February showcases a subtle waning of the cool season in
Chiang Mai. It is a month of a sun-filled sky, with temperatures on the rise, compared to
January. The rainfall remains low as dry conditions continue, with a relative humidity of 58%, the second lowest in the year. The lengthening daylight hours indicate the approaching summer. Visitors to Chiang Mai in February will likely encounter a pleasant and dry weather, ideal for outdoor activities and sightseeing.
Temperature
Chiang Mai sees the arrival of February with an average high-temperature of a hot 32.6°C (90.7°F), indicating a subtle variation from January. February nights report a substantial dip from daytime highs to an average of 16.2°C (61.2°F).
Heat index
The average heat index in February is evaluated at a fiery hot 38°C (100.4°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. 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 particularly relevant to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In February, the average relative humidity is 58%.
Rainfall
In February, in Chiang Mai, the rain falls for 2 days. Throughout February, 9mm (0.35") of precipitation is accumulated. Throughout the year, there are 113 rainfall days, and 1131mm (44.53") of precipitation is accumulated.
Daylight
In Chiang Mai, the average length of the day in February is 11h and 32min.
On the first day of February in Chiang Mai, sunrise is at 06:57 and sunset at 18:17. On the last day of the month, sunrise is at 06:43 and sunset at 18:29 +07.
Sunshine
The month with the most sunshine in Chiang Mai is February, with an average of 9h of sunshine.
UV index
In February, the average daily maximum UV index in Chiang Mai is 11. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 11 during February translates into the following guidance:
Take all necessary precautions, as unprotected skin can burn in minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Despite the overcast weather, sunscreen with SPF of at least 30 should be applied liberally and reapplied often, particularly after swimming or an outdoor workout.