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
As November turns into December, the average high-temperatures rest at a still warm 26.9°C (80.4°F), showing a minor variation from the prior month. Nighttime temperature reflects an average dip to a still warm 23.5°C (74.3°F) in December, subtly cooler than its daytime highs.Humidity
The average relative humidity in December in Isla Mujeres is 76%.Rainfall
In Isla Mujeres, during December, the rain falls for 18.8 days and regularly aggregates up to 50mm (1.97") of precipitation. In Isla Mujeres, during the entire year, the rain falls for 219.4 days and collects up to 737mm (29.02") of precipitation.Sea temperature
In December, the average sea temperature in Isla Mujeres is 27°C (80.6°F).Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.
Daylight
With an average of 10h and 54min of daylight, December has the shortest days of the year in Isla Mujeres.On the first day of December, sunrise is at 7:08 am and sunset at 6:04 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 6:16 pm EST.
Sunshine
In Isla Mujeres, the average sunshine in December is 8.4h.UV index
January, February, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Isla Mujeres. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Isla Mujeres?
What is the average humidity in December in Isla Mujeres?
How much does it rain in Isla Mujeres in December?
What is the water temperature in December in Isla Mujeres?
What is the month with the shortest days in Isla Mujeres?
What is the average length of the day in December in Isla Mujeres?
What time are sunrise and sunset in December in Isla Mujeres?
How long on average sun shines in December in Isla Mujeres?
When is the lowest UV index in Isla Mujeres?
What is the UV index reading in December in Isla Mujeres?
Average temperature in December
Isla Mujeres, Mexico
- Average high temperature in December: 26.9°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (25.9°C).
- Average low temperature in December: 23.5°C
The month with the highest average low temperature is August (27.1°C).
The coldest month (with the lowest average low temperature) is January (22.2°C).
Average pressure in December
Isla Mujeres, Mexico
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).
Average wind speed in December
Isla Mujeres, Mexico
- Average wind speed in December: 17.2km/h
The windiest month (with the highest average wind speed) is March (19.1km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).
Average humidity in December
Isla Mujeres, Mexico
- Average humidity in December: 76%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Isla Mujeres, Mexico
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is October (115mm).
The driest month (with the least rainfall) is March (19mm).
Average rainfall days in December
Isla Mujeres, Mexico
- Average rainfall days in December: 18.8 days
The month with the highest number of rainy days is October (23.8 days).
The month with the least rainy days is April (11.3 days).
Average sea temperature in December
Isla Mujeres, Mexico
- Average sea temperature in December: 27°C
The best months for swimming (with the highest average sea temperature) are July, August, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (26°C).
Average daylight in December /
Average sunshine in December
Isla Mujeres, 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: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 42min).
Average sunshine days in December
Isla Mujeres, Mexico
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is April (13.5 days).
The month with the least sunshine days is October (3.6 days).
Average UV index in December
Isla Mujeres, 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
Isla Mujeres, Mexico
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in December
Isla Mujeres, 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).
Isla Mujeres, Mexico
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