July in
Chiang Rai is known for its highest rainfall, measuring at 311mm (12.24"), making it the wettest month of the year. As the destination is in full swing of the rainy season, there are fewer daylight hours. The persistent rainfall brings about a mystical aura, transforming the city into a moist and green paradise. Humidity is at its peak, but the continuous rain keeps the overall temperature in check. For people who enjoy the monsoons, this is the month to witness Chiang Rai in its most authentic form.
Temperature
Chiang Rai's July reports an average high-temperature of a still tropical 31.1°C (88°F), exhibiting a minor difference from
June. The nights of July anticipate an average low-temperature of 23.4°C (74.1°F).
Heat index
The average heat index in July is appraised at an extremely hot 42°C (107.6°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In July, the average relative humidity is 82%.
Rainfall
In Chiang Rai, in July, it is raining for 22 days, with typically 311mm (12.24") of accumulated precipitation. Throughout the year, in Chiang Rai, there are 137 rainfall days, and 1691mm (66.57") of precipitation is accumulated.
Daylight
In July, the average length of the day is 13h and 12min.
On the first day of July, sunrise is at 05:45 and sunset at 19:04. On the last day of the month, sunrise is at 05:56 and sunset at 18:58 +07.
Sunshine
The months with the least sunshine are June through
August, with an average of 5h of sunshine.
UV index
The months with the highest UV index are
March through
September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 12 in July interprets into the following recommendations:
Employ every crucial safety step. Those with fair skin could experience burns in a matter of minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Regardless of cloud cover, it's recommended to apply generously and reapply often a sunscreen with an SPF of at least 30, especially after swimming or any outdoor activity.