December weather forecastSan Simonito, Mexico
December
Weather in December
The first month of the winter, December, is still a comfortable month in San Simonito, Mexico, with temperature in the range of an average high of 17.6°C (63.7°F) and an average low of 5.4°C (41.7°F).Temperature
The average high-temperature during December registers at a still refreshing 17.6°C (63.7°F), closely corresponding to the preceding month. San Simonito observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 5.4°C (41.7°F) throughout the month of December.Humidity
The average relative humidity in December in San Simonito is 65%.Rainfall
The month with the least rainfall is December, when the rain falls for 6.1 days and typically collects 8mm (0.31") of precipitation.Daylight
December has the shortest days of the year in San Simonito, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 5:59 pm. On the last day of December, sunrise is at 7:11 am and sunset at 6:11 pm CST.
Sunshine
In San Simonito, the average sunshine in December is 9.3h.UV index
In San Simonito, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. 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 Simonito, Mexico
- Average high temperature in December: 17.6°C
The warmest month (with the highest average high temperature) is April (22.8°C).
The month with the lowest average high temperature is January (17.2°C).
- Average low temperature in December: 5.4°C
The month with the highest average low temperature is May (10.8°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).
Average pressure in December
San Simonito, Mexico
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.7mbar).
Average wind speed in December
San Simonito, Mexico
- Average wind speed in December: 5.6km/h
The windiest months (with the highest average wind speed) are March and April (6.8km/h).
The calmest month (with the lowest average wind speed) is July (4.4km/h).
Average humidity in December
San Simonito, 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 Simonito, Mexico
- Average rainfall in December: 8mm
The wettest month (with the highest rainfall) is July (301mm).
The driest month (with the least rainfall) is December (8mm).
Average rainfall days in December
San Simonito, Mexico
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is August (30.8 days).
The month with the least rainy days is January (5.8 days).
Average daylight in December /
Average sunshine in December
San Simonito, 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 18min
The month with the most sunshine is March (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 8h and 6min).
Average sunshine days in December
San Simonito, Mexico
- Average sunshine days in December: 21.6 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in December
San Simonito, 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 September and October (UV index 3).
Average cloud cover in December
San Simonito, Mexico
- Average cloud cover in December: 13
The month with the most cloud cover is September (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 12).
Average visibility in December
San Simonito, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May and December (10km).
The month with the lowest visibility is September (7km).
