The first month of the winter,
December, is still a warm month in
Lamphun,
Thailand, with an average temperature varying between 15.1°C (59.2°F) and 29.2°C (84.6°F).
Temperature
Lamphun notes the coldest temperatures in December, with a high average of 29.2°C (84.6°F) and a low of 15.1°C (59.2°F).
Heat index
For most parts of December, the heat index is calculated to be a hot 34°C (93.2°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In Lamphun, the average relative humidity in December is 75%.
Rainfall
In Lamphun, in December, during 1 rainfall days, 7mm (0.28") of precipitation is typically accumulated. In Lamphun, during the entire year, the rain falls for 108 days and collects up to 1004mm (39.53") of precipitation.
Daylight
December has the shortest days of the year in Lamphun, with an average of 11h and 0min of daylight.
On the first day of the month, sunrise is at 06:40 and sunset at 17:45. On the last day of December, sunrise is at 06:55 and sunset at 17:58 +07.