December weather forecastRayón, Mexico

December

Weather in December

The first month of the winter, December, is still a pleasant month in Rayón, Mexico, with an average temperature varying between 22.6°C (72.7°F) and 10.7°C (51.3°F).

Temperature

Rayón indicates an average high-temperature of a still agreeable 22.6°C (72.7°F) in December, showing minor variation from November's 22.9°C (73.2°F). In Rayón, the average nighttime temperature during December is a cool 10.7°C (51.3°F).

Humidity

The average relative humidity in December is 68%.

Rainfall

In Rayón, in December, during 5.4 rainfall days, 10mm (0.39") of precipitation is typically accumulated. In Rayón, during the entire year, the rain falls for 105.9 days and collects up to 288mm (11.34") of precipitation.

Snowfall

In Rayón, snow does not fall in February through December.

Daylight

With an average of 10h and 48min of daylight, December has the shortest days of the year in Rayón.
On the first day of the month, sunrise is at 7:01 am and sunset at 5:54 pm. On the last day of December, sunrise is at 7:17 am and sunset at 6:06 pm CST.

Sunshine

In December, the average sunshine is 7.9h.

UV index

January, February, October through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 5 in December translates into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

Rayón in December has an average high-temperature of 22.6°C (72.7°F) and an average low-temperature of 10.7°C (51.3°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 30°C (86°F).

In Rayón, the average relative humidity in December is 68%.

In Rayón, during December, the rain falls for 5.4 days and regularly aggregates up to 10mm (0.39") of precipitation.

February through December are months without snowfall.

In Rayón, in December, it doesn't snow. In January, it regularly snows.

December has the shortest days of the year, with an average of 10h and 48min of daylight.

In December, the average day length is 10h and 50min.

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 5:54 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:06 pm CST.

In Rayón, the average sunshine duration in December is 7.9h.

January, February, October through December, with an average maximum UV index of 5, are months with the lowest UV index in Rayón.

The average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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 snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rayón, Mexico

  • Average high temperature in December: 22.6°C

The warmest month (with the highest average high temperature) is May (31.6°C).
The month with the lowest average high temperature is January (21.8°C).

  • Average low temperature in December: 10.7°C

The month with the highest average low temperature is May (18°C).
The coldest month (with the lowest average low temperature) is January (9.7°C).

Average pressure in December
Rayón, Mexico

  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is January (1019.3mbar).
The month with the lowest atmospheric pressure is May (1013.4mbar).

Average wind speed in December
Rayón, Mexico

  • Average wind speed in December: 6.7km/h

The windiest month (with the highest average wind speed) is April (10.1km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).

Average humidity in December
Rayón, Mexico

  • Average humidity in December: 68%

The month with the highest relative humidity is September (76%).
The month with the lowest relative humidity is April (55%).

Average rainfall in December
Rayón, Mexico

  • Average rainfall in December: 10mm

The wettest month (with the highest rainfall) is July (47mm).
The driest months (with the least rainfall) are January and March (7mm).

Average rainfall days in December
Rayón, Mexico

  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is September (13.9 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Rayón, Mexico

  • Average snowfall in December: 0mm

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Rayón, Mexico

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

  • Average daylight in December: 10h and 48min

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 48min).

  • Average sunshine in December: 7h and 54min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).

Average sunshine days in December
Rayón, Mexico

  • Average sunshine days in December: 24.4 days

The month with the most sunshine days is January (25 days).
The month with the least sunshine days is September (13.3 days).

Average UV index in December
Rayón, Mexico

  • Average UV index in December: 5

The months with the highest UV index are March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 5).

Average cloud cover in December
Rayón, Mexico

  • Average cloud cover in December: 25

The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is April (Cloud cover 23).

Average visibility in December
Rayón, Mexico

  • Average visibility in December: 9km

The months with the highest visibility are February, March, April and May (10km).
The months with the lowest visibility are September and October (8km).