December weather forecastCelestún, Mexico
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Celestún, Mexico, with an average temperature fluctuating between 26.7°C (80.1°F) and 21.8°C (71.2°F).Temperature
The transition from November to December sees an average high-temperature of a still warm 26.7°C (80.1°F), indicating a minor variance from the prior month. In Celestún, the month of December records an average minimum temperature of 21.8°C (71.2°F), a slight dip from the daily highs.Humidity
In December, the average relative humidity is 76%.Rainfall
In Celestún, in December, during 9.4 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Celestún, Mexico, during the entire year, the rain falls for 154.1 days and collects up to 532mm (20.94") of precipitation.Sea temperature
In Celestún, in December, the average water temperature is 24.7°C (76.5°F).Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 24.7°C (76.5°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)
Daylight
December has the shortest days of the year, with an average of 10h and 54min of daylight.On the first day of December, sunrise is at 6:22 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 5:31 pm CST.
Sunshine
The average sunshine in December is 6.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 6 in December interprets into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice! Sand and water reflections contribute to a stronger UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Celestún, Mexico
- Average high temperature in December: 26.7°C
The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (25.8°C).
- Average low temperature in December: 21.8°C
The month with the highest average low temperature is June (25.7°C).
The coldest month (with the lowest average low temperature) is January (20.7°C).
Average pressure in December
Celestún, Mexico
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is September (1011.8mbar).
Average wind speed in December
Celestún, Mexico
- Average wind speed in December: 18.3km/h
The windiest month (with the highest average wind speed) is March (20.9km/h).
The calmest month (with the lowest average wind speed) is September (15.9km/h).
Average humidity in December
Celestún, Mexico
- Average humidity in December: 76%
The month with the highest relative humidity is September (78%).
The months with the lowest relative humidity are March and April (71%).
Average rainfall in December
Celestún, Mexico
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is June (103mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in December
Celestún, Mexico
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is September (22.7 days).
The month with the least rainy days is February (4.8 days).
Average sea temperature in December
Celestún, Mexico
- Average sea temperature in December: 24.7°C
The best month for swimming (with the highest average sea temperature) is September (29.3°C).
The coldest month (with the lowest average sea temperature) is January (23.5°C).
Average daylight in December /
Average sunshine in December
Celestún, Mexico
- Average daylight in December: 10h and 54min
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: 6h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in December
Celestún, Mexico
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is March (24.8 days).
The month with the least sunshine days is September (4.7 days).
Average UV index in December
Celestún, Mexico
- Average UV index in December: 6
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in December
Celestún, Mexico
- Average cloud cover in December: 24
The month with the most cloud cover is January (Cloud cover 30).
The months with the least cloud cover are April and July (Cloud cover 19).
Average visibility in December
Celestún, 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).
