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 Martín Zacatepec indicates an average high-temperature of a still agreeable 21.5°C (70.7°F) in December, matching the previous month's conditions. Despite the drastic temperature difference, San Martín Zacatepec records an average nighttime low of 9.4°C (48.9°F) throughout December.Humidity
In San Martín Zacatepec, the average relative humidity in December is 69%.Rainfall
The month with the least rainfall in San Martín Zacatepec, Mexico, is December, when the rain falls for 4.5 days and typically collects 3mm (0.12") of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 6min of daylight.On the first day of the month, sunrise is at 6:47 am and sunset at 5:55 pm. On the last day of December, in San Martín Zacatepec, Mexico, sunrise is at 7:03 am and sunset at 6:08 pm CST.
Sunshine
In San Martín Zacatepec, the average sunshine in December is 8.5h.UV index
January, June, October through December, with an average maximum UV index of 4, are months with the lowest UV index in San Martín Zacatepec. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 4 in December translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the average December temperature in San Martín Zacatepec?
What is the average humidity in December in San Martín Zacatepec?
What is the driest month in San Martín Zacatepec?
How many days does it rain in December in San Martín Zacatepec?
What is the month with the shortest days in San Martín Zacatepec?
How many hours of daylight does San Martín Zacatepec have in December?
When is the sunrise / sunset in December in San Martín Zacatepec?
How long on average sun shines in December in San Martín Zacatepec?
When is the lowest UV index in San Martín Zacatepec?
What is the UV index reading in December in San Martín Zacatepec?
Average temperature in December
San Martín Zacatepec, Mexico
- Average high temperature in December: 21.5°C
The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is January (21.1°C).
- Average low temperature in December: 9.4°C
The month with the highest average low temperature is May (14.5°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).
Average pressure in December
San Martín Zacatepec, Mexico
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).
Average wind speed in December
San Martín Zacatepec, Mexico
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest months (with the lowest average wind speed) are June and September (6.7km/h).
Average humidity in December
San Martín Zacatepec, Mexico
- Average humidity in December: 69%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (56%).
Average rainfall in December
San Martín Zacatepec, Mexico
- Average rainfall in December: 3mm
The wettest month (with the highest rainfall) is June (164mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in December
San Martín Zacatepec, Mexico
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is September (26.6 days).
The month with the least rainy days is December (4.5 days).
Average daylight in December /
Average sunshine in December
San Martín Zacatepec, Mexico
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 8h and 3min
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 Martín Zacatepec, Mexico
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is December (22.2 days).
The months with the least sunshine days are August and September (2 days).
Average UV index in December
San Martín Zacatepec, Mexico
- Average UV index in December: 4
The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, June, October, November and December (UV index 4).
Average cloud cover in December
San Martín Zacatepec, Mexico
- Average cloud cover in December: 18
The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are February, March and April (Cloud cover 15).
Average visibility in December
San Martín Zacatepec, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is September (8km).
San Martín Zacatepec, Mexico
Weather forecast for your location
2. Allow the app to use your location
