December weather forecast
Concepcion de Oriente, El Salvador

December

Weather in December

The first month of the winter, December, is also a hot month in Concepcion de Oriente, El Salvador, with an average temperature fluctuating between 31.8°C (89.2°F) and 21.8°C (71.2°F).

Temperature

The transition into December is marked with an average high-temperature of a still tropical 31.8°C (89.2°F), showing an insignificant shift from November's 31.5°C (88.7°F). An average nighttime temperature of 21.8°C (71.2°F) is noted during the month of December.

Heat index

For December, the heat index is calculated to be a torrid 38°C (100.4°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Given the heat index, its values are aligned with shaded sites and gentle winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In Concepcion de Oriente, the average relative humidity in December is 64%.

Rainfall

In Concepcion de Oriente, El Salvador, during December, the rain falls for 3.9 days and regularly aggregates up to 3mm (0.12") of precipitation. Throughout the year, there are 201.6 rainfall days, and 974mm (38.35") of precipitation is accumulated.

Daylight

With an average of 11h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 05:59 and sunset at 17:21. On the last day of December, sunrise is at 06:14 and sunset at 17:34 CST.

Sunshine

The average sunshine in December is 7.8h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

How hot is December?
In December, the average high-temperature and low-temperature are 31.8°C (89.2°F) and 21.8°C (71.2°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in December is calculated to be 38°C (100.4°F).
What is the average humidity in December in Concepcion de Oriente?
In December, the average relative humidity is 64%.
How much does it rain in December?
In Concepcion de Oriente, in December, during 3.9 rainfall days, 3mm (0.12") of precipitation is typically accumulated.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 11h and 18min of daylight.
How many hours of daylight does Concepcion de Oriente have in December?
In December, the average day length is 11h and 20min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 05:59 and sunset at 17:21. On the last day of the month, sunrise is at 06:14 and sunset at 17:34 CST.
How many hours of sunshine does Concepcion de Oriente have in December?
In December, the average sunshine duration in Concepcion de Oriente is 7.8h.
What are the months with the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the month with the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index reading in December?
In December, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Concepcion de Oriente, El Salvador
  • Average high temperature in December: 31.8°C

The warmest month (with the highest average high temperature) is April (34.4°C).
The month with the lowest average high temperature is October (30.6°C).

  • Average low temperature in December: 21.8°C

The month with the highest average low temperature is April (25.8°C).
The coldest months (with the lowest average low temperature) are January and December (21.8°C).

Average pressure in December
Concepcion de Oriente, El Salvador
  • Average pressure in December: 1012.7mbar

The month with the highest atmospheric pressure is January (1013.3mbar).
The month with the lowest atmospheric pressure is October (1011.2mbar).

Average wind speed in December
Concepcion de Oriente, El Salvador
  • Average wind speed in December: 8.9km/h

The windiest month (with the highest average wind speed) is January (9.8km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).

Average humidity in December
Concepcion de Oriente, El Salvador
  • Average humidity in December: 64%

The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is March (56%).

Average rainfall in December
Concepcion de Oriente, El Salvador
  • Average rainfall in December: 3mm

The wettest month (with the highest rainfall) is October (192mm).
The driest month (with the least rainfall) is January (1mm).

Average rainfall days in December
Concepcion de Oriente, El Salvador
  • Average rainfall days in December: 3.9 days

The month with the highest number of rainy days is September (28.3 days).
The month with the least rainy days is January (1.8 days).

Average daylight in December /
Average sunshine in December
Concepcion de Oriente, El Salvador
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in December: 7h and 5min

The month with the most sunshine is April (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 7h and 42min).

Average sunshine days in December
Concepcion de Oriente, El Salvador
  • Average sunshine days in December: 25.9 days

The month with the most sunshine days is January (28.6 days).
The month with the least sunshine days is September (0.6 days).

Average UV index in December
Concepcion de Oriente, El Salvador
  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in December
Concepcion de Oriente, El Salvador
  • Average cloud cover in December: 14

The month with the most cloud cover is October (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 12).

Average visibility in December
Concepcion de Oriente, El Salvador
  • Average visibility in December: 10km

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

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