During
August,
Yan'an experiences a slight dip in temperatures, dropping to 28.2°C (82.8°F) from
July's record high. The reduced heat accompanied by a minor decrease in daylight hours indicates the approaching end of summer. August also experiences the year's highest levels of humidity, making the weather considerably muggy. As rainfall continues in full swing, the city maintains its verdant appeal despite the humidity.
Temperature
With the onset of August, Yan'an's average high-temperature clocks in at a still warm 28.2°C (82.8°F), showing a minor fluctuation from the previous month. August witnesses an average nighttime temperature of 16.7°C (62.1°F).
Heat index
The heat index value for August is evaluated at a hot 32°C (89.6°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
August and
September, with an average relative humidity of 74%, are the most humid months.
Rainfall
August is the month with the most rainfall. Rain falls for 11.8 days and accumulates 118mm (4.65") of precipitation.
Daylight
In August, the average length of the day is 13h and 32min.
On the first day of August in Yan'an, sunrise is at 05:48 and sunset at 19:48. On the last day of the month, sunrise is at 06:12 and sunset at 19:11 CST.
Sunshine
In Yan'an, the average sunshine in August is 6.9h.