December weather forecastCoatzacoalcos, Mexico
December weather forecast for Coatzacoalcos, Mexico: The first month of the winter, December, is also a moderately hot month in Coatzacoalcos, Mexico, with an average temperature ranging between max 25.6°C (78.1°F) and min 20.4°C (68.7°F). The month with the shortest days in Coatzacoalcos is December, with an average of 11h and 6min of daylight.
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Coatzacoalcos, Mexico, with an average temperature ranging between max 25.6°C (78.1°F) and min 20.4°C (68.7°F).Temperature
December is marked by an average high-temperature of a still moderately hot 25.6°C (78.1°F), almost identical to the preceding month. An average temperature of 20.4°C (68.7°F) is recorded during the nights in December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 84%.Rainfall
In December, the rain falls for 15.5 days. Throughout December, 58mm (2.28") of precipitation is accumulated. In Coatzacoalcos, during the entire year, the rain falls for 212.4 days and collects up to 1053mm (41.46") of precipitation.Sea temperature
In December, the average sea temperature is 25°C (77°F).Note: For water activities like swimming, diving, and more, temperatures ranging between 25°C (77°F) and 29°C (84.2°F) offer superior comfort and enjoyment for lengthy durations.
Daylight
The month with the shortest days in Coatzacoalcos is December, with an average of 11h and 6min of daylight.On the first day of December, sunrise is at 6:33 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:53 pm CST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 6 in December leads to these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing. Attention! UV radiation is markedly stronger with water and sand reflections.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coatzacoalcos, Mexico
- Average high temperature in December: 25.6°C
The warmest month (with the highest average high temperature) is May (33.1°C).
The month with the lowest average high temperature is January (24.7°C).
- Average low temperature in December: 20.4°C
The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is January (19.3°C).
Average pressure in December
Coatzacoalcos, Mexico
- Average pressure in December: 1016mbar
The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is May (1010.8mbar).
Average wind speed in December
Coatzacoalcos, Mexico
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is January (11.3km/h).
The calmest month (with the lowest average wind speed) is September (8.5km/h).
Average humidity in December
Coatzacoalcos, Mexico
- Average humidity in December: 84%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Coatzacoalcos, Mexico
- Average rainfall in December: 58mm
The wettest month (with the highest rainfall) is October (170mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Coatzacoalcos, Mexico
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is September (26 days).
The month with the least rainy days is April (7.5 days).
Average sea temperature in December
Coatzacoalcos, Mexico
- Average sea temperature in December: 25°C
The best month for swimming (with the highest average sea temperature) is August (29.4°C).
The coldest month (with the lowest average sea temperature) is February (23.4°C).
Average daylight in December /
Average sunshine in December
Coatzacoalcos, Mexico
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Coatzacoalcos, Mexico
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is April (21.5 days).
The month with the least sunshine days is September (1.8 days).
Average UV index in December
Coatzacoalcos, 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 month with the lowest UV index is January (UV index 5).
Average cloud cover in December
Coatzacoalcos, Mexico
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is April (Cloud cover 22).
Average visibility in December
Coatzacoalcos, Mexico
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July and August (10km).
The months with the lowest visibility are January, February, September, October, November and December (9km).





