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
The arrival of December sees a recorded average high-temperature of a still warm 29°C (84.2°F), showing little divergence from the previous month's conditions. In San Juan Colorado, the average low-temperature during the month of December is a pleasant 21°C (69.8°F).Heat index
Throughout December, the heat index is computed to be a tropical 32°C (89.6°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In December, the average relative humidity in San Juan Colorado is 67%.Rainfall
The month with the least rainfall in San Juan Colorado is December, when the rain falls for 3.2 days and typically collects 2mm (0.08") of precipitation.Daylight
With an average of 11h and 12min of daylight, December has the shortest days of the year in San Juan Colorado, Mexico.On the first day of the month, sunrise is at 6:44 am and sunset at 5:57 pm. On the last day of December, in San Juan Colorado, Mexico, sunrise is at 7:00 am and sunset at 6:10 pm CST.
Sunshine
In San Juan Colorado, the average sunshine in December is 8.7h.UV index
January, August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in San Juan Colorado. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in San Juan Colorado during December?
What is the average humidity in December in San Juan Colorado?
What is the driest month in San Juan Colorado?
How much does it rain in San Juan Colorado in December?
What is the month with the shortest days in San Juan Colorado?
How many hours of daylight does San Juan Colorado have in December?
When is the sunrise / sunset in December in San Juan Colorado?
How long on average sun shines in December in San Juan Colorado?
What are the months with the lowest UV index in San Juan Colorado?
How high is the UV index in December in San Juan Colorado?
Average temperature in December
San Juan Colorado, Mexico
- Average high temperature in December: 29°C
The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (28.9°C).
- Average low temperature in December: 21°C
The month with the highest average low temperature is May (24.6°C).
The coldest months (with the lowest average low temperature) are January and December (21°C).
Average pressure in December
San Juan Colorado, Mexico
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is May (1011.5mbar).
Average wind speed in December
San Juan Colorado, Mexico
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is April (8.9km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).
Average humidity in December
San Juan Colorado, Mexico
- Average humidity in December: 67%
The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is March (63%).
Average rainfall in December
San Juan Colorado, Mexico
- Average rainfall in December: 2mm
The wettest month (with the highest rainfall) is September (160mm).
The driest month (with the least rainfall) is December (2mm).
Average rainfall days in December
San Juan Colorado, Mexico
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is September (27.5 days).
The months with the least rainy days are January and February (3.1 days).
Average daylight in December /
Average sunshine in December
San Juan Colorado, Mexico
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in December: 8h and 4min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in December
San Juan Colorado, Mexico
- Average sunshine days in December: 26 days
The month with the most sunshine days is December (26 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in December
San Juan Colorado, Mexico
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July and September (UV index 7).
The months with the lowest UV index are January, August, October, November and December (UV index 6).
Average cloud cover in December
San Juan Colorado, Mexico
- Average cloud cover in December: 9
The month with the most cloud cover is September (Cloud cover 37).
The months with the least cloud cover are February and December (Cloud cover 9).
Average visibility in December
San Juan Colorado, 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 Juan Colorado, Mexico
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