December weather forecastMendoza, Panama

December

Weather in December

The first month of the winter, December, is still a warm month in Mendoza, Panama, with an average temperature fluctuating between 28.7°C (83.7°F) and 23.7°C (74.7°F).

Temperature

The coldest period falls in November and December, when the average high-temperature reaches 28.7°C (83.7°F).

Heat index

In December, the average heat index is calculated to be a torrid 35°C (95°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Mendoza, during December, the rain falls for 29 days and regularly aggregates up to 118mm (4.65") of precipitation. Throughout the year, there are 308.7 rainfall days, and 1598mm (62.91") of precipitation is accumulated.

Daylight

With an average of 11h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:19 and sunset at 17:57. On the last day of the month, sunrise is at 06:34 and sunset at 18:11 EST.

Sunshine

In Mendoza, the average sunshine in December is 7h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 6 during December translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

November and December are characterised by lowest temperatures, with an average high of 28.7°C (83.7°F).

During December, Mendoza experiences an average high-temperature of 28.7°C (83.7°F) and a low-temperature of 23.7°C (74.7°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in December is calculated to be 35°C (95°F).

In December, the average relative humidity is 86%.

In December, the rain falls for 29 days. Throughout December, 118mm (4.65") of precipitation is accumulated.

December has the shortest days of the year, with an average of 11h and 36min of daylight.

In Mendoza, the average day length in December is 11h and 37min.

In December, on the first day of the month, sunrise is at 06:19 and sunset at 17:57. On the last day of the month, sunrise is at 06:34 and sunset at 18:11 EST.

In Mendoza, the average sunshine duration in December is 7h.

December is the month with the lowest UV index, with an average maximum UV index of 6.

In Mendoza, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
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
Mendoza, Panama

  • Average high temperature in December: 28.7°C

The warmest months (with the highest average high temperature) are March and April (30.7°C).
The months with the lowest average high temperature are November and December (28.7°C).

  • Average low temperature in December: 23.7°C

The month with the highest average low temperature is May (24.6°C).
The coldest month (with the lowest average low temperature) is February (23.4°C).

Average pressure in December
Mendoza, Panama

  • Average pressure in December: 1010mbar

The month with the highest atmospheric pressure is March (1011mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

Average wind speed in December
Mendoza, Panama

  • Average wind speed in December: 10.5km/h

The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).

Average humidity in December
Mendoza, Panama

  • Average humidity in December: 86%

The months with the highest relative humidity are July, August and November (87%).
The month with the lowest relative humidity is March (77%).

Average rainfall in December
Mendoza, Panama

  • Average rainfall in December: 118mm

The wettest month (with the highest rainfall) is August (209mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in December
Mendoza, Panama

  • Average rainfall days in December: 29 days

The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is February (15.3 days).

Average daylight in December /
Average sunshine in December
Mendoza, Panama

  • Average daylight in December: 11h and 36min

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 36min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is May (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).

Average sunshine days in December
Mendoza, Panama

  • Average sunshine days in December: 0.5 days

The month with the most sunshine days is March (8.8 days).
The month with the least sunshine days is November (0.3 days).

Average UV index in December
Mendoza, Panama

  • Average UV index in December: 6

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

Average cloud cover in December
Mendoza, Panama

  • Average cloud cover in December: 49

The months with the most cloud cover are July, November and December (Cloud cover 49).
The months with the least cloud cover are February and March (Cloud cover 41).

Average visibility in December
Mendoza, Panama

  • Average visibility in December: 9km

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