December weather forecastSan Jerónimo Ocotitlán, Mexico
December
Weather in December
December, the first month of the winter in San Jerónimo Ocotitlán, is also an enjoyable month, with an average temperature fluctuating between 19.2°C (66.6°F) and 7.4°C (45.3°F).Temperature
The average high-temperature during December registers at a still enjoyable 19.2°C (66.6°F), closely corresponding to the preceding month. December brings San Jerónimo Ocotitlán a consistent average low-temperature of 7.4°C (45.3°F).Humidity
In December, the average relative humidity is 63%.Rainfall
The month with the least rainfall in San Jerónimo Ocotitlán is December, when the rain falls for 4.5 days and typically collects 6mm (0.24") of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 0min of daylight.On the first day of December in San Jerónimo Ocotitlán, Mexico, sunrise is at 6:49 am and sunset at 5:53 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:05 pm CST.
Sunshine
In San Jerónimo Ocotitlán, Mexico, the average sunshine in December is 8.4h.UV index
January, June, August through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a regular UV index of 4 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Jerónimo Ocotitlán, Mexico
- Average high temperature in December: 19.2°C
The warmest month (with the highest average high temperature) is April (23.8°C).
The month with the lowest average high temperature is January (18.4°C).
- Average low temperature in December: 7.4°C
The month with the highest average low temperature is May (12.8°C).
The coldest month (with the lowest average low temperature) is January (6.6°C).
Average pressure in December
San Jerónimo Ocotitlán, Mexico
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is January (1018.8mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).
Average wind speed in December
San Jerónimo Ocotitlán, Mexico
- Average wind speed in December: 8.2km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest months (with the lowest average wind speed) are June and July (6.8km/h).
Average humidity in December
San Jerónimo Ocotitlán, Mexico
- Average humidity in December: 63%
The month with the highest relative humidity is September (82%).
The month with the lowest relative humidity is April (51%).
Average rainfall in December
San Jerónimo Ocotitlán, Mexico
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is September (172mm).
The driest month (with the least rainfall) is December (6mm).
Average rainfall days in December
San Jerónimo Ocotitlán, Mexico
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is August (28.3 days).
The month with the least rainy days is December (4.5 days).
Average daylight in December /
Average sunshine in December
San Jerónimo Ocotitlán, 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: 8h and 24min
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 30min).
Average sunshine days in December
San Jerónimo Ocotitlán, Mexico
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is September (2 days).
Average UV index in December
San Jerónimo Ocotitlán, Mexico
- Average UV index in December: 4
The months with the highest UV index are February, March, April, May and July (UV index 5).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 4).
Average cloud cover in December
San Jerónimo Ocotitlán, Mexico
- Average cloud cover in December: 12
The month with the most cloud cover is September (Cloud cover 41).
The months with the least cloud cover are February and December (Cloud cover 12).
Average visibility in December
San Jerónimo Ocotitlán, 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).





