December weather forecastCerro Largo, Panama

December

Weather in December

The first month of the winter, December, is a tropical month in Cerro Largo, Panama, with an average temperature fluctuating between 21.4°C (70.5°F) and 30.3°C (86.5°F).

Temperature

Cerro Largo's shift into December is marked by a subtle change to a tropical 30.3°C (86.5°F) from November's 29.5°C (85.1°F) in temperature. Cerro Largo encounters an average low-temperature of 21.4°C (70.5°F) during December nights.

Heat index

In December, the average heat index is computed to be an extremely hot 40°C (104°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Cerro Largo, during December, the rain falls for 20.6 days and regularly aggregates up to 121mm (4.76") of precipitation. Throughout the year, there are 269.3 rainfall days, and 2235mm (87.99") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 42min of daylight.
On the first day of the month, sunrise is at 06:21 and sunset at 18:03. On the last day of December, sunrise is at 06:36 and sunset at 18:16 EST.

Sunshine

The average sunshine in December is 8.8h.

UV index

The months with the lowest UV index are July, August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 6 in December leads to these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

December temperatures vary between a high-temperature of 30.3°C (86.5°F) and a low-temperature of 21.4°C (70.5°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in December is computed to be 40°C (104°F).

In December, the average relative humidity is 83%.

In Cerro Largo, in December, it is raining for 20.6 days, with typically 121mm (4.76") of accumulated precipitation.

With an average of 11h and 42min of daylight, December has the shortest days of the year.

The average day length in December is 11h and 41min.

On the first day of December, sunrise is at 06:21 and sunset at 18:03. On the last day of the month, sunrise is at 06:36 and sunset at 18:16 EST.

In Cerro Largo, the average sunshine duration in December is 8.8h.

The months with the lowest UV index are July, August, October through December, with an average maximum UV index of 6.

In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cerro Largo, Panama

  • Average high temperature in December: 30.3°C

The warmest month (with the highest average high temperature) is March (34.6°C).
The month with the lowest average high temperature is October (29.2°C).

  • Average low temperature in December: 21.4°C

The month with the highest average low temperature is April (23.7°C).
The coldest month (with the lowest average low temperature) is January (21.2°C).

Average pressure in December
Cerro Largo, Panama

  • Average pressure in December: 1010.2mbar

The month with the highest atmospheric pressure is January (1010.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).

Average wind speed in December
Cerro Largo, Panama

  • Average wind speed in December: 5.6km/h

The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest months (with the lowest average wind speed) are June and July (4.2km/h).

Average humidity in December
Cerro Largo, Panama

  • Average humidity in December: 83%

The months with the highest relative humidity are July, August, September and October (88%).
The month with the lowest relative humidity is March (65%).

Average rainfall in December
Cerro Largo, Panama

  • Average rainfall in December: 121mm

The wettest month (with the highest rainfall) is August (309mm).
The driest month (with the least rainfall) is February (11mm).

Average rainfall days in December
Cerro Largo, Panama

  • Average rainfall days in December: 20.6 days

The month with the highest number of rainy days is October (31 days).
The month with the least rainy days is February (5.3 days).

Average daylight in December /
Average sunshine in December
Cerro Largo, Panama

  • Average daylight in December: 11h and 42min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in December: 8h and 48min

The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is October (Average sunshine: 6h and 42min).

Average sunshine days in December
Cerro Largo, Panama

  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is February (21.1 days).
The month with the least sunshine days is October (0.1 days).

Average UV index in December
Cerro Largo, Panama

  • Average UV index in December: 6

The months with the highest UV index are January, February, March, April, May, June and September (UV index 7).
The months with the lowest UV index are July, August, October, November and December (UV index 6).

Average cloud cover in December
Cerro Largo, Panama

  • Average cloud cover in December: 35

The month with the most cloud cover is October (Cloud cover 58).
The month with the least cloud cover is February (Cloud cover 18).

Average visibility in December
Cerro Largo, Panama

  • Average visibility in December: 7km

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (6km).