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 el Grande indicates an average high-temperature of a still moderately hot 23.5°C (74.3°F) in December, showing minor variation from November's 24.2°C (75.6°F). San Sebastián el Grande's December nights cool down significantly from the day's heat, to an average low-temperature of 9.9°C (49.8°F).Humidity
The average relative humidity in December in San Sebastián el Grande, Mexico, is 58%.Rainfall
In December, the rain falls for 3.2 days. Throughout December, 5mm (0.2") of precipitation is accumulated. Throughout the year, in San Sebastián el Grande, there are 136.3 rainfall days, and 630mm (24.8") of precipitation is accumulated.Daylight
The month with the shortest days in San Sebastián el Grande is December, with an average of 10h and 54min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 6:12 pm. On the last day of December, sunrise is at 7:29 am and sunset at 6:24 pm CST.
Sunshine
January, May and December, with an average of 9.8h of sunshine, are months with the most sunshine.UV index
The months with the lowest UV index are January, February, August through December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 5 in December transforms into this advice:
Exercise prevention - Warding off sunburn is urged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are December temperatures in San Sebastián el Grande?
What is the average humidity in December in San Sebastián el Grande?
How many days does it rain in December in San Sebastián el Grande?
What is the month with the shortest days in San Sebastián el Grande?
What is the average length of the day in December in San Sebastián el Grande?
When is the sunrise / sunset in December in San Sebastián el Grande?
What are the months with the most sunshine in San Sebastián el Grande?
How long on average sun shines in December in San Sebastián el Grande?
When is the lowest UV index in San Sebastián el Grande?
How high is the UV index in December in San Sebastián el Grande?
Average temperature in December
San Sebastián el Grande, Mexico
- Average high temperature in December: 23.5°C
The warmest month (with the highest average high temperature) is May (32.3°C).
The month with the lowest average high temperature is January (23.4°C).
- Average low temperature in December: 9.9°C
The month with the highest average low temperature is June (17.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).
Average pressure in December
San Sebastián el Grande, Mexico
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is January (1016.6mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).
Average wind speed in December
San Sebastián el Grande, Mexico
- Average wind speed in December: 5.4km/h
The windiest month (with the highest average wind speed) is April (8.1km/h).
The calmest month (with the lowest average wind speed) is July (4.8km/h).
Average humidity in December
San Sebastián el Grande, Mexico
- Average humidity in December: 58%
The month with the highest relative humidity is September (83%).
The month with the lowest relative humidity is April (36%).
Average rainfall in December
San Sebastián el Grande, Mexico
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is July (169mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in December
San Sebastián el Grande, Mexico
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is July (26.9 days).
The month with the least rainy days is April (1.8 days).
Average daylight in December /
Average sunshine in December
San Sebastián el Grande, 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 54min).
- Average sunshine in December: 9h and 5min
The months with the most sunshine are January, May and December (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 8h and 42min).
Average sunshine days in December
San Sebastián el Grande, Mexico
- Average sunshine days in December: 27.3 days
The month with the most sunshine days is April (27.8 days).
The month with the least sunshine days is July (2.5 days).
Average UV index in December
San Sebastián el Grande, Mexico
- Average UV index in December: 5
The month with the highest UV index is May (UV index 7).
The months with the lowest UV index are January, February, August, September, October, November and December (UV index 5).
Average cloud cover in December
San Sebastián el Grande, Mexico
- Average cloud cover in December: 12
The months with the most cloud cover are July and September (Cloud cover 44).
The months with the least cloud cover are March and April (Cloud cover 9).
Average visibility in December
San Sebastián el Grande, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The month with the lowest visibility is September (7km).
San Sebastián el Grande, Mexico
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