June weather forecast
Chiang Rai, Thailand

June in Chiang Rai brings a retreat from the sweltering heat of May, as the city enters the monsoon period. The scale of rainfall goes up to 178mm (7.01"), adding to the city’s verdant appeal. As compared to previous months, sunshine hours lessen, adding a cool temper to the month. Despite the increase in humidity, the rainfall cools down the temperature and it’s a welcome change for residents and visitors alike. For people interested in the rainy season and its charm, June presents a good time to visit Chiang Rai.

Temperature

The shift into June finds Chiang Rai at an average high-temperature of a still hot 32.1°C (89.8°F), closely comparable to May's conditions. An average temperature of 23.6°C (74.5°F) is recorded during the nights in June.

Heat index

The average heat index in June is appraised at a burning hot 45°C (113°F). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. 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 largely significant for babies and toddlers. 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.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in June is 80%.

Rainfall

In Chiang Rai, in June, it is raining for 19 days, with typically 178mm (7.01") of accumulated precipitation. In Chiang Rai, during the entire year, the rain falls for 137 days and collects up to 1691mm (66.57") of precipitation.

Daylight

June has the longest days of the year in Chiang Rai, with an average of 13h and 18min of daylight.
On the first day of June, sunrise is at 05:40 and sunset at 18:56. On the last day of the month, sunrise is at 05:44 and sunset at 19:03 +07.

Sunshine

The months with the least sunshine are June through August, with an average of 5h of sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In June, a daily UV index of 12 turns into the following recommendations:
Enforce every vital precaution. Those with light skin could endure burns in a matter of minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Following every swim or outdoor workout, a sunscreen with an SPF of not less than 30 should be liberally applied and re-applied frequently, even on overcast days.