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
December
Weather in December
Temperature
The arrival of December is marked by an average high-temperature of a comfortable 19.8°C (67.6°F), bearing a close resemblance to November. In December, San Juan Atzacualoya experiences a significant drop from daily zeniths to an average nighttime temperature of 7.3°C (45.1°F).Humidity
The average relative humidity in December is 59%.Rainfall
December is the month with the least rainfall. Rain falls for 4.3 days and accumulates 5mm (0.2") of precipitation.Daylight
With an average of 11h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:52 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:08 pm CST.
Sunshine
The average sunshine in December in San Juan Atzacualoya is 8.8h.UV index
January, August through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during December translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
San Juan Atzacualoya, Mexico
- Average high temperature in December: 19.8°C
The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is January (19.3°C).
- Average low temperature in December: 7.3°C
The month with the highest average low temperature is May (13°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in December
San Juan Atzacualoya, Mexico
- Average pressure in December: 1017.8mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in December
San Juan Atzacualoya, Mexico
- Average wind speed in December: 6.1km/h
The windiest months (with the highest average wind speed) are March and April (6.8km/h).
The calmest month (with the lowest average wind speed) is July (4.8km/h).
Average humidity in December
San Juan Atzacualoya, Mexico
- Average humidity in December: 59%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is April (43%).
Average rainfall in December
San Juan Atzacualoya, Mexico
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is July (230mm).
The driest month (with the least rainfall) is December (5mm).
Average rainfall days in December
San Juan Atzacualoya, Mexico
- Average rainfall days in December: 4.3 days
The months with the highest number of rainy days are July and August (29.7 days).
The month with the least rainy days is December (4.3 days).
Average daylight in December /
Average sunshine in December
San Juan Atzacualoya, Mexico
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in December
San Juan Atzacualoya, Mexico
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is December (24.9 days).
The months with the least sunshine days are July and August (0.5 days).
Average UV index in December
San Juan Atzacualoya, Mexico
- Average UV index in December: 4
The months with the highest UV index are February, March, April, May, June and July (UV index 5).
The months with the lowest UV index are January, August, September, October, November and December (UV index 4).
Average cloud cover in December
San Juan Atzacualoya, Mexico
- Average cloud cover in December: 10
The months with the most cloud cover are July and September (Cloud cover 37).
The months with the least cloud cover are February and December (Cloud cover 10).
Average visibility in December
San Juan Atzacualoya, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are July, August and September (8km).
