December weather forecastEl Cayaco, Mexico
December
Weather in December
The first month of the winter, December, is still a warm month in El Cayaco, Mexico, with an average temperature ranging between max 29.6°C (85.3°F) and min 23.1°C (73.6°F).Temperature
Lowest temperatures are observed in January and December, averaging a high-temperature of 29.6°C (85.3°F).Heat index
The average heat index in December is appraised at a tropical 34°C (93.2°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In December, the average relative humidity in El Cayaco is 68%.Rainfall
In El Cayaco, in December, during 3.2 rainfall days, 5mm (0.2") of precipitation is typically accumulated. Throughout the year, 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 the month, sunrise is at 6:52 am and sunset at 6:04 pm. On the last day of December, sunrise is at 7:08 am and sunset at 6:16 pm CST.
Sunshine
In December, the average sunshine is 9.9h.UV index
The months with the highest UV index in El Cayaco 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 in El Cayaco, Mexico. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
El Cayaco, 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
El Cayaco, 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
El Cayaco, 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
El Cayaco, 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
El Cayaco, 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
El Cayaco, 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
El Cayaco, Mexico
- Average daylight in December: 11h and 6min
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 54min
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
El Cayaco, 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
El Cayaco, 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
El Cayaco, 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
El Cayaco, 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).





