December weather forecastAcapulco, Mexico
December
Weather in December
December is the second-driest month in Acapulco following March, with the least rainfall of just 4mm (0.16"). Temperature drops marginally compared to November, yet it continues to maintain the city's warmth. Clear skies and high visibility makes it a perfect month for sightseeing without interruptions. The sea temperature is still warm enough for swimming and other water activities, attracting holiday-makers. The overall mild and pleasant conditions provides a perfect end to the year in this tropical paradise.Temperature
The coldest period tends to be December, when average temperatures fluctuate between a high of 29.3°C (84.7°F) and a low of 22.9°C (73.2°F).Heat index
The average heat index in December is evaluated at a hot 33°C (91.4°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
In Acapulco, the average relative humidity in December is 68%.Rainfall
In Acapulco, Mexico, in December, during 3.2 rainfall days, 4mm (0.16") of precipitation is typically accumulated. Throughout the year, in Acapulco, there are 144.3 rainfall days, and 800mm (31.5") of precipitation is accumulated.Sea temperature
In Acapulco, the average seawater temperature in December is 28.8°C (83.8°F).Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.
Daylight
The month with the shortest days is December, with an average of 11h and 6min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 6:04 pm. On the last day of December, in Acapulco, sunrise is at 7:08 am and sunset at 6:16 pm CST.
Sunshine
In Acapulco, the average sunshine in December is 9.9h.UV index
The months with the highest UV index in Acapulco are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Acapulco are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 7 in December interprets into the following advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Acapulco, Mexico
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is May (31.3°C).
The month with the lowest average high temperature is December (29.3°C).
- Average low temperature in December: 22.9°C
The month with the highest average low temperature is June (25.3°C).
The coldest months (with the lowest average low temperature) are January and February (22.5°C).
Average pressure in December
Acapulco, Mexico
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is January (1013.2mbar).
The month with the lowest atmospheric pressure is May (1010.7mbar).
Average wind speed in December
Acapulco, Mexico
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is June (9.4km/h).
The calmest month (with the lowest average wind speed) is December (7.6km/h).
Average humidity in December
Acapulco, Mexico
- Average humidity in December: 68%
The months with the highest relative humidity are September and October (77%).
The months with the lowest relative humidity are March and April (62%).
Average rainfall in December
Acapulco, Mexico
- Average rainfall in December: 4mm
The wettest month (with the highest rainfall) is September (225mm).
The driest month (with the least rainfall) is April (0mm).
Average rainfall days in December
Acapulco, Mexico
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is September (25.8 days).
The month with the least rainy days is February (0.9 days).
Average sea temperature in December
Acapulco, Mexico
- Average sea temperature in December: 28.8°C
The best month for swimming (with the highest average sea temperature) is August (30°C).
The coldest month (with the lowest average sea temperature) is March (27.7°C).
Average daylight in December /
Average sunshine in December
Acapulco, Mexico
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 9h and 54min
The months with the most sunshine are March and April (Average sunshine: 10h and 0min).
The month with the least sunshine is September (Average sunshine: 8h and 48min).
Average sunshine days in December
Acapulco, Mexico
- Average sunshine days in December: 26.5 days
The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is September (3.2 days).
Average UV index in December
Acapulco, Mexico
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Acapulco, Mexico
- Average cloud cover in December: 9
The month with the most cloud cover is September (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 7).
Average visibility in December
Acapulco, 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).
