July weather forecast
Dediyawala, Sri Lanka

July, like June, in Dediyawala, Sri Lanka, is another warm summer month, with temperature in the range of an average high of 28.7°C (83.7°F) and an average low of 25.6°C (78.1°F).

Temperature

Dediyawala in July witnesses an average high-temperature of a still warm 28.7°C (83.7°F), indicating a slight variation from June's 29.2°C (84.6°F). July notes an average low temperature of 25.6°C (78.1°F), subtly down from the daytime highs.

Heat index

July's mean heat index is computed to be a fiery hot 35°C (95°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

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

Rainfall

In July, the rain falls for 29.5 days. Throughout July, 260mm (10.24") of precipitation is accumulated. Throughout the year, there are 273.8 rainfall days, and 2059mm (81.06") of precipitation is accumulated.

Daylight

The average length of the day in July is 12h and 28min.
On the first day of the month, sunrise is at 05:59 and sunset at 18:29. On the last day of July, sunrise is at 06:04 and sunset at 18:28 +0530.

Sunshine

In Dediyawala, the average sunshine in July is 7.8h.

UV index

The months with the highest UV index in Dediyawala are January through April, July, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, a daily maximum UV index of 7 leads to the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.