December weather forecastLas Cumbres, Panama
December
Weather in December
December brings the lowest average temperature of the year at 29°C (84.2°F), providing a relatively cooler weather experience than the preceding months. Yet, the climate remains warm compared to many other regions. Rainfall lowers substantially, signalling an end to the extended wet spell. The month’s weather conditions set a perfect stage either for sight-seeing or for exploring the natural splendor that the city offers. Despite the cooler ambient, the city maintains constant humidity levels ensuring a comfortably warm December end.Temperature
The average high-temperature during December is a still moderately hot 29°C (84.2°F), almost matching the conditions of the preceding month. Throughout December, a steady low-temperature average of 23.9°C (75°F) is noted.Heat index
The heat index value during December is estimated at a sweltering 36°C (96.8°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The average relative humidity in December is 85%.Rainfall
In Las Cumbres, Panama, during December, the rain falls for 25.3 days and regularly aggregates up to 131mm (5.16") of precipitation. In Las Cumbres, during the entire year, the rain falls for 282 days and collects up to 1912mm (75.28") of precipitation.Daylight
With an average of 11h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:18 and sunset at 17:56. On the last day of December, sunrise is at 06:33 and sunset at 18:10 EST.
Sunshine
The average sunshine in December is 7h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 7 suggests this advice:
Shield from overexposure. Defense against sun-related harm is required. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Las Cumbres, Panama
- Average high temperature in December: 29°C
The warmest months (with the highest average high temperature) are March and April (30.8°C).
The months with the lowest average high temperature are October and November (28.7°C).
- Average low temperature in December: 23.9°C
The month with the highest average low temperature is June (24.9°C).
The coldest months (with the lowest average low temperature) are January and February (23.6°C).
Average pressure in December
Las Cumbres, 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 (1009.6mbar).
Average wind speed in December
Las Cumbres, Panama
- Average wind speed in December: 9.3km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest months (with the lowest average wind speed) are June and September (6.3km/h).
Average humidity in December
Las Cumbres, Panama
- Average humidity in December: 85%
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
Las Cumbres, Panama
- Average rainfall in December: 131mm
The wettest month (with the highest rainfall) is July (273mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in December
Las Cumbres, Panama
- Average rainfall days in December: 25.3 days
The month with the highest number of rainy days is May (29.3 days).
The month with the least rainy days is February (11.6 days).
Average daylight in December /
Average sunshine in December
Las Cumbres, 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 48min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in December
Las Cumbres, Panama
- Average sunshine days in December: 3.1 days
The month with the most sunshine days is January (10.8 days).
The month with the least sunshine days is November (0.8 days).
Average UV index in December
Las Cumbres, Panama
- 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
Las Cumbres, Panama
- Average cloud cover in December: 48
The month with the most cloud cover is July (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 42).
Average visibility in December
Las Cumbres, Panama
- Average visibility in December: 9km
The months with the highest visibility are February, March and April (10km).
The months with the lowest visibility are July and August (8km).





