July weather forecastMannivakkam, India

Weather in July

July, the same as June, in Mannivakkam, India, is a hot rainy (monsoon) season month, with an average temperature ranging between max 34.3°C (93.7°F) and min 28.3°C (82.9°F).

Temperature

The transition into July marks the average high-temperature at a hot 34.3°C (93.7°F), differing minimally from June's 35.7°C (96.3°F). Mannivakkam encounters a steady low-temperature average of 28.3°C (82.9°F) throughout the month of July.

Heat index

During July, the heat index is calculated to be a blistering 43°C (109.4°F). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. 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. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in July is 61%.

Rainfall

In Mannivakkam, in July, during 21.2 rainfall days, 71mm (2.8") of precipitation is typically accumulated. In Mannivakkam, during the entire year, the rain falls for 169.2 days and collects up to 825mm (32.48") of precipitation.

Daylight

The average length of the day in July is 12h and 48min.
On the first day of July in Mannivakkam, sunrise is at 5:47 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:36 pm IST.

Sunshine

In July, the average sunshine in Mannivakkam is 10.5h.

UV index

The months with the highest UV index are April through July, with an average maximum UV index of 8. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 8 during July translates into the following directions:
Always safeguard yourself; without protection, skin and eyes can get damaged instantly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.