December weather forecast
San Pedro Ocotlán, Mexico

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Weather in December

The first month of the winter, December, is still a pleasant month in San Pedro Ocotlán, Mexico, with an average temperature varying between 8.5°C (47.3°F) and 22°C (71.6°F).

Temperature

The onset of December notes an average high-temperature of an agreeable 22°C (71.6°F), subtly shifted from November's 23.4°C (74.1°F). San Pedro Ocotlán sees a consistent average low-temperature of 8.5°C (47.3°F) in December, indicating a substantial decrease from the day's temperature.

Humidity

In December, the average relative humidity in San Pedro Ocotlán is 54%.

Rainfall

In San Pedro Ocotlán, in December, it is raining for 4.5 days, with typically 10mm (0.39") of accumulated precipitation. In San Pedro Ocotlán, during the entire year, the rain falls for 137.4 days and collects up to 538mm (21.18") of precipitation.

Daylight

December has the shortest days of the year in San Pedro Ocotlán, Mexico, with an average of 10h and 48min of daylight.
On the first day of December in San Pedro Ocotlán, sunrise is at 7:15 am and sunset at 6:09 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:22 pm CST.

Sunshine

In San Pedro Ocotlán, the average sunshine in December is 9.7h.

UV index

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 4 suggests these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Feb 9, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the average December temperature in San Pedro Ocotlán?

The average high-temperature, in December, in San Pedro Ocotlán, is 22°C (71.6°F), while the average low-temperature is 8.5°C (47.3°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in June is computed to be 30°C (86°F).

What is the average humidity in December in San Pedro Ocotlán?

The average relative humidity in December in San Pedro Ocotlán, Mexico, is 54%.

How many days does it rain in December in San Pedro Ocotlán?

In December, the rain falls for 4.5 days. Throughout December, 10mm (0.39") of precipitation is accumulated.

What is the month with the shortest days in San Pedro Ocotlán?

The month with the shortest days in San Pedro Ocotlán, Mexico, is December, with an average of 10h and 48min of daylight.

What is the average length of the day in December in San Pedro Ocotlán?

The average day length in December is 10h and 51min.

What time are sunrise and sunset in December in San Pedro Ocotlán?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 6:09 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:22 pm CST.

How many hours of sunshine does San Pedro Ocotlán have in December?

In December, the average sunshine duration in San Pedro Ocotlán is 9.7h.

When is the lowest UV index in San Pedro Ocotlán?

The months with the lowest UV index in San Pedro Ocotlán are January, November and December, with an average maximum UV index of 4.

What is the UV index reading in December in San Pedro Ocotlán?

The average daily maximum UV index in December in San Pedro Ocotlán, Mexico, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
San Pedro Ocotlán, Mexico

Average temperature in December - San Pedro Ocotlán, Mexico
  • Average high temperature in December: 22°C

The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (21.8°C).

  • Average low temperature in December: 8.5°C

The month with the highest average low temperature is June (16.7°C).
The coldest month (with the lowest average low temperature) is January (8°C).

Average pressure in December
San Pedro Ocotlán, Mexico

Average pressure in December - San Pedro Ocotlán, Mexico
  • Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.1mbar).

Average wind speed in December
San Pedro Ocotlán, Mexico

Average wind speed in December - San Pedro Ocotlán, Mexico
  • Average wind speed in December: 7km/h

The windiest month (with the highest average wind speed) is April (9.4km/h).
The calmest month (with the lowest average wind speed) is July (5.8km/h).

Average humidity in December
San Pedro Ocotlán, Mexico

Average humidity in December - San Pedro Ocotlán, Mexico
  • Average humidity in December: 54%

The month with the highest relative humidity is September (75%).
The month with the lowest relative humidity is April (30%).

Average rainfall in December
San Pedro Ocotlán, Mexico

Average rainfall in December - San Pedro Ocotlán, Mexico
  • Average rainfall in December: 10mm

The wettest month (with the highest rainfall) is July (136mm).
The driest month (with the least rainfall) is April (2mm).

Average rainfall days in December
San Pedro Ocotlán, Mexico

Average rainfall days in December - San Pedro Ocotlán, Mexico
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is July (25.2 days).
The month with the least rainy days is April (2.4 days).

Average daylight in December /
Average sunshine in December
San Pedro Ocotlán, Mexico

Average daylight in December / Average sunshine in December - San Pedro Ocotlán, Mexico
  • Average daylight in December: 10h and 5min

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: 9h and 4min

The month with the most sunshine is May (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 9h and 0min).

Average sunshine days in December
San Pedro Ocotlán, Mexico

Average sunshine days in December - San Pedro Ocotlán, Mexico
  • Average sunshine days in December: 25.6 days

The month with the most sunshine days is April (26.3 days).
The month with the least sunshine days is August (2.8 days).

Average UV index in December
San Pedro Ocotlán, Mexico

Average UV index in December - San Pedro Ocotlán, Mexico
  • Average UV index in December: 4

The months with the highest UV index are March, April, May and June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).

Average cloud cover in December
San Pedro Ocotlán, Mexico

Average cloud cover in December - San Pedro Ocotlán, Mexico
  • Average cloud cover in December: 13

The months with the most cloud cover are July and September (Cloud cover 35).
The months with the least cloud cover are March and April (Cloud cover 10).

Average visibility in December
San Pedro Ocotlán, Mexico

Average visibility in December - San Pedro Ocotlán, Mexico
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).

San Pedro Ocotlán, Mexico

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