December weather forecastSayil, Mexico
December
Weather in December
The first month of the winter, December, is still a warm month in Sayil, Mexico, with an average temperature varying between 19.5°C (67.1°F) and 29.1°C (84.4°F).Temperature
With the onset of December, a modest change to a still moderately hot 29.1°C (84.4°F) from November's 29.6°C (85.3°F) is noted in high-temperature. The average low-temperature of 19.5°C (67.1°F) is witnessed in Sayil during December.Heat index
In December, the average heat index is calculated to be a tropical 34°C (93.2°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The average relative humidity in December is 75%.Rainfall
In Sayil, in December, it is raining for 11.5 days, with typically 24mm (0.94") of accumulated precipitation. In Sayil, during the entire year, the rain falls for 167.3 days and collects up to 536mm (21.1") of precipitation.Daylight
With an average of 10h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:18 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 5:30 pm CST.
Sunshine
The average sunshine in December is 6.3h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sayil, 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
Sayil, 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
Sayil, 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 (10.6km/h).
Average humidity in December
Sayil, 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
Sayil, Mexico
- Average rainfall in December: 24mm
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
Sayil, Mexico
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is September (20.4 days).
The months with the least rainy days are February and March (7.2 days).
Average daylight in December /
Average sunshine in December
Sayil, Mexico
- Average daylight in December: 10h and 54min
The month with the longest days is June (Average daylight: 13h and 18min).
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
Sayil, 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 October (8.5 days).
Average UV index in December
Sayil, Mexico
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, November and December (UV index 6).
Average cloud cover in December
Sayil, Mexico
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 25).
Average visibility in December
Sayil, 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).
