July stands as the warmest month in
Yan'an, with the mercury peaking at a high of 29.7°C (85.5°F). The city equips itself to endure the sweltering heat with an accompanying surge in humidity levels. Despite the heat, the daylight hours slightly decrease starting this month, presenting slightly shorter days. The paramount rainfall level in July brings about recurrent showers, infusing a certain chill into the otherwise heated atmosphere.
Temperature
In Yan'an, July is the warmest month, with temperatures averaging a high of 29.7°C (85.5°F) and a low of 17.8°C (64°F).
Heat index
Throughout July, the heat index is evaluated at a tropical 34°C (93.2°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
The average relative humidity in July is 70%.
Rainfall
In Yan'an, in July, it is raining for 13.3 days, with typically 112mm (4.41") of accumulated precipitation. In Yan'an, during the entire year, the rain falls for 81.6 days and collects up to 511mm (20.12") of precipitation.
Daylight
The average length of the day in July is 14h and 23min.
On the first day of July, sunrise is at 05:27 and sunset at 20:04. On the last day of the month, sunrise is at 05:47 and sunset at 19:49 CST.
Sunshine
In Yan'an, the average sunshine in July is 7.2h.