December weather forecastMazatán, Mexico
December
Weather in December
December, the first month of the winter in Mazatán, is still a warm month, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 29.8°C (85.6°F).Temperature
In the transition from November to December, Mazatán reports an average high-temperature of a moderately hot 29.8°C (85.6°F), indicating a close resemblance to the prior month. December nights are marked by an average temperature drop to an agreeable 22.2°C (72°F).Heat index
December's mean heat index is estimated at a tropical 34°C (93.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
In December, the average relative humidity is 66%.Rainfall
In Mazatán, in December, it is raining for 6.7 days, with typically 15mm (0.59") of accumulated precipitation. In Mazatán, during the entire year, the rain falls for 227 days and collects up to 1231mm (48.46") of precipitation.Daylight
December has the shortest days of the year in Mazatán, with an average of 11h and 18min of daylight.On the first day of December in Mazatán, sunrise is at 6:19 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 5:51 pm CST.
Sunshine
In Mazatán, the average sunshine in December is 7.6h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Mazatán, Mexico, are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 7 translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mazatán, Mexico
- Average high temperature in December: 29.8°C
The warmest month (with the highest average high temperature) is April (31.8°C).
The month with the lowest average high temperature is October (29.7°C).
- Average low temperature in December: 22.2°C
The month with the highest average low temperature is May (25.1°C).
The coldest months (with the lowest average low temperature) are January and December (22.2°C).
Average pressure in December
Mazatán, Mexico
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).
Average wind speed in December
Mazatán, Mexico
- Average wind speed in December: 6.7km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is November (6.4km/h).
Average humidity in December
Mazatán, Mexico
- Average humidity in December: 66%
The months with the highest relative humidity are September and October (76%).
The months with the lowest relative humidity are January, February and March (63%).
Average rainfall in December
Mazatán, Mexico
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is May (244mm).
The driest month (with the least rainfall) is January (6mm).
Average rainfall days in December
Mazatán, Mexico
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (29.1 days).
The month with the least rainy days is January (3.9 days).
Average daylight in December /
Average sunshine in December
Mazatán, Mexico
- Average daylight in December: 11h and 18min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in December: 7h and 36min
The months with the most sunshine are May and July (Average sunshine: 11h and 12min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).
Average sunshine days in December
Mazatán, Mexico
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (0.6 days).
Average UV index in December
Mazatán, 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
Mazatán, Mexico
- Average cloud cover in December: 11
The month with the most cloud cover is September (Cloud cover 38).
The months with the least cloud cover are January and December (Cloud cover 11).
Average visibility in December
Mazatán, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, July, October, November and December (10km).
The months with the lowest visibility are May, August and September (9km).
