July weather forecast
Changshu, China

Deep into the throes of summer, July brings the peak of hot weather to Changshu, China. This time of year the city experiences not only the hottest temperatures, with a high reaching 31.6°C (88.9°F), but also the highest levels of relative humidity at 81%. Despite these high readings, July offers a respite as the city moves past the peak of its rainy season. With the intense sun and hot temperatures dominating, outdoor enthusiasts should prepare accordingly. Although the winds begin to calm, the high humidity necessitates indoor activities and proper hydration.

Temperature

As Changshu transitions into July, the average high-temperature stands at a hot 31.6°C (88.9°F), offering little variation from the preceding month. Changshu reports an average low-temperature of 24.5°C (76.1°F) during the nights of July.

Heat index

In July, the average heat index is calculated to be a scorching 43°C (109.4°F). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

July through September, with an average relative humidity of 81%, are the most humid months.

Rainfall

July is the month with the most rainfall. Rain falls for 19.6 days and accumulates 98mm (3.86") of precipitation.

Snowfall

In Changshu, snow does not fall in April through November.

Daylight

The average length of the day in July is 13h and 59min.
On the first day of the month, sunrise is at 04:55 and sunset at 19:06. On the last day of July, in Changshu, sunrise is at 05:12 and sunset at 18:54 CST.

Sunshine

In Changshu, the average sunshine in July is 8.9h.

UV index

July is the month with the highest UV index in Changshu, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 7 in July translates into these instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.