December weather forecastSan Alejo, Mexico
December
Weather in December
December, the first month of the winter in San Alejo, is still a warm month, with an average temperature fluctuating between 24.8°C (76.6°F) and 11.9°C (53.4°F).Temperature
December tends to be the coldest month, with temperatures averaging a daily high of 24.8°C (76.6°F) and a low of 11.9°C (53.4°F).Humidity
The average relative humidity in December is 58%.Rainfall
The month with the least rainfall is December, when the rain falls for 4.5 days and typically collects 6mm (0.24") 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 the month, sunrise is at 6:55 am and sunset at 6:00 pm. On the last day of December, in San Alejo, sunrise is at 7:11 am and sunset at 6:12 pm CST.
Sunshine
January, February, April, May and December, with an average of 9.8h of sunshine, are months with the most sunshine.UV index
January, June, August through December, with an average maximum UV index of 5, are months with the lowest UV index in San Alejo. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 5 in December suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Alejo, Mexico
- Average high temperature in December: 24.8°C
The warmest month (with the highest average high temperature) is April (32.1°C).
The month with the lowest average high temperature is December (24.8°C).
- Average low temperature in December: 11.9°C
The month with the highest average low temperature is May (18.3°C).
The coldest month (with the lowest average low temperature) is January (11.6°C).
Average pressure in December
San Alejo, Mexico
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is January (1016.5mbar).
The month with the lowest atmospheric pressure is May (1013.2mbar).
Average wind speed in December
San Alejo, Mexico
- Average wind speed in December: 5.3km/h
The windiest month (with the highest average wind speed) is April (6km/h).
The calmest months (with the lowest average wind speed) are August and September (4.6km/h).
Average humidity in December
San Alejo, Mexico
- Average humidity in December: 58%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (36%).
Average rainfall in December
San Alejo, Mexico
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is June (212mm).
The driest month (with the least rainfall) is December (6mm).
Average rainfall days in December
San Alejo, Mexico
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is August (29 days).
The month with the least rainy days is January (4.2 days).
Average daylight in December /
Average sunshine in December
San Alejo, Mexico
- Average daylight in December: 11h and 0min
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 0min).
- Average sunshine in December: 9h and 48min
The months with the most sunshine are January, February, April, May and December (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 8h and 36min).
Average sunshine days in December
San Alejo, Mexico
- Average sunshine days in December: 25 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is August (0.8 days).
Average UV index in December
San Alejo, Mexico
- Average UV index in December: 5
The months with the highest UV index are February, March, April, May and July (UV index 6).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 5).
Average cloud cover in December
San Alejo, Mexico
- Average cloud cover in December: 11
The month with the most cloud cover is September (Cloud cover 38).
The months with the least cloud cover are February, March, April and December (Cloud cover 11).
Average visibility in December
San Alejo, 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).
