December weather forecastCacalchén, Mexico
December
Weather in December
December, the first month of the winter in Cacalchén, is still a warm month, with an average temperature varying between 19.5°C (67.1°F) and 29.1°C (84.4°F).Temperature
December's average high-temperature is a still warm 29.1°C (84.4°F), maintaining a close comparison with November's 29.6°C (85.3°F). During the month of December, Cacalchén's nighttime temperature lowers to an average of 19.5°C (67.1°F).Heat index
The heat index in December is evaluated at a tropical 34°C (93.2°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In December, the average relative humidity is 75%.Rainfall
In Cacalchén, in December, it is raining for 11.5 days, with typically 23mm (0.91") of accumulated precipitation. In Cacalchén, during the entire year, the rain falls for 167.9 days and collects up to 542mm (21.34") of precipitation.Daylight
December has the shortest days of the year in Cacalchén, with an average of 10h and 54min of daylight.On the first day of the month, sunrise is at 6:17 am and sunset at 5:14 pm. On the last day of December, sunrise is at 6:33 am and sunset at 5:26 pm CST.
Sunshine
In Cacalchén, Mexico, the average sunshine in December is 6.3h.UV index
The months with the lowest UV index are January, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 during December translates into the following directions:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cacalchén, Mexico
- Average high temperature in December: 29.1°C
The warmest month (with the highest average high temperature) is May (35.4°C).
The month with the lowest average high temperature is January (28.1°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is June (24.3°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in December
Cacalchén, Mexico
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is January (1017.6mbar).
The month with the lowest atmospheric pressure is September (1011.9mbar).
Average wind speed in December
Cacalchén, Mexico
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is March (16.1km/h).
The calmest month (with the lowest average wind speed) is September (10.4km/h).
Average humidity in December
Cacalchén, Mexico
- Average humidity in December: 75%
The months with the highest relative humidity are September and October (78%).
The months with the lowest relative humidity are April and May (63%).
Average rainfall in December
Cacalchén, Mexico
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is June (99mm).
The driest months (with the least rainfall) are February and March (12mm).
Average rainfall days in December
Cacalchén, Mexico
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is September (21 days).
The months with the least rainy days are February and March (7.2 days).
Average daylight in December /
Average sunshine in December
Cacalchén, Mexico
- Average daylight in December: 10h and 54min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in December: 6h and 18min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Cacalchén, Mexico
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is March (21.8 days).
The month with the least sunshine days is September (8.2 days).
Average UV index in December
Cacalchén, Mexico
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in December
Cacalchén, Mexico
- Average cloud cover in December: 33
The months with the most cloud cover are January and September (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 25).
Average visibility in December
Cacalchén, Mexico
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May and June (10km).
The month with the lowest visibility is September (8km).





