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 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
Temperature
San Sebastián Coatlán's December showcases an average high-temperature of a still moderately hot 29°C (84.2°F), hardly distinct from November's 29.4°C (84.9°F). December nights in San Sebastián Coatlán cool down to an average low-temperature of 21°C (69.8°F).Heat index
In December, the heat index is appraised at a hot 32°C (89.6°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Realize that the values for the heat index are set for shaded places and light winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In December, the average relative humidity in San Sebastián Coatlán is 67%.Rainfall
December is the month with the least rainfall. Rain falls for 3.2 days and accumulates 2mm (0.08") of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 12min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 5:53 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:06 pm CST.
Sunshine
In December, the average sunshine in San Sebastián Coatlán is 8.7h.UV index
January, August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in San Sebastián Coatlán. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 6 in December translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
Is it hot in San Sebastián Coatlán during December?
What is the average humidity in December in San Sebastián Coatlán?
What is the driest month in San Sebastián Coatlán?
How much does it rain in San Sebastián Coatlán in December?
What is the month with the shortest days in San Sebastián Coatlán?
What is the average length of the day in December in San Sebastián Coatlán?
When are sunrise and sunset in December in San Sebastián Coatlán?
How many hours of sunshine does San Sebastián Coatlán have in December?
What are the months with the lowest UV index in San Sebastián Coatlán?
How high is the UV index in December in San Sebastián Coatlán?
Average temperature in December
San Sebastián Coatlán, Mexico
- Average high temperature in December: 29°C
The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (28.9°C).
- Average low temperature in December: 21°C
The month with the highest average low temperature is May (24.6°C).
The coldest months (with the lowest average low temperature) are January and December (21°C).
Average pressure in December
San Sebastián Coatlán, Mexico
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is May (1011.5mbar).
Average wind speed in December
San Sebastián Coatlán, Mexico
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is April (8.9km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).
Average humidity in December
San Sebastián Coatlán, Mexico
- Average humidity in December: 67%
The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is March (63%).
Average rainfall in December
San Sebastián Coatlán, Mexico
- Average rainfall in December: 2mm
The wettest month (with the highest rainfall) is September (160mm).
The driest month (with the least rainfall) is December (2mm).
Average rainfall days in December
San Sebastián Coatlán, Mexico
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is September (27.5 days).
The months with the least rainy days are January and February (3.1 days).
Average daylight in December /
Average sunshine in December
San Sebastián Coatlán, Mexico
- Average daylight in December: 11h and 1min
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 12min).
- Average sunshine in December: 8h and 4min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in December
San Sebastián Coatlán, Mexico
- Average sunshine days in December: 26 days
The month with the most sunshine days is December (26 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in December
San Sebastián Coatlán, Mexico
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July and September (UV index 7).
The months with the lowest UV index are January, August, October, November and December (UV index 6).
Average cloud cover in December
San Sebastián Coatlán, Mexico
- Average cloud cover in December: 9
The month with the most cloud cover is September (Cloud cover 37).
The months with the least cloud cover are February and December (Cloud cover 9).
Average visibility in December
San Sebastián Coatlán, 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).
San Sebastián Coatlán, Mexico
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