July weather forecast
Santhiveli, Sri Lanka

July, like June, is another tropical summer month in Santhiveli, Sri Lanka, with an average temperature fluctuating between 32.6°C (90.7°F) and 26.1°C (79°F).

Temperature

July brings an average high-temperature of a still hot 32.6°C (90.7°F), nearly identical to the preceding month. In July, the average low-temperature is a warm 26.1°C (79°F).

Heat index

July's average heat index is calculated to be a scorching 41°C (105.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The months with the lowest humidity in Santhiveli are June and July, with an average relative humidity of 68%.

Rainfall

In July, the rain falls for 17.1 days. Throughout July, 41mm (1.61") of precipitation is accumulated. In Santhiveli, during the entire year, the rain falls for 237.8 days and collects up to 1259mm (49.57") of precipitation.

Daylight

In July, the average length of the day is 12h and 32min.
On the first day of July in Santhiveli, sunrise is at 05:50 and sunset at 18:24. On the last day of the month, sunrise is at 05:56 and sunset at 18:24 +0530.

Sunshine

In July, the average sunshine is 11.7h.

UV index

The months with the highest UV index are January through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 7 during July translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.