July weather forecast
Dehianga, Sri Lanka

July, the same as June, is another warm summer month in Dehianga, Sri Lanka, with an average temperature varying between 21.4°C (70.5°F) and 29.3°C (84.7°F).

Temperature

The dawn of July registers an average high temperature of a still warm 29.3°C (84.7°F), nearly the same as the 29.3°C (84.7°F) observed in June. Throughout July nights, Dehianga registers an average low-temperature of 21.4°C (70.5°F).

Heat index

The heat index for July is evaluated at a fiery hot 35°C (95°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In Dehianga, the average relative humidity in July is 77%.

Rainfall

In Dehianga, in July, during 24.3 rainfall days, 88mm (3.46") of precipitation is typically accumulated. In Dehianga, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

The average length of the day in July is 12h and 30min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:27. On the last day of July, sunrise is at 06:00 and sunset at 18:27 +0530.

Sunshine

In Dehianga, the average sunshine in July is 10.2h.

UV index

January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 6 in July translates into this advice:
Deter overexposure. Protecting against the sun's effects is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.