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
The arrival of December brings an average high-temperature of a still moderately hot 27.6°C (81.7°F), subtly diverging from November's 28.5°C (83.3°F). During December, Cobá records a consistent average nighttime temperature of 22.2°C (72°F).Heat index
December's heat index is estimated at a hot 31°C (87.8°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In Cobá, Mexico, the average relative humidity in December is 78%.Rainfall
In Cobá, in December, during 18.5 rainfall days, 47mm (1.85") of precipitation is typically accumulated. In Cobá, during the entire year, the rain falls for 210.8 days and collects up to 810mm (31.89") of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 54min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 6:09 pm. On the last day of December, sunrise is at 7:26 am and sunset at 6:21 pm EST.
Sunshine
In Cobá, the average sunshine in December is 8.4h.UV index
January, February, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Cobá have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Cobá, Mexico
- Average high temperature in December: 27.6°C
The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (26.7°C).
- Average low temperature in December: 22.2°C
The month with the highest average low temperature is August (26°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).
Average pressure in December
Cobá, Mexico
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is January (1017.4mbar).
The month with the lowest atmospheric pressure is September (1012.3mbar).
Average wind speed in December
Cobá, Mexico
- Average wind speed in December: 11.4km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).
Average humidity in December
Cobá, Mexico
- Average humidity in December: 78%
The months with the highest relative humidity are June and October (80%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Cobá, Mexico
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is June (139mm).
The driest month (with the least rainfall) is March (21mm).
Average rainfall days in December
Cobá, Mexico
- Average rainfall days in December: 18.5 days
The month with the highest number of rainy days is September (23.2 days).
The month with the least rainy days is April (11.3 days).
Average daylight in December /
Average sunshine in December
Cobá, Mexico
- Average daylight in December: 10h and 5min
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: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).
Average sunshine days in December
Cobá, Mexico
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is September (4.8 days).
Average UV index in December
Cobá, Mexico
- Average UV index in December: 6
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover in December
Cobá, Mexico
- Average cloud cover in December: 35
The month with the most cloud cover is June (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Cobá, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (10km).
The month with the lowest visibility is October (9km).
