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 sea temperature 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
Weather in December
The perfect water temperature of 27°C (80.6°F) with 13mm (0.51") of accumulated rainfall and only 4.8 rainfall days, makes December a great period for swimming and other water activities.
Temperature
Manzanillo starts December with an average high-temperature of a still warm 28.1°C (82.6°F), hinting at a minimal fluctuation from November. Manzanillo registers a consistent average low-temperature of 22.1°C (71.8°F) during December.Heat index
December's heat index is evaluated at a tropical 31°C (87.8°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In December, the average relative humidity in Manzanillo is 69%.Rainfall
In Manzanillo, in December, during 4.8 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Manzanillo, during the entire year, the rain falls for 135.5 days and collects up to 674mm (26.54") of precipitation.Sea temperature
In Manzanillo, in December, the average water temperature is 27°C (80.6°F).Note: Water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are warm and delightful, ensuring comfort during water activities over extended periods.
Daylight
The month with the shortest days is December, with an average of 11h and 0min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 6:18 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 6:30 pm CST.
Sunshine
The average sunshine in December in Manzanillo is 9.7h.UV index
The months with the lowest UV index in Manzanillo, Mexico, are January through March, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 6 translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Frequently asked questions
How hot is December in Manzanillo?
What is the average humidity in December in Manzanillo?
How much does it rain in Manzanillo in December?
How warm is the water in December in Manzanillo?
What is the month with the shortest days in Manzanillo?
How many hours of daylight does Manzanillo have in December?
When are sunrise and sunset in December in Manzanillo?
How many hours of sunshine does Manzanillo have in December?
What are the months with the lowest UV index in Manzanillo?
How high is the UV index in December in Manzanillo?
Average temperature in December
Manzanillo, Mexico
- Average high temperature in December: 28.1°C
The warmest month (with the highest average high temperature) is July (30.3°C).
The month with the lowest average high temperature is February (27.6°C).
- Average low temperature in December: 22.1°C
The months with the highest average low temperature are July and August (25.3°C).
The coldest month (with the lowest average low temperature) is February (21.3°C).
Average pressure in December
Manzanillo, Mexico
- Average pressure in December: 1013.5mbar
The month with the highest atmospheric pressure is January (1014.1mbar).
The month with the lowest atmospheric pressure is September (1011mbar).
Average wind speed in December
Manzanillo, Mexico
- Average wind speed in December: 8km/h
The windiest months (with the highest average wind speed) are August and September (10km/h).
The calmest month (with the lowest average wind speed) is December (8km/h).
Average humidity in December
Manzanillo, Mexico
- Average humidity in December: 69%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is April (64%).
Average rainfall in December
Manzanillo, Mexico
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is September (180mm).
The driest month (with the least rainfall) is April (0mm).
Average rainfall days in December
Manzanillo, Mexico
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is March (1.3 days).
Average sea temperature in December
Manzanillo, Mexico
- Average sea temperature in December: 27°C
The best month for swimming (with the highest average sea temperature) is August (29.9°C).
The coldest month (with the lowest average sea temperature) is March (25.2°C).
Average daylight in December /
Average sunshine in December
Manzanillo, Mexico
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 9h and 4min
The months with the most sunshine are March and April (Average sunshine: 9h and 54min).
The months with the least sunshine are August and September (Average sunshine: 8h and 54min).
Average sunshine days in December
Manzanillo, Mexico
- Average sunshine days in December: 25.4 days
The month with the most sunshine days is April (29.6 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in December
Manzanillo, Mexico
- Average UV index in December: 6
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).
Average cloud cover in December
Manzanillo, Mexico
- Average cloud cover in December: 11
The month with the most cloud cover is September (Cloud cover 34).
The months with the least cloud cover are March and April (Cloud cover 8).
Average visibility in December
Manzanillo, 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).
Manzanillo, Mexico
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