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 ideal sea water temperature of 26.8°C (80.2°F) and only 4.8 rainfall days, with 13mm (0.51") of accumulated rainfall, makes December the best time for swimming and other water activities.
Temperature
December's onset records a minor alteration in the average high-temperature to a still moderately hot 28.1°C (82.6°F) from November's 29°C (84.2°F). The temperature dips to an average of 22.1°C (71.8°F) during December nights.Heat index
The average heat index in December is computed to be a hot 31°C (87.8°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. 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 primarily vital for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In December, the average relative humidity in San Patricio, Mexico, is 69%.Rainfall
In San Patricio, in December, during 4.8 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In San Patricio, during the entire year, the rain falls for 135.5 days and collects up to 674mm (26.54") of precipitation.Sea temperature
In San Patricio, Mexico, in December, the average water temperature is 26.8°C (80.2°F).Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.
Daylight
With an average of 11h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:16 am and sunset at 6:19 pm. On the last day of December, in San Patricio, Mexico, sunrise is at 7:32 am and sunset at 6:32 pm CST.
Sunshine
In December, the average sunshine in San Patricio is 9.7h.UV index
January through March, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Alert! UV radiation becomes sharper due to reflections from sand and water.
Frequently asked questions
How hot does it get in San Patricio in December?
What is the average humidity in December in San Patricio?
How many days does it rain in December in San Patricio?
What is the water temperature in December in San Patricio?
What is the month with the shortest days in San Patricio?
What is the average length of the day in December in San Patricio?
What time are sunrise and sunset in December in San Patricio?
How many hours of sunshine does San Patricio have in December?
When is the lowest UV index in San Patricio?
How high is the UV index in December in San Patricio?
Average temperature in December
San Patricio, 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
San Patricio, 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
San Patricio, 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
San Patricio, 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
San Patricio, 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
San Patricio, 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
San Patricio, Mexico
- Average sea temperature in December: 26.8°C
The best month for swimming (with the highest average sea temperature) is August (29.8°C).
The coldest month (with the lowest average sea temperature) is March (24.9°C).
Average daylight in December /
Average sunshine in December
San Patricio, 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
San Patricio, 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
San Patricio, 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
San Patricio, 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
San Patricio, 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 Patricio, Mexico
Weather forecast for your location
2. Allow the app to use your location
