July weather forecast
Wattala, Sri Lanka

July, the same as June, is another warm summer month in Wattala, Sri Lanka, with an average temperature varying between 28.9°C (84°F) and 25.3°C (77.5°F).

Temperature

The months of July and August are noted for their lowest temperatures, with an average high-temperature of 28.9°C (84°F).

Heat index

In July, the average heat index is evaluated at a very hot 35°C (95°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The months with the highest humidity are June through August, with an average relative humidity of 83%.

Rainfall

In Wattala, in July, during 29.8 rainfall days, 256mm (10.08") of precipitation is typically accumulated. In Wattala, Sri Lanka, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.

Sea temperature

In Wattala, the average seawater temperature in July is 27.3°C (81.1°F).
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

In July, the average length of the day is 12h and 29min.
On the first day of July, sunrise is at 05:58 and sunset at 18:30. On the last day of the month, sunrise is at 06:03 and sunset at 18:29 +0530.

Sunshine

The average sunshine in July in Wattala is 7.6h.

UV index

The months with the highest UV index are January through April, July, September, November and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 7 in July translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Warning! The Sun's UV rays intensify with reflections from sand and water.