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
Temperature
The temperature hits its lowest levels in January and December, recording an average high-temperature of 29.3°C (84.7°F).Heat index
December's average heat index is appraised at a tropical 33°C (91.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The average relative humidity in December is 66%.Rainfall
In San Blas, Mexico, during December, the rain falls for 5.4 days and regularly aggregates up to 14mm (0.55") of precipitation. In San Blas, during the entire year, the rain falls for 106.3 days and collects up to 439mm (17.28") of precipitation.Sea temperature
In San Blas, Mexico, in December, the average water temperature is 24.4°C (75.9°F).Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 24.4°C (75.9°F) waters. (As an aside, Olympic swimming standards dictate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
The month with the shortest days is December, with an average of 10h and 48min of daylight.On the first day of December, sunrise is at 6:23 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 5:29 pm MST.
Sunshine
January, November and December, with an average of 7.4h of sunshine, are months with the least sunshine in San Blas.UV index
The months with the lowest UV index are January through April, August, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during December translates into the following guidance:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be wary! Reflections from sand and water make UV radiation more intense.
Frequently asked questions
What is the coldest month in San Blas?
How hot is it in San Blas in December?
What is the average humidity in December in San Blas?
How much does it rain in San Blas in December?
What is the water temperature in December in San Blas?
What is the month with the shortest days in San Blas?
How many hours of daylight does San Blas have in December?
When is the sunrise / sunset in December in San Blas?
What is the month with the least sunshine in San Blas?
How many hours of sunshine does San Blas have in December?
What is the month with the lowest UV index in San Blas?
What is the UV index reading in December in San Blas?
Average temperature in December
San Blas, Mexico
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is May (34°C).
The months with the lowest average high temperature are January and December (29.3°C).
- Average low temperature in December: 17.2°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is February (16.2°C).
Average pressure in December
San Blas, Mexico
- Average pressure in December: 1014.8mbar
The month with the highest atmospheric pressure is January (1015.4mbar).
The month with the lowest atmospheric pressure is September (1011.5mbar).
Average wind speed in December
San Blas, Mexico
- Average wind speed in December: 5.9km/h
The windiest month (with the highest average wind speed) is May (7.8km/h).
The calmest month (with the lowest average wind speed) is December (5.9km/h).
Average humidity in December
San Blas, Mexico
- Average humidity in December: 66%
The month with the highest relative humidity is September (79%).
The months with the lowest relative humidity are March and April (58%).
Average rainfall in December
San Blas, Mexico
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is August (117mm).
The driest month (with the least rainfall) is April (0mm).
Average rainfall days in December
San Blas, Mexico
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is August (22 days).
The month with the least rainy days is April (0.7 days).
Average sea temperature in December
San Blas, Mexico
- Average sea temperature in December: 24.4°C
The best month for swimming (with the highest average sea temperature) is August (30.7°C).
The coldest month (with the lowest average sea temperature) is February (23.3°C).
Average daylight in December /
Average sunshine in December
San Blas, Mexico
- Average daylight in December: 10h and 5min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 7h and 24min).
Average sunshine days in December
San Blas, Mexico
- Average sunshine days in December: 25.2 days
The month with the most sunshine days is April (29.7 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in December
San Blas, Mexico
- Average UV index in December: 6
The months with the highest UV index are May, June, July, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, August, November and December (UV index 6).
Average cloud cover in December
San Blas, Mexico
- Average cloud cover in December: 14
The month with the most cloud cover is August (Cloud cover 41).
The month with the least cloud cover is May (Cloud cover 9).
Average visibility in December
San Blas, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, November and December (10km).
The months with the lowest visibility are August, September and October (9km).
San Blas, Mexico
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