Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
San Luis Acatlán experiences its coldest period in January and December, averaging a high-temperature of 29.6°C (85.3°F).Heat index
The heat index value for December is evaluated at a tropical 34°C (93.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In December, the average relative humidity in San Luis Acatlán is 68%.Rainfall
In December, the rain falls for 3.2 days. Throughout December, 5mm (0.2") of precipitation is accumulated. Throughout the year, in San Luis Acatlán, there are 139.4 rainfall days, and 701mm (27.6") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 6min of daylight.On the first day of December, sunrise is at 6:48 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:12 pm CST.
Sunshine
The average sunshine in December in San Luis Acatlán is 9.9h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 7 in December translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in San Luis Acatlán?
Is it hot in San Luis Acatlán during December?
What is the average humidity in December in San Luis Acatlán?
How many days does it rain in December in San Luis Acatlán?
What is the month with the shortest days in San Luis Acatlán?
How many hours of daylight does San Luis Acatlán have in December?
When are sunrise and sunset in December in San Luis Acatlán?
How many hours of sunshine does San Luis Acatlán have in December?
What are the months with the highest UV index in San Luis Acatlán?
What is the month with the lowest UV index in San Luis Acatlán?
What is the UV index intensity in December in San Luis Acatlán?
Average temperature in December
San Luis Acatlán, Mexico
- Average high temperature in December: 29.6°C
The warmest month (with the highest average high temperature) is May (31.5°C).
The months with the lowest average high temperature are January and December (29.6°C).
- Average low temperature in December: 23.1°C
The month with the highest average low temperature is June (25.3°C).
The coldest months (with the lowest average low temperature) are January and February (22.8°C).
Average pressure in December
San Luis Acatlán, Mexico
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is January (1013.3mbar).
The month with the lowest atmospheric pressure is May (1010.8mbar).
Average wind speed in December
San Luis Acatlán, Mexico
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is June (9.8km/h).
The calmest month (with the lowest average wind speed) is December (7.8km/h).
Average humidity in December
San Luis Acatlán, Mexico
- Average humidity in December: 68%
The months with the highest relative humidity are September and October (77%).
The months with the lowest relative humidity are March and April (62%).
Average rainfall in December
San Luis Acatlán, Mexico
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is September (190mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in December
San Luis Acatlán, Mexico
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is August (24.5 days).
The month with the least rainy days is February (1.1 days).
Average daylight in December /
Average sunshine in December
San Luis Acatlán, Mexico
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 9h and 5min
The months with the most sunshine are March and April (Average sunshine: 10h and 0min).
The month with the least sunshine is September (Average sunshine: 8h and 48min).
Average sunshine days in December
San Luis Acatlán, Mexico
- Average sunshine days in December: 26 days
The month with the most sunshine days is March (29.3 days).
The month with the least sunshine days is August (5 days).
Average UV index in December
San Luis Acatlán, Mexico
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
San Luis Acatlán, Mexico
- Average cloud cover in December: 9
The month with the most cloud cover is September (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 8).
Average visibility in December
San Luis Acatlán, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
