 297.9 days and collects up to 1472mm (57.95") of precipitation.

Daylight

In Ulster Spring, the average length of the day in July is 13h and 6min.
On the first day of the month, sunrise is at 05:37 and sunset at 18:50. On the last day of July, sunrise is at 05:48 and sunset at 18:44 EST.

Sunshine

The months with the most sunshine in Ulster Spring are July and August, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the UV index of 7 transforms into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.