December weather forecastIxtapa, Mexico
December
Weather in December
December, the first month of the winter in Ixtapa, is also a moderately hot month, with an average temperature varying between 28.6°C (83.5°F) and 23.3°C (73.9°F).An excellent water temperature of 28.5°C (83.3°F) and only 4.1 rainfall days, with 5mm (0.2") of accumulated rainfall, makes December a prime for swimming and other water activities.
Temperature
Temperatures in Ixtapa reach their minimum during February and December, recording an average high-temperature of 28.6°C (83.5°F).Heat index
December's heat index is calculated to be a tropical 32°C (89.6°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in December in Ixtapa is 69%.Rainfall
In December, in Ixtapa, the rain falls for 4.1 days. Throughout December, 5mm (0.2") of precipitation is accumulated. Throughout the year, in Ixtapa, there are 151.4 rainfall days, and 610mm (24.02") of precipitation is accumulated.Sea temperature
In December, the average sea temperature in Ixtapa is 28.5°C (83.3°F).Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.
Daylight
December has the shortest days of the year in Ixtapa, Mexico, with an average of 11h and 6min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 6:10 pm. On the last day of December, sunrise is at 7:16 am and sunset at 6:22 pm CST.
Sunshine
The months with the most sunshine in Ixtapa are February through May and December, with an average of 9.9h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 7 during December translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice! The reflection of water and sand increases the UV radiation significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ixtapa, Mexico
- Average high temperature in December: 28.6°C
The warmest month (with the highest average high temperature) is May (30.1°C).
The months with the lowest average high temperature are February and December (28.6°C).
- Average low temperature in December: 23.3°C
The month with the highest average low temperature is August (25.4°C).
The coldest month (with the lowest average low temperature) is February (22.4°C).
Average pressure in December
Ixtapa, Mexico
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is January (1013.4mbar).
The months with the lowest atmospheric pressure are May, June and September (1010.6mbar).
Average wind speed in December
Ixtapa, Mexico
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is September (9.4km/h).
The calmest months (with the lowest average wind speed) are November and December (7.8km/h).
Average humidity in December
Ixtapa, Mexico
- Average humidity in December: 69%
The months with the highest relative humidity are September and October (77%).
The month with the lowest relative humidity is April (61%).
Average rainfall in December
Ixtapa, Mexico
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is September (157mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in December
Ixtapa, Mexico
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is July (25.7 days).
The month with the least rainy days is March (2.1 days).
Average sea temperature in December
Ixtapa, Mexico
- Average sea temperature in December: 28.5°C
The best months for swimming (with the highest average sea temperature) are July and August (30.2°C).
The coldest month (with the lowest average sea temperature) is March (26.3°C).
Average daylight in December /
Average sunshine in December
Ixtapa, 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: 9h and 54min
The months with the most sunshine are February, March, April, May and December (Average sunshine: 9h and 54min).
The months with the least sunshine are July, August and September (Average sunshine: 9h and 0min).
Average sunshine days in December
Ixtapa, Mexico
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is March (28.8 days).
The month with the least sunshine days is September (1.6 days).
Average UV index in December
Ixtapa, 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
Ixtapa, Mexico
- Average cloud cover in December: 10
The month with the most cloud cover is September (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 7).
Average visibility in December
Ixtapa, 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).





