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 Juan Guelavía transitions into December recording an average high-temperature of a still agreeable 20.8°C (69.4°F), closely aligning with the preceding month's temperature. San Juan Guelavía registers a pronounced decline from daytime peak temperatures, averaging a frosty 8.5°C (47.3°F) lows in December.Humidity
In San Juan Guelavía, the average relative humidity in December is 75%.Rainfall
The months with the least rainfall are February and December Rain falls for 8.5 days and accumulates 7mm (0.28") of rain.Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:39 am and sunset at 5:51 pm. On the last day of December, in San Juan Guelavía, sunrise is at 6:55 am and sunset at 6:03 pm CST.
Sunshine
The average sunshine in December in San Juan Guelavía is 8.1h.UV index
The months with the lowest UV index in San Juan Guelavía are January, August, October through December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in December suggests the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are the temperatures in San Juan Guelavía in December?
What is the average humidity in December in San Juan Guelavía?
What is the driest month in San Juan Guelavía?
How many days does it rain in December in San Juan Guelavía?
What is the month with the shortest days in San Juan Guelavía?
What is the average length of the day in December in San Juan Guelavía?
What time are sunrise and sunset in December in San Juan Guelavía?
How long on average sun shines in December in San Juan Guelavía?
What is the month with the lowest UV index in San Juan Guelavía?
What is the UV index intensity in December in San Juan Guelavía?
Average temperature in December
San Juan Guelavía, Mexico
- Average high temperature in December: 20.8°C
The warmest month (with the highest average high temperature) is April (26.8°C).
The months with the lowest average high temperature are January and November (20.5°C).
- Average low temperature in December: 8.5°C
The month with the highest average low temperature is June (13.3°C).
The coldest month (with the lowest average low temperature) is January (7.7°C).
Average pressure in December
San Juan Guelavía, Mexico
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is May (1012.9mbar).
Average wind speed in December
San Juan Guelavía, Mexico
- Average wind speed in December: 6.6km/h
The windiest month (with the highest average wind speed) is November (7.3km/h).
The calmest month (with the lowest average wind speed) is June (5.3km/h).
Average humidity in December
San Juan Guelavía, Mexico
- Average humidity in December: 75%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (62%).
Average rainfall in December
San Juan Guelavía, Mexico
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is June (213mm).
The driest months (with the least rainfall) are February and December (7mm).
Average rainfall days in December
San Juan Guelavía, Mexico
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is August (29.6 days).
The month with the least rainy days is February (7.1 days).
Average daylight in December /
Average sunshine in December
San Juan Guelavía, 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 6min).
- Average sunshine in December: 8h and 1min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in December
San Juan Guelavía, Mexico
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is January (15.1 days).
The month with the least sunshine days is September (0.3 days).
Average UV index in December
San Juan Guelavía, Mexico
- Average UV index in December: 4
The months with the highest UV index are February, March, April, May, June, July and September (UV index 5).
The months with the lowest UV index are January, August, October, November and December (UV index 4).
Average cloud cover in December
San Juan Guelavía, Mexico
- Average cloud cover in December: 28
The month with the most cloud cover is September (Cloud cover 54).
The months with the least cloud cover are February, March and April (Cloud cover 21).
Average visibility in December
San Juan Guelavía, Mexico
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April and May (9km).
The months with the lowest visibility are July, August, September and October (7km).
San Juan Guelavía, Mexico
Weather forecast for your location
2. Allow the app to use your location
