December weather forecastSan Pedro, Mexico
December
Weather in December
The first month of the winter, December, is also an agreeable month in San Pedro, Mexico, with an average temperature fluctuating between 9.4°C (48.9°F) and 21.5°C (70.7°F).Temperature
The dawn of December sees an average high-temperature of a pleasant 21.5°C (70.7°F), subtly contrasting with November's 23.6°C (74.5°F). San Pedro records a pronounced decline from the day's peak to an average nighttime low-temperature of 9.4°C (48.9°F) throughout December.Humidity
In San Pedro, the average relative humidity in December is 43%.Rainfall
In San Pedro, Mexico, in December, it is raining for 2.5 days, with typically 4mm (0.16") of accumulated precipitation. In San Pedro, during the entire year, the rain falls for 64.3 days and collects up to 183mm (7.2") of precipitation.Snowfall
December is the only month when snow falls. December is the month with the most snowfall in San Pedro. Snow falls for 0.1 days and accumulates 3mm (0.12") of snow.Daylight
With an average of 10h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:21 am and sunset at 6:00 pm. On the last day of December, in San Pedro, sunrise is at 7:38 am and sunset at 6:12 pm CST.
Sunshine
The average sunshine in December in San Pedro is 9.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in December translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Pedro, Mexico
- Average high temperature in December: 21.5°C
The warmest month (with the highest average high temperature) is June (33.8°C).
The month with the lowest average high temperature is January (20.8°C).
- Average low temperature in December: 9.4°C
The month with the highest average low temperature is June (22.3°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).
Average pressure in December
San Pedro, Mexico
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1011.4mbar).
Average wind speed in December
San Pedro, Mexico
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is June (11.3km/h).
The calmest month (with the lowest average wind speed) is November (7km/h).
Average humidity in December
San Pedro, Mexico
- Average humidity in December: 43%
The month with the highest relative humidity is September (51%).
The month with the lowest relative humidity is April (24%).
Average rainfall in December
San Pedro, Mexico
- Average rainfall in December: 4mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is February (3mm).
Average rainfall days in December
San Pedro, Mexico
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is September (12 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in December
San Pedro, Mexico
- Average snowfall in December: 3mm
The month with the highest snowfall is December (3mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
San Pedro, Mexico
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
San Pedro, Mexico
- Average daylight in December: 10h and 36min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in December: 9h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is September (Average sunshine: 9h and 24min).
Average sunshine days in December
San Pedro, Mexico
- Average sunshine days in December: 28.5 days
The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is September (15.1 days).
Average UV index in December
San Pedro, Mexico
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
San Pedro, Mexico
- Average cloud cover in December: 13
The month with the most cloud cover is September (Cloud cover 24).
The months with the least cloud cover are April and May (Cloud cover 11).
Average visibility in December
San Pedro, 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).
