December weather forecastBernal, Mexico

December

Weather in December

December, the first month of the winter in Bernal, is also an agreeable month, with temperature in the range of an average high of 20.3°C (68.5°F) and an average low of 7.7°C (45.9°F).

Temperature

With the onset of December, a modest change to a still pleasant 20.3°C (68.5°F) from November's 20.4°C (68.7°F) is noted in high-temperature. Bernal registers a prominent dip from daytime highs, with an average of 7.7°C (45.9°F) during the nights of December.

Humidity

The average relative humidity in December in Bernal, Mexico, is 59%.

Rainfall

December is the month with the least rainfall. Rain falls for 2.7 days and accumulates 3mm (0.12") of precipitation.

Daylight

With an average of 10h and 54min of daylight, December has the shortest days of the year in Bernal.
On the first day of the month, sunrise is at 7:00 am and sunset at 5:57 pm. On the last day of December, sunrise is at 7:16 am and sunset at 6:10 pm CST.

Sunshine

In December, the average sunshine in Bernal is 9.2h.

UV index

The months with the lowest UV index are January, August, October through December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 4 in December interprets into the following advice:
Ensure safety - Sun damage prevention is strongly urged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

The average high-temperature and low-temperature in Bernal during December are 20.3°C (68.5°F) and 7.7°C (45.9°F) respectively.

The average relative humidity in December in Bernal, Mexico, is 59%.

The month with the least rainfall is December, when the rain falls for 2.7 days and typically collects 3mm (0.12") of precipitation.

In Bernal, Mexico, in December, during 2.7 rainfall days, 3mm (0.12") of precipitation is typically accumulated.

With an average of 10h and 54min of daylight, December has the shortest days of the year.

In Bernal, Mexico, the average day length in December is 10h and 54min.

On the first day of December in Bernal, Mexico, sunrise is at 7:00 am and sunset at 5:57 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:10 pm CST.

The average sunshine duration in December is 9.2h.

January, August, October through December, with an average maximum UV index of 4, are months with the lowest UV index in Bernal.

In December, the average daily maximum UV index in Bernal is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bernal, Mexico

  • Average high temperature in December: 20.3°C

The warmest months (with the highest average high temperature) are April and May (26.3°C).
The month with the lowest average high temperature is January (19.5°C).

  • Average low temperature in December: 7.7°C

The month with the highest average low temperature is May (13.8°C).
The coldest month (with the lowest average low temperature) is January (7.1°C).

Average pressure in December
Bernal, Mexico

  • Average pressure in December: 1017.8mbar

The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).

Average wind speed in December
Bernal, Mexico

  • Average wind speed in December: 9.1km/h

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).

Average humidity in December
Bernal, Mexico

  • Average humidity in December: 59%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is April (43%).

Average rainfall in December
Bernal, Mexico

  • Average rainfall in December: 3mm

The wettest month (with the highest rainfall) is July (109mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in December
Bernal, Mexico

  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is July (24.2 days).
The month with the least rainy days is December (2.7 days).

Average daylight in December /
Average sunshine in December
Bernal, Mexico

  • Average daylight in December: 10h and 54min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in December: 9h and 12min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is November (Average sunshine: 8h and 12min).

Average sunshine days in December
Bernal, Mexico

  • Average sunshine days in December: 26.3 days

The month with the most sunshine days is December (26.3 days).
The month with the least sunshine days is July (3.2 days).

Average UV index in December
Bernal, Mexico

  • Average UV index in December: 4

The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, August, October, November and December (UV index 4).

Average cloud cover in December
Bernal, Mexico

  • Average cloud cover in December: 13

The months with the most cloud cover are July and September (Cloud cover 44).
The months with the least cloud cover are March, April and December (Cloud cover 13).

Average visibility in December
Bernal, 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 (8km).