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 snowfall 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
With December's advent, San Diego Alcalá sees an average high-temperature of a still enjoyable 17.5°C (63.5°F), subtly shifted from November's 17.7°C (63.9°F). San Diego Alcalá undergoes a major shift from daytime highs, averaging an icy 4.9°C (40.8°F) during the night in December.Humidity
In San Diego Alcalá, the average relative humidity in December is 65%.Rainfall
The month with the least rainfall is December, when the rain falls for 4.7 days and typically collects 7mm (0.28") of precipitation.Snowfall
January, April through December are months without snowfall in San Diego Alcalá.Daylight
With an average of 11h and 0min of daylight, December has the shortest days of the year in San Diego Alcalá, Mexico.On the first day of the month, sunrise is at 6:56 am and sunset at 5:58 pm. On the last day of December, sunrise is at 7:12 am and sunset at 6:11 pm CST.
Sunshine
In December, the average sunshine is 9.3h.UV index
The average daily maximum UV index in December in San Diego Alcalá, Mexico, is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in December translates into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in San Diego Alcalá?
What is the average humidity in December in San Diego Alcalá?
What is the driest month in San Diego Alcalá?
How many days does it rain in December in San Diego Alcalá?
When it does not snow in San Diego Alcalá?
What is the month with the shortest days in San Diego Alcalá?
What is the average length of the day in December in San Diego Alcalá?
When are sunrise and sunset in December in San Diego Alcalá?
How many hours of sunshine does San Diego Alcalá have in December?
What is the UV index intensity in December in San Diego Alcalá?
Average temperature in December
San Diego Alcalá, Mexico
- Average high temperature in December: 17.5°C
The warmest month (with the highest average high temperature) is April (22.6°C).
The month with the lowest average high temperature is January (16.8°C).
- Average low temperature in December: 4.9°C
The month with the highest average low temperature is May (10.2°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).
Average pressure in December
San Diego Alcalá, Mexico
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is January (1017.9mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).
Average wind speed in December
San Diego Alcalá, Mexico
- Average wind speed in December: 5.7km/h
The windiest month (with the highest average wind speed) is March (7.1km/h).
The calmest month (with the lowest average wind speed) is July (4.6km/h).
Average humidity in December
San Diego Alcalá, Mexico
- Average humidity in December: 65%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (47%).
Average rainfall in December
San Diego Alcalá, Mexico
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is July (275mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in December
San Diego Alcalá, Mexico
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is December (4.7 days).
Average snowfall days in December
San Diego Alcalá, Mexico
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are February and March (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
San Diego Alcalá, 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: 9h and 2min
The month with the most sunshine is March (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 8h and 0min).
Average sunshine days in December
San Diego Alcalá, Mexico
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is December (24.5 days).
The months with the least sunshine days are July and August (0.3 days).
Average UV index in December
San Diego Alcalá, Mexico
- Average UV index in December: 4
The months with the highest UV index are March and April (UV index 5).
The months with the lowest UV index are June, August and September (UV index 3).
Average cloud cover in December
San Diego Alcalá, Mexico
- Average cloud cover in December: 13
The month with the most cloud cover is September (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 12).
Average visibility in December
San Diego Alcalá, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are July, August and September (7km).
