July weather forecast
Kalmunai, Sri Lanka

July continues the summer trend ceasing the downward shift witnessed in June. The weather pattern is near-identical to June, with only minor fluctuations in temperature and rainfall. This relative stability in weather parameters creates a predictable climate, featuring typical characteristics of a tropical summer. The month's predictability allows residents to plan outdoor activities with certainty, providing a window of consistency amidst an otherwise fluctuating climate.

Temperature

July's beginning signals an average high-temperature of a still hot 32.6°C (90.7°F), barely different from June's 33°C (91.4°F). In Kalmunai, the expected average low-temperature for July is a moderately hot 26.1°C (79°F).

Heat index

The heat index in July is estimated at a blistering 41°C (105.8°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. 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.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

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

Rainfall

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

Sea temperature

In Kalmunai, the average seawater temperature in July is 28.8°C (83.8°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

In July, the average length of the day in Kalmunai is 12h and 31min.
On the first day of the month, sunrise is at 05:50 and sunset at 18:23. On the last day of July, in Kalmunai, sunrise is at 05:55 and sunset at 18:22 +0530.

Sunshine

The average sunshine in July in Kalmunai, Sri Lanka, is 11.7h.

UV index

The months with the highest UV index in Kalmunai are January through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 in July transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Warning! Sand and water reflections boost the intensity of UV exposure.