July weather forecastChengmai, China

Weather in July

July, the same as June, in Chengmai, China, is another hot summer month, with an average temperature fluctuating between 31.9°C (89.4°F) and 26.8°C (80.2°F).

Temperature

The arrival of July sees an average high-temperature of a still hot 31.9°C (89.4°F), hardly diverging from June's 32.4°C (90.3°F). In Chengmai, the average temperature during the nights of July drops to a warm 26.8°C (80.2°F).

Heat index

For July, the heat index is estimated at a scorching 43°C (109.4°F). Take caution: Heat exhaustion and heat cramps are probable. Heatstroke may be imminent with ongoing effort.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

June, July, October and December, with an average relative humidity of 78%, are the least humid months.

Rainfall

In Chengmai, China, in July, it is raining for 20.8 days, with typically 99mm (3.9") of accumulated precipitation. In Chengmai, during the entire year, the rain falls for 202.3 days and collects up to 810mm (31.89") of precipitation.

Daylight

In Chengmai, the average length of the day in July is 13h and 11min.
On the first day of the month, sunrise is at 06:04 and sunset at 19:23. On the last day of July, in Chengmai, sunrise is at 06:15 and sunset at 19:17 CST.

Sunshine

In Chengmai, the average sunshine in July is 8.7h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in July interprets into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.